{"title":"SIG Sauer ROMEO5 Red Dot Sights","description":"\u003cp\u003eThe \u003cstrong\u003eSIG ROMEO5 Gen II\u003c\/strong\u003e is the go-to compact rifle red dot: a 20mm tube, MOTAC motion-activated power, long runtime and a co-witness mount in the box. \u003cstrong\u003eROMEO5XDR\u003c\/strong\u003e adds the ballistic circle-dot reticle, and the Elite version ships on a 1.41-inch absolute co-witness mount. Magnifier combo kits are included here too.\u003c\/p\u003e\u003cp\u003eRead the \u003ca href=\"\/blogs\/news\/sig-sauer-optics-guide\"\u003eSIG Sauer optics guide\u003c\/a\u003e or learn \u003ca href=\"\/blogs\/news\/how-to-co-witness-red-dot-iron-sights\"\u003ehow to co-witness with iron sights\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sig-sauer-romeo5-gen-ii-red-dot-sight-juliet3-micro-magnifier-combo-sorj5101","title":"SIG SAUER ROMEO5 Gen II Red Dot Sight \u0026 JULIET3-Micro Magnifier Combo – SORJ5101","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5 Gen II Red Dot Sight\u003c\/strong\u003e and the compact JULIET3-Micro 3x magnifier, boxed together as a ready-made close-and-distance setup. The ROMEO5 does the fast, both-eyes-open work at 1x; flip the Micro in behind it for 3x when you need to identify something further out, and swing it aside again when you don't.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003eWant more magnification and a circle-dot reticle? See the \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-juliet5-micro-magnifier-combo-sorj5x201\"\u003eROMEO5XDR + JULIET5 combo\u003c\/a\u003e. Just the sight? The \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101\"\u003eROMEO5 Gen II\u003c\/a\u003e. Browse more \u003ca href=\"\/collections\/red-dot-magnifier-combos\"\u003ered dot \u0026amp; magnifier combos\u003c\/a\u003e, and read \u003ca href=\"\/blogs\/news\/choosing-a-red-dot-magnifier\"\u003echoosing a red dot magnifier\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding a 1x-and-3x rifle in one purchase\u003c\/li\u003e\n\u003cli\u003eAR-15 and carbine builds\u003c\/li\u003e\n\u003cli\u003eShort rails, where the Micro's smaller body helps\u003c\/li\u003e\n\u003cli\u003eShooters who want the mounts included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSight:\u003c\/strong\u003e SIG ROMEO5 Gen II — 2 MOA red dot, 1x20 mm, MOTAC, side-loading CR2032 (~40,000 hr), IPX7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnifier:\u003c\/strong\u003e SIG JULIET3-Micro — 3x, push-button flip-to-side mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SORJ5101 \/ MPN SORJ5101 \/ UPC 798681699407\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the magnifier work?\u003c\/strong\u003e\u003cbr\u003eIt sits behind the sight for 3x and flips to the side when you want 1x — no need to take anything off the rail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ROMEO5 include mounts?\u003c\/strong\u003e\u003cbr\u003eYes — a low mount and a co-witness riser come with the sight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy the Micro rather than the full-size JULIET3?\u003c\/strong\u003e\u003cbr\u003eIt is the smaller, lighter 3x, which matters when rail space behind the optic is tight.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965487325448,"sku":"SORJ5101","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5-gen-ii-red-dot-sight-juliet3-micro-magnifier-combo-sorj5101-red-dot-sight-sig-sauer-181154.jpg?v=1780981838"},{"product_id":"sig-sauer-romeo5-gen-ii-green-dot-sight-2-moa-dot-sor5102","title":"SIG Sauer ROMEO5 Gen II Green Dot Sight 2 MOA Dot – SOR5102","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5 Gen II Green Dot Sight\u003c\/strong\u003e is the Gen II with a green emitter behind the same \u003cstrong\u003e2 MOA\u003c\/strong\u003e reticle. Against foliage or a bright backstop, green is what some shooters catch first; everything else is standard Gen II — a side-loading CR2032 you can change on the gun, MOTAC motion activation and around 40,000 hours of runtime.