{"product_id":"sightmark-sm39005-rifle-boresight-red-laser-243-308-win-7-62x51mm-nato-brass-chamber-mount","title":"Sightmark SM39005 Rifle Boresight Red Laser 243\/308 Win \u0026 7.62x51mm NATO Brass Chamber Mount","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSightmark SM39005\u003c\/span\u003e\u003c\/strong\u003e is a chamber-mounted \u003cstrong\u003ered laser boresighter\u003c\/strong\u003e machined from \u003cstrong\u003ebrass\u003c\/strong\u003e to fit rifle chambers in \u003cstrong\u003e243 Win\u003c\/strong\u003e, \u003cstrong\u003e308 Win\u003c\/strong\u003e, and \u003cstrong\u003e7.62x51mm NATO\u003c\/strong\u003e. Drop it into the action like a live cartridge and the projected red laser dot shows exactly where the bore is pointing, allowing fast optic and iron-sight zeroing without firing a shot.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eOperating on a visible red laser with a wavelength of \u003cstrong\u003e632-650nM\u003c\/strong\u003e, this compact sighting tool runs on the included \u003cstrong\u003eAG3 battery pack\u003c\/strong\u003e for dependable, repeatable use in the shop or at the range. The \u003cstrong\u003ebrass housing\u003c\/strong\u003e is corrosion-resistant and seats cleanly in the chamber for accurate alignment, while the chamber-mounted design makes it simple to confirm that a scope, red dot, or iron sight is tracking correctly before live fire.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe SM39005 ships complete with the \u003cstrong\u003ebattery pack\u003c\/strong\u003e and a \u003cstrong\u003ecarrying case\u003c\/strong\u003e to keep the boresighter protected between sighting sessions. It is a straightforward, reliable way to speed up scope mounting on hunting, precision, and tactical rifles chambered in 243 Win, 308 Win, or 7.62x51mm NATO.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sightmark","offers":[{"title":"Default Title","offer_id":55100116173122,"sku":"8144","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_f9545928-6f7d-4391-a88e-bbed4da9f522.png?v=1784789645","url":"https:\/\/centerfiresystems.com\/products\/sightmark-sm39005-rifle-boresight-red-laser-243-308-win-7-62x51mm-nato-brass-chamber-mount","provider":"Centerfire Systems","version":"1.0","type":"link"}