Product Overview
The AR-STONER AR-15 Side Charging Upper Receiver Assembly Gen 2 is chambered in 5.56x45mm 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” M4 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.
Features:
Gen 2 Bolt Handle
Chambered in 5.56x45mm
16″ M4 Contour Barrel
Specifications
Product Information
Cartridge 5.56x45mm NATO
Finish Matte Black
Material Aluminum
Weight 5.6 Pound
Barrel Length 16 Inches
Twist 1:8 Inches
Threads 1/2″-28
Barrel Contour M4
Sights No
Barrel Finish Matte
Chrome Lined No
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
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Mil-Spec or Commercial Mil-Spec
Country of Origin United States of America
Compatible With
AR-15
Delivery Information
Shipping Weight 5.430 Pounds
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