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003ePrefer a red dot? See the \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101\"\u003eROMEO5 Gen II (red)\u003c\/a\u003e. Want a ballistic circle-dot? The \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201\"\u003eROMEO5XDR\u003c\/a\u003e. Browse more \u003ca href=\"\/collections\/green-dot-sights\"\u003egreen optics\u003c\/a\u003e, \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e and the \u003ca href=\"\/collections\/sig-sauer-optics\"\u003eSIG Sauer range\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShooters who lose a red dot against green backgrounds\u003c\/li\u003e\n\u003cli\u003eAR-15 and carbine builds\u003c\/li\u003e\n\u003cli\u003eBoth-eyes-open shooting at close range\u003c\/li\u003e\n\u003cli\u003eA base optic to pair with a JULIET magnifier later\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 MOA green dot in a 1x20 mm tube\u003c\/li\u003e\n\u003cli\u003eMOTAC motion activation; around 40,000 hours\u003c\/li\u003e\n\u003cli\u003eSide-loading CR2032 — no re-zero\u003c\/li\u003e\n\u003cli\u003e10 daylight and 2 night-vision settings; 0.5 MOA clicks\u003c\/li\u003e\n\u003cli\u003eIPX7 waterproof and fog-proof; low mount and co-witness riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SOR5102 \/ MPN SOR5102 \/ UPC 798681694617\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e 2 MOA green dot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1x, parallax-free, unlimited eye relief\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective:\u003c\/strong\u003e 1x20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness settings:\u003c\/strong\u003e 10 daylight + 2 night-vision, MOTAC motion activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindage \/ elevation per click:\u003c\/strong\u003e 0.5 MOA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 1 × CR2032, side-loading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery life:\u003c\/strong\u003e ~40,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IPX7, fog-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Picatinny — low mount and co-witness riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIG Sauer ROMEO5 Gen II green dot sight\u003c\/li\u003e\n\u003cli\u003eLow mount and co-witness riser\u003c\/li\u003e\n\u003cli\u003eCR2032 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRed or green?\u003c\/strong\u003e\u003cbr\u003eGreen can be easier to see in daylight for some shooters. The reticle size, runtime, mounts and housing are identical to the red version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to buy a mount?\u003c\/strong\u003e\u003cbr\u003eNo — a low mount and a co-witness riser are included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will the battery last?\u003c\/strong\u003e\u003cbr\u003eAround 40,000 hours from one side-loading CR2032, with MOTAC shutting the dot down when the rifle is idle.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965487358216,"sku":"SOR5102","price":229.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5-gen-ii-green-dot-sight-2-moa-dot-sor5102-green-dot-sight-sig-sauer-466689.jpg?v=1780982951"},{"product_id":"sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101","title":"SIG Sauer ROMEO5 Gen II Red Dot Sight 2 MOA Dot – SOR5101","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5 Gen II Red Dot Sight\u003c\/strong\u003e makes its biggest change where it counts day to day: the battery. The CR2032 loads from a \u003cstrong\u003eside tray\u003c\/strong\u003e, so it changes on the gun with no re-zero, and MOTAC wakes the \u003cstrong\u003e2 MOA dot\u003c\/strong\u003e when the rifle moves and shuts it off when it does not — around 40,000 hours from one cell.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003ePrefer a green dot? See the \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-green-dot-sight-2-moa-dot-sor5102\"\u003eROMEO5 Gen II Green\u003c\/a\u003e. Want a ballistic circle-dot and a AAA battery? The \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201\"\u003eROMEO5XDR\u003c\/a\u003e. Want magnification in the box? The \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-juliet3-micro-magnifier-combo-sorj5101\"\u003eROMEO5 + JULIET3 combo\u003c\/a\u003e. Browse more \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e and read \u003ca href=\"\/blogs\/news\/how-to-zero-a-red-dot-sight\"\u003ehow to zero a red dot sight\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFirst red dot on an AR-15 or carbine\u003c\/li\u003e\n\u003cli\u003eShooters who want mounts in the box rather than as an extra\u003c\/li\u003e\n\u003cli\u003eBoth-eyes-open shooting at close range\u003c\/li\u003e\n\u003cli\u003eA base optic to pair with a JULIET magnifier later\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 MOA red dot in a 1x20 mm tube\u003c\/li\u003e\n\u003cli\u003eMOTAC motion activation; around 40,000 hours\u003c\/li\u003e\n\u003cli\u003eSide-loading CR2032 — no re-zero\u003c\/li\u003e\n\u003cli\u003e10 daylight and 2 night-vision settings; 0.5 MOA clicks\u003c\/li\u003e\n\u003cli\u003eIPX7 waterproof and fog-proof; low mount and co-witness riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SOR5101 \/ MPN SOR5101 \/ UPC 798681694600\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e 2 MOA red dot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1x, parallax-free, unlimited eye relief\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective:\u003c\/strong\u003e 1x20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness settings:\u003c\/strong\u003e 10 daylight + 2 night-vision, MOTAC motion activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindage \/ elevation per click:\u003c\/strong\u003e 0.5 MOA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 1 × CR2032, side-loading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery life:\u003c\/strong\u003e ~40,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IPX7, fog-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Picatinny — low mount and co-witness riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIG Sauer ROMEO5 Gen II red dot sight\u003c\/li\u003e\n\u003cli\u003eLow mount and co-witness riser\u003c\/li\u003e\n\u003cli\u003eCR2032 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to buy a mount?\u003c\/strong\u003e\u003cbr\u003eNo — a low Picatinny mount and a co-witness riser are both in the box.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is MOTAC?\u003c\/strong\u003e\u003cbr\u003eSIG's motion-activated illumination. The dot powers up when the optic senses movement and powers down when it is left alone, which is how the CR2032 reaches around 40,000 hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the battery change knock my zero?\u003c\/strong\u003e\u003cbr\u003eIt should not — the CR2032 slides in from the side with the optic still mounted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGen II or ROMEO5XDR?\u003c\/strong\u003e\u003cbr\u003eThe Gen II keeps things simple with a 2 MOA dot on a CR2032 coin cell. The XDR adds a selectable circle around the dot and runs a AAA battery.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965487522056,"sku":"SOR5101","price":229.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101-red-dot-sight-sig-sauer-686666.jpg?v=1780982988"},{"product_id":"sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201","title":"SIG Sauer ROMEO5XDR Gen II Red Dot Sight Circle Dot – SOR5X201","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5XDR Gen II Red Dot Sight\u003c\/strong\u003e takes the ROMEO5 tube in a different direction: a \u003cstrong\u003e2 MOA dot with a selectable 65 MOA circle\u003c\/strong\u003e around it, and a single \u003cstrong\u003eAAA\u003c\/strong\u003e loaded below the objective lens rather than a coin cell. That AAA is good for around 50,000 hours, and the circle can be switched off when you want a clean dot.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003ePrefer a simple 2 MOA dot? See the \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101\"\u003eROMEO5 Gen II\u003c\/a\u003e. Want four selectable reticles and a co-witness mount? The \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-elite-red-dot-sight-sor5105\"\u003eROMEO5 Gen II Elite\u003c\/a\u003e. Add reach with the \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-juliet5-micro-magnifier-combo-sorj5x201\"\u003eJULIET5 combo\u003c\/a\u003e, and browse more \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShooters who want a ring for speed and a dot for precision\u003c\/li\u003e\n\u003cli\u003eRifles that see both close and longer-range work\u003c\/li\u003e\n\u003cli\u003eAnyone who would rather carry AAA batteries than coin cells\u003c\/li\u003e\n\u003cli\u003eAR-15 and carbine builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 MOA dot with a selectable 65 MOA circle\u003c\/li\u003e\n\u003cli\u003e1 × AAA, loaded below the objective lens\u003c\/li\u003e\n\u003cli\u003eMOTAC motion activation; around 50,000 hours\u003c\/li\u003e\n\u003cli\u003e10 daylight and 2 night-vision settings; 1 MOA clicks\u003c\/li\u003e\n\u003cli\u003eIPX7 waterproof and fog-proof; low mount and riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SOR5X201 \/ MPN SOR5X201 \/ UPC 798681684274\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e 2 MOA dot with selectable 65 MOA circle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1x, parallax-free, unlimited eye relief\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective:\u003c\/strong\u003e 1x20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness settings:\u003c\/strong\u003e 10 daylight + 2 night-vision, MOTAC motion activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindage \/ elevation per click:\u003c\/strong\u003e 1 MOA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 1 × AAA, loaded below the objective\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery life:\u003c\/strong\u003e ~50,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IPX7, fog-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Picatinny — low mount and co-witness riser included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIG Sauer ROMEO5XDR Gen II red dot sight\u003c\/li\u003e\n\u003cli\u003eLow mount and co-witness riser\u003c\/li\u003e\n\u003cli\u003eAAA battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the 65 MOA circle do?