Product Overview
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!
Specifications
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
Delivery Information
Shipping Weight 5.010 Pounds
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