AR-STONER AR-15 Carbine Kit with Complete Upper Assembly 7.62x39mm 1 in 10″ Twist 16″ Barrel

MidwayUSA is proud to offer this AR-STONER™ Carbine Kit at an exceptional price! This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a heavy 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 10″ twist, the 16″ barrel provides outstanding accuracy with a wide range of projectiles. This pre-ban style upper includes a bayonet lug and A2 flash hider. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).   This AR-STONER™ Carbine Kit also includes a M4 mil-spec 6-position stock assembly. The buffer tube is machined from 6061-T6 aluminum and given a hard coat anodized finish to withstand years of abuse. The 6-position telescoping stock features a built-in sling swivel to mount your favorite rifle sling.   The AR-STONER™ Lower Parts kit includes everything needed to build a complete lower, except a stripped lower receiver. All parts are made to standard military specifications.    Technical Information Upper Receiver: A3 Flat-Top Barrel Length: 16″ Barrel Contour: Heavy Barrel Material: 4140 Chrome Moly Matte Muzzle Thread Pattern: 5/8″-24 Chrome Lined: No Barrel Finish: Phosphate Twist Rate: 1 in 10″ Chamber: 7.62x39mm (.308 Diameter) M4 Feed Ramps: Yes Muzzle Device: A2 Flash Hider Gas System Length: Carbine Gas Block Diameter: 0.750″ Handguard: 2-Piece M4 Style Sights: A2 Fixed Front Bolt Carrier Group Included: Yes Bolt Carrier Type: Mil-Spec   Lower Parts Kit Includes Bolt Catch Bolt Catch Plunger Bolt Catch Roll Pin Bolt Catch Spring Buffer Retainer Buffer Retainer Spring Disconnector Disconnector Spring Hammer Hammer Pin Hammer Spring Magazine Catch Magazine Catch Button Magazine Catch Spring A2 Pistol Grip Pistol Grip Lock Washer Pistol Grip Screw Pivot Pin Pivot Pin Detent Pivot Pin Detent Spring Safety Selector Safety Selector Detent Safety Selector Detent Spring Takedown Pin Takedown Pin Detent Takedown Pin Detent Spring Trigger Trigger Guard Trigger Guard Roll Pin Trigger Pin Trigger Spring   M4 Stock Assembly Includes M4-Style Adjustable Stock 6-Position Mil-Spec Carbine Buffer Tube Carbine Length Buