The AR-STONER AR-15 Side Charging Upper Receiver Assembly Gen 2 is chambered in 300 AAC Blackout and delivers precision accuracy at an affordable price. The machined billet aluminum upper receiver is combined with an extruded aluminum free float M-LOK handguard and both are hard coat anodized.
This complete upper features a carbine-length gas system, bolt carrier group, 16” Heavy profile barrel with a matte finish and a lightweight 15” free float AR-Stoner M-LOK handguard and a flash hider.
Attach your favorite sling to the free float handguard with integrated QD mounts and use the precision M-LOK cutouts at the three, six, and nine o’clock positions for mounting MIL-STD 1913 Picatinny rails or other direct-attach M-LOK accessories.
- Gen 2 Bolt Handle
- Chambered in 300 AAC Blackout
- 16″ Heavy Contour Barrel
Made In United States of America
|Barrel Length||16 Inches|
|Gas Block Diameter||0.75 Inches|
|Gas System Length||Carbine|
|M4 Feed Ramps||Yes|
|Upper Receiver Type||Side Charging Gen 2|
|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|
|Shipping Weight||5.850 Pounds|