--- title: "Sightmark Boresight Cartridge Red Laser" description: "Boresight cartridge for 7mm, .338, or .264 rifles with a visible red laser. Includes a carrying case, three AG3 batteries, and instructions." canonical_url: "https://www.kygunco.com/product/sightmark-sm39004-laser-boresighter-cartridge-7mm-338-264" meta: author: KYGUNCO "og:description": "Boresight cartridge for 7mm, .338, or .264 rifles with a visible red laser. Includes a carrying case, three AG3 batteries, and instructions." "og:image": "https://cdn.kygunco.com/assets/products/34/thumbnail.jpg?v=1713457136" "og:image:height": "500" "og:image:width": "500" "og:title": "Sightmark Boresight Cartridge Red Laser" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Optics](https://www.kygunco.com/category/optics) / [Scope Caps & Accessories](https://www.kygunco.com/category/optics/scope-caps-and-accessories) / SGH-SM39004 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/34/main.jpg?v=1713457136) For illustration purposes only, this image may not be an exact representation of the product. # SIGHTMARK Boresight 7mm 336 264 Sightmark Laser Boresight Cartridge for 7mm, .338, or .264 rifles. Chambers like a cartridge and projects a visible red laser dot to help align sights or scope. Includes a carrying case, three AG3 batteries, and instructions. $35.97 ** 4 interest-free payments of **$8.99** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Item # 34 Style SGH-SM39004 UPC 810119010032 Condition New Manufacturer [Sightmark](https://www.kygunco.com/brand/sightmark) Weight 1 lb ### Sightmark Laser Boresighter Cartridge 7mm, 338, 264 Chamber the Sightmark® Laser Boresight in your 7mm, .338 or .264 rifle like a regular cartridge, and a red laser dot shows exactly where you're aiming. Ideal for hunters, competitive shooters and law enforcement, this device significantly reduces wasted cartridges and shells. Simply adjust your sights or scope, and save your extra ammo for the hunt. Includes a carrying case, three (3) AG3 batteries, and instructions. **SPECIFICATIONS** - Laser Wavelength: 632 - 650 nm - LED Type: Visible red laser - Output Power: <5 mW - Battery Type: AG5 2 - Battery Type: AG3 3 - Battery Life: 1 hour - Range for Sighting: 15 - 100 yds - Dot Size: 2 in @100yd - Operation: on/off end cap - Material: Brass - Operating Temp F/C: 14 to 122 / -10 to 50 F/C ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Sightmark ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/sightmark-sm39004-laser-boresighter-cartridge-7mm-338-264#webpage","@type":"WebPage","description":"Boresight cartridge for 7mm, .338, or .264 rifles with a visible red laser. 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