\u003c\/strong\u003e\u003cbr\u003eIt gives your eye a large shape to catch close in. It is selectable, so you can drop back to the bare 2 MOA dot when you want the window clear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere does the battery go?\u003c\/strong\u003e\u003cbr\u003eA single AAA loads below the objective lens — not a side tray, and not a coin cell.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eXDR or standard Gen II?\u003c\/strong\u003e\u003cbr\u003eThe XDR adds the selectable circle and runs a AAA for around 50,000 hours; the Gen II is a plain 2 MOA dot on a coin cell.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with mounts?\u003c\/strong\u003e\u003cbr\u003eYes — a low mount and a co-witness riser are included.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965487554824,"sku":"SOR5X201","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201-red-dot-sight-sig-sauer-396059.jpg?v=1780983772"},{"product_id":"sig-sauer-romeo5xdr-gen-ii-red-dot-sight-juliet5-micro-magnifier-combo-sorj5x201","title":"SIG SAUER ROMEO5XDR Gen II Red Dot Sight \u0026 JULIET5-Micro Magnifier Combo – SORJ5X201","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5XDR Gen II Red Dot Sight\u003c\/strong\u003e comes here paired with the JULIET5-Micro 5x magnifier — the longest-reaching combination in the ROMEO5 range. The XDR's ballistic circle-dot handles the close work at 1x; flip the 5x in behind it and the same rifle will identify targets well past where a 3x runs out of detail.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003ePrefer a 3x magnifier and a simple dot? See the \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-juliet3-micro-magnifier-combo-sorj5101\"\u003eROMEO5 + JULIET3 combo\u003c\/a\u003e. Just the sight? The \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201\"\u003eROMEO5XDR\u003c\/a\u003e. Browse more \u003ca href=\"\/collections\/red-dot-magnifier-combos\"\u003ered dot \u0026amp; magnifier combos\u003c\/a\u003e, and read \u003ca href=\"\/blogs\/news\/choosing-a-red-dot-magnifier\"\u003echoosing a red dot magnifier\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRifles that need to work close in and well out\u003c\/li\u003e\n\u003cli\u003eHoldover shooting behind the ballistic circle-dot\u003c\/li\u003e\n\u003cli\u003eTarget identification at 5x\u003c\/li\u003e\n\u003cli\u003eAR-15 and carbine builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSight:\u003c\/strong\u003e SIG ROMEO5XDR Gen II — ballistic circle-dot, 1x20 mm, MOTAC, AAA (~50,000 hr), IPX7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnifier:\u003c\/strong\u003e SIG JULIET5-Micro — 5x, flip-to-side mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SORJ5X201 \/ MPN SORJ5X201 \/ UPC 798681684458\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy 5x rather than 3x?\u003c\/strong\u003e\u003cbr\u003eThe extra magnification reaches further for target identification. The trade is a narrower field of view than a 3x gives you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the magnifier deploy?\u003c\/strong\u003e\u003cbr\u003eIt flips in behind the sight for 5x and swings aside for 1x.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat powers the sight?\u003c\/strong\u003e\u003cbr\u003eA single AAA, good for around 50,000 hours with MOTAC.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965487685896,"sku":"SORJ5X201","price":519.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-juliet5-micro-magnifier-combo-sorj5x201-red-dot-sight-sig-sauer-364737.jpg?v=1780981418"},{"product_id":"sig-sauer-romeo5-gen-ii-elite-red-dot-sight-sor5105","title":"SIG Sauer ROMEO5 Gen II Elite Red Dot Sight 1x20mm Quad Ballistic Circle Dot 2.0 Reticle, 1.41\" Absolute Co-Witness Mount, Black – SOR5105","description":"\u003cp\u003e\u003cstrong\u003eSIG Sauer ROMEO5 Gen II Elite Red Dot Sight\u003c\/strong\u003e is the Gen II with two upgrades that matter: the \u003cstrong\u003eQuad Ballistic Circle Dot 2.0\u003c\/strong\u003e reticle, giving four selectable aiming options instead of one dot, and a \u003cstrong\u003e1.41 in mount\u003c\/strong\u003e in the box that puts the optic at absolute co-witness height with standard AR iron sights straight away.