The AR-STONER AR-15 A3 Billet Upper Receiver Assembly is the ultimate mix of functionality, style and value. This A3 Upper Receiver gives the firearm a sleek profile and attaches to virtually any standard AR-15 lower. Complete with a full BCG this upper provides everything you need to start shooting and features a carbine-length gas system, 16” barrel with 1:8” twist, flash hider, charging handle, and a 15” M-Lok handguard. Precision cutouts on the handguard are compatible with popular M-Lok accessories. Build an AR-15 that you will be proud to take to the range with the AR-STONER AR-15 Billet Upper Receiver Assembly.
Features
Complete Bolt Carrier Group
16” M4 Contour Barrel
Flash Hider
Chambered in 5.56x45mm NATO
15” M-Lok Handguard
A3 Billet Upper Receiver
Product Information
Cartridge
5.56x45mm NATO
Finish
Matte Black
Material
Aluminum
Weight
4.9 Pound
Barrel Length
16 Inches
Twist
1:8 Inches
Threads
1/2"-28
Barrel Contour
M4
Sights
No
Barrel Finish
Parkerized
Chrome Lined
No
Gas Block Diameter
0.75 Inches
Gas System Length
Carbine
M4 Feed Ramps
Yes
Upper Receiver Type
A3 Flat-Top
Barrel Material
4150 Chrome Moly Vanadium Steel
Handguard
15" M-LOK
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