--- title: "HK USA MR762 A4 SBR 13\" 7.62 NATO 10rd Rifle" description: "Black 7.62 x 51mm SBR with a 13\" barrel, short-stroke piston system, adjustable gas regulator, 23\" Picatinny rail, and 10rd capacity." canonical_url: "https://www.kygunco.com/product/hk-mr762-a4-sbr-7.62-nato-13-10rd-sbr-black" meta: author: KYGUNCO "og:description": "Black 7.62 x 51mm SBR with a 13\" barrel, short-stroke piston system, adjustable gas regulator, 23\" Picatinny rail, and 10rd capacity." "og:image": "https://cdn.kygunco.com/assets/products/303082/thumbnail.jpg?v=1768399160" "og:image:height": "500" "og:image:width": "500" "og:title": "HK USA MR762 A4 SBR 13\" 7.62 NATO 10rd Rifle" --- > 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) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Class III](https://www.kygunco.com/category/shooting/guns/class-iii) / [Short Barrel Rifles](https://www.kygunco.com/category/shooting/guns/class-iii/short-barrel-rifles) / HCK-81001055 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/303082/main.jpg?v=1768399160) For illustration purposes only, this image may not be an exact representation of the product. # HK MR762 A4 SBR 7.62 NATO 13" 10rd SBR - Black The HK MR762 A4 SBR is a black 7.62 x 51mm rifle with a 13-inch barrel, short-stroke gas piston system, and adjustable gas regulator for suppressed or unsuppressed use. It has a 10rd capacity, 23-inch Picatinny rail, and weighs 7.95 lb without the magazine. See Price In Cart Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** NFA / Class 3 NFA transfer requirements vary by product and location. Additional documentation, approvals, or a qualified dealer may be required. Check local and state regulations to ensure eligibility and compliance before purchasing. ** Ships To FFL Dealer Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 303082 Style HCK-81001055 UPC 642230272514 Condition New Manufacturer [HK USA](https://www.kygunco.com/brand/hk-usa) Model MR762 A4 Round Capacity 10 Caliber 7.62 NATO Action Semi-Auto Barrel Length 13 in The MR A4 SBR represents the peak of HK’s rifle evolution, delivering exceptional capability and uncompromising durability. Engineered to run harder and longer without sacrificing accuracy or reliability, it features a reinforced design and a short-stroke gas piston system that prevents hot carbon fouling from entering the action, reducing maintenance needs and minimizing wear on internal components. Its adjustable gas regulator allows precise tuning for both suppressed and unsuppressed use, while the overall build ensures consistent performance under demanding conditions. For shooters who prioritize reliability and top-tier performance above all else, the MR A4 SBR stands as the ultimate solution. SPECIFICATIONS - Caliber: 7.62 x 51mm - Overall length: 31.4 in. - Overall height: 7.75 in. - Overall width: 3.23 in. - Barrel length: 13 in. - Picatinny Length: 23 in. - Weight: 7.95 lb (without magazine) - Barrel Profile & Twist: 4 lands & grooves, 1 in 11 in. Right Hand Twist - Capacity: 10rds ** 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 ## Don't Forget Your Ammo ```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/hk-mr762-a4-sbr-7.62-nato-13-10rd-sbr-black#webpage","@type":"WebPage","description":"Black 7.62 x 51mm SBR with a 13\" barrel, short-stroke piston system, adjustable gas regulator, 23\" Picatinny rail, and 10rd capacity.","name":"HK USA MR762 A4 SBR 13\" 7.62 NATO 10rd 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