\u003c\/p\u003e\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003eWant a simple 2 MOA dot? See the \u003ca href=\"\/products\/sig-sauer-romeo5-gen-ii-red-dot-sight-2-moa-dot-sor5101\"\u003eROMEO5 Gen II\u003c\/a\u003e. A single ballistic circle-dot on a AAA? The \u003ca href=\"\/products\/sig-sauer-romeo5xdr-gen-ii-red-dot-sight-circle-dot-sor5x201\"\u003eROMEO5XDR\u003c\/a\u003e. Browse more \u003ca href=\"\/collections\/rifle-dot-sights\"\u003erifle dot sights\u003c\/a\u003e and read \u003ca href=\"\/blogs\/news\/how-to-co-witness-red-dot-iron-sights\"\u003ehow to co-witness with iron sights\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAR-15 builds that want absolute co-witness out of the box\u003c\/li\u003e\n\u003cli\u003eShooters who switch between a dot, a circle-dot and holdovers\u003c\/li\u003e\n\u003cli\u003eCarbines paired with a JULIET magnifier\u003c\/li\u003e\n\u003cli\u003eOne optic covering close work and holdover shooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuad Ballistic Circle Dot 2.0 — four selectable reticles\u003c\/li\u003e\n\u003cli\u003e1.41 in absolute co-witness Picatinny mount included\u003c\/li\u003e\n\u003cli\u003eMOTAC motion activation; around 40,000 hours\u003c\/li\u003e\n\u003cli\u003eSide-loading CR2032 — no re-zero\u003c\/li\u003e\n\u003cli\u003e10 daylight and 2 night-vision settings; IPX7, fog-proof\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN \/ UPC:\u003c\/strong\u003e SKU SOR5105 \/ MPN SOR5105 \/ UPC 798681696994\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReticle:\u003c\/strong\u003e Quad Ballistic Circle Dot 2.0 (four selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification:\u003c\/strong\u003e 1x, parallax-free, unlimited eye relief\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective:\u003c\/strong\u003e 1x20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness settings:\u003c\/strong\u003e 10 daylight + 2 night-vision, MOTAC motion activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindage \/ elevation per click:\u003c\/strong\u003e 0.5 MOA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 1 × CR2032, side-loading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery life:\u003c\/strong\u003e ~40,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IPX7, fog-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e 1.41 in absolute co-witness Picatinny mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIG Sauer ROMEO5 Gen II Elite red dot sight\u003c\/li\u003e\n\u003cli\u003e1.41 in absolute co-witness mount\u003c\/li\u003e\n\u003cli\u003eCR2032 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Quad reticle give me?\u003c\/strong\u003e\u003cbr\u003eFour selectable aiming options in one optic — a dot, a circle-dot and ballistic holds — so you change the reticle rather than the sight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the 1.41 in mount for?\u003c\/strong\u003e\u003cbr\u003eIt sets the optic at absolute co-witness height with standard AR iron sights, so the irons and the dot line up through the same window.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElite or standard Gen II?\u003c\/strong\u003e\u003cbr\u003eThe Elite adds the four-option reticle and the 1.41 in mount; the standard Gen II is a single 2 MOA dot with a low mount and riser.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat battery does it take?\u003c\/strong\u003e\u003cbr\u003eOne CR2032, loaded from the side, good for around 40,000 hours with MOTAC.\u003c\/p\u003e\n\u003ch3\u003eWhy buy from Red Dot Sight UK\u003c\/h3\u003e\n\u003cp\u003eA UK specialist in red dot sights, holographic sights and magnifiers from Trijicon, EOTech, Holosun and SIG Sauer — genuine optics, secure checkout and UK-based support.\u003c\/p\u003e","brand":"SIG Sauer","offers":[{"title":"Default Title","offer_id":57965489291528,"sku":"SOR5105","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/files\/sig-sauer-romeo5-gen-ii-elite-red-dot-sight-1x20mm-quad-ballistic-circle-dot-20-reticle-141-absolute-co-witness-mount-black-sor5105-red-dot-sight-sig-sauer-330832.jpg?v=1780982229"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/7777\/2808\/collections\/hf_20260726_234148_9fcef63f-cd0d-44fc-af49-9a4295eea7e0.png?v=1785109402","url":"https:\/\/reddotsight.co.uk\/collections\/sig-romeo5-optics.oembed","provider":"Red Dot Sight UK","version":"1.0","type":"link"}