--- title: "CROSS ARMORY Safe Mag AR10 Aero" canonical_url: "https://www.kygunco.com/product/cross-armory-100508-safe-mag-ar10-aero" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/232131/thumbnail.jpg?v=1713448050" "og:image:height": "500" "og:image:width": "500" "og:title": "CROSS ARMORY Safe Mag AR10 Aero" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Lower Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/lower-parts) / CRS-crSM308A ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/232131/main.jpg?v=1713448050) For illustration purposes only, this image may not be an exact representation of the product. # CROSS ARMORY Safe Mag AR10 Aero $68.39 ** 5 interest-free payments of **$13.68** 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 Handled by our expert shippers in Bardstown, KY. Item # 232131 Style CRS-crSM308A UPC 653078097351 Condition New Manufacturer [Cross Armory](https://www.kygunco.com/brand/cross-armory) Weight 1 lb Cross Armory's Safe Mag is a magazine locking system modification, designed in California, for weapons in regulated states that require fixed magazines. It prevents the removal of the magazine from your rifle without disassembly of the action when properly installed. The Cross Armory Safe Mag is easy to install and works by releasing your magazine instantly when you separate the upper and lower receivers of your firearm (which disables the firearm action), without having to press a button. The Safe Mag also allows for insertion of a new magazine when the upper receiver and lower receiver are closed, without bending or stressing the hardware of the weapon or the Safe Mag. This Safe Mag is the 308 Aero configuration and is compatible with 308/AR-10 models measuring 7/8" (0.875") wide at the base of the upper receiver (directly above the trigger). This model is also compatible with an M&P10, but requires a spacer to make the fit perfect (available via Cross Armory). Note: If it is 1-1/4" (1.25") wide, you will need the DPMS configuration. - Caliber: 308 Cal - Capacity: Safe Mag - Finish: .875" W - Model: Safe Mag - Material: 7075-T6 Aluminum ** 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 Cross Armory ```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/cross-armory-100508-safe-mag-ar10-aero#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"CROSS ARMORY Safe Mag AR10 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