Designed to meet Customer’s needs, the AR-STONER™ AR-15 Slick Sided 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 parkerized finish, M2 flash hider, and an ultra-lightweight free float M-Lok Handguard. This Slick Side upper has no forward assist or dust cover. 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
- Ultralight M-Lok Handguard
- Slick side upper receiver
Cartridge 5.56x45mm NATO Color Black Finish Anodized Material Aluminum Weight 5 Pound Barrel Length 16 Inches Twist 1:7 Inches Threads 1/2″-28 Barrel Contour M4 Barrel Finish Parkerized Chrome Lined No Gas Block Diameter 0.75 Inches Gas System Length Mid-Length M4 Feed Ramps Yes Upper Receiver Type Slick-Side Flat-Top Barrel Material 4150 Chrome Moly Vanadium Steel Handguard 15″ M-Lok Ultralight Bolt Carrier Assembly Included Yes Muzzle Device Flash Hider Country of Origin United States of America Compatible WithAR-15