{"product_id":"sightmark-sm39006-boresight-300-win-mag-red-laser-brass","title":"Sightmark SM39006 Boresight 300 Win Mag Red Laser - Brass","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSightmark SM39006\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e300 Winchester Magnum\u003c\/span\u003e\u003c\/strong\u003e in-chamber laser boresighter designed to get your riflescope or red dot sighted in fast without burning through a full box of ammunition. Constructed of \u003cstrong\u003edurable brass\u003c\/strong\u003e and \u003cstrong\u003epre-calibrated\u003c\/strong\u003e at the factory for the 300 Win Mag chamber, this compact boresighter drops into the rifle's action and projects a visible \u003cstrong\u003ered laser\u003c\/strong\u003e downrange so you can dial in your optic's windage and elevation before you head to the range.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe laser operates at a \u003cstrong\u003e632-650 nm wavelength\u003c\/strong\u003e with an output under \u003cstrong\u003e5 mW\u003c\/strong\u003e, delivering a bright, easy-to-see reference point for your optic at typical indoor and outdoor sighting distances. The \u003cstrong\u003ebrass housing\u003c\/strong\u003e is compact and lightweight, slips into the included \u003cstrong\u003ecarrying case\u003c\/strong\u003e, and the unit is powered by three \u003cstrong\u003eAG3 button-cell batteries\u003c\/strong\u003e (included) for approximately an hour of sighting time. Using a boresighter like the SM39006 dramatically \u003cstrong\u003ereduces wasted ammunition\u003c\/strong\u003e by getting you close to zero before you fire a single round.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis boresighter is purpose-built for the \u003cstrong\u003e300 Win Mag\u003c\/strong\u003e cartridge and is not a universal fit. Whether you are sighting in a new hunting rifle, swapping optics between rifles, or dialing in a long-range scope, the Sightmark SM39006 is a fast, simple zeroing tool for the 300 Win Mag shooter.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sightmark","offers":[{"title":"Default Title","offer_id":54991694889282,"sku":"35059","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_1b433941-52d6-41d4-9d70-040d8c4c6aa4.png?v=1784222157","url":"https:\/\/centerfiresystems.com\/products\/sightmark-sm39006-boresight-300-win-mag-red-laser-brass","provider":"Centerfire Systems","version":"1.0","type":"link"}