This AR-STONER carbine length upper features a mil-spec bolt carrier group with a phosphate finish, A2 fixed front sight, and a government profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 9" twist, the 16" barrel provides outstanding accuracy. This pre-ban style upper includes a bayonet lug and A2 flash hider with a 1 3/8 sling loop. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately). MidwayUSA is proud to offer this AR-STONER A3 Upper Receiver Assembly at an exceptional price!
Product Information
Cartridge
5.56x45mm NATO
Finish
Black Parkerized
Material
Steel
Weight
4.14 Pound
Barrel Length
16 Inches
Twist
1:9 Inches
Threads
1/2"-28
Barrel Contour
Government
Sights
Yes
Barrel Finish
Black 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
4140 Chrome Moly Steel
Handguard
2-Piece M4 Style
Bolt Carrier Assembly Included
Yes
Muzzle Device
A2 Flash Hider
Mil-Spec or Commercial
Mil-Spec
Country of Origin
United States of America
Compatible With
AR-15