Designed to meet Customer’s needs, the AR-STONER AR-15 A3 Upper Receiver Assembly provides function, style and affordability for today’s AR-15. The A3 upper attaches to virtually any standard AR-15 lower receiver and comes complete with everything you need to start shooting. This upper features a carbine-length gas system, 16” barrel with 1:20 twist and parkerized finish, LS2 spiral flash hider, and a lightweight 15” free float M-Lok Handguard. M-Lok Handguard slots allow mounting of popular M-Lok compatible accessories directly to precision cutouts and features integrated QD sling mounts with a sleek design that does not sacrifice strength or ergonomics. Finish building the gun of your dreams at a price that won’t break the bank with the AR-STONER™ AR-15 A3 Upper Receiver Assembly.
Complete Bolt Carrier Group
15″ M-Lok Handguard
LS2 Spiral Flash Hider
Chambered in 12.7x42mm
Note: 12.7x42mm is the metric designation for the 50 Beowulf. 50 Beowulf is a registered trademark of Alexander Arms.
Made In United States of America
warning-iconWARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.