{"product_id":"sig-sauer-electro-optics-sierra4-bdx-4-16x44mm-30mm-tube-illuminated-bdx-r2-riflescope","title":"Sig Sauer Electro-Optics Sierra4 BDX 4-16x44mm 30mm Tube Illuminated BDX-R2 Riflescope","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSig Sauer Sierra4 BDX\u003c\/span\u003e\u003c\/strong\u003e is a feature-packed \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e4-16x44mm\u003c\/span\u003e\u003c\/strong\u003e riflescope built around a \u003cstrong\u003e30mm\u003c\/strong\u003e main tube and a digital focal plane, designed to simplify long-range shooting by pairing with BDX-equipped laser rangefinders to deliver an illuminated holdover dot for the exact distance to your target.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the heart of the optic is the illuminated \u003cstrong\u003eBDX-R2 Ballistoc reticle\u003c\/strong\u003e, which uses \u003cstrong\u003e194 LED hold points\u003c\/strong\u003e to project a precise aiming reference once the scope is bonded to a KILO-series rangefinder. Sig Sauer's \u003cstrong\u003eBDX 2.0\u003c\/strong\u003e system uses the \u003cstrong\u003eQUICKbond\u003c\/strong\u003e feature to rapidly link the riflescope to a BDX rangefinder over \u003cstrong\u003eBluetooth\u003c\/strong\u003e, then automatically accounts for your cartridge's ballistics, environmental conditions, and the measured range to display the correct hold without dialing.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe scope offers a wide magnification range from \u003cstrong\u003e4-16x\u003c\/strong\u003e with a \u003cstrong\u003e44mm\u003c\/strong\u003e objective, and the field of view runs \u003cstrong\u003e0.80 to 3.30 ft at 100 yds\u003c\/strong\u003e depending on magnification. Eye relief is \u003cstrong\u003e3.24\" at the low end of the range and 2.44\" at high power\u003c\/strong\u003e, giving a comfortable sight picture across the entire magnification range. The rugged \u003cstrong\u003ematte black\u003c\/strong\u003e housing sits on the proven \u003cstrong\u003e30mm tube\u003c\/strong\u003e for generous internal adjustment travel, and the scope is built to handle real field conditions.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWeighing in at \u003cstrong\u003e22.70 oz\u003c\/strong\u003e, the Sierra4 BDX is a smart choice for hunters and precision shooters who want an automatically illuminated hold point at distance without manually dialing elevation. It ships ready to mount to standard \u003cstrong\u003e30mm rings\u003c\/strong\u003e and is fully compatible with the broader Sig Sauer BDX ecosystem of rangefinders, ballistic apps, and KILO lasers.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sig Sauer Electro-Optics","offers":[{"title":"Default Title","offer_id":55054087946562,"sku":"184812","price":639.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_84dbf34f-27f1-4dfa-a467-26ae2e8421ca.png?v=1784720102","url":"https:\/\/centerfiresystems.com\/products\/sig-sauer-electro-optics-sierra4-bdx-4-16x44mm-30mm-tube-illuminated-bdx-r2-riflescope","provider":"Centerfire Systems","version":"1.0","type":"link"}