AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel


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!

Category: Product ID: 2644


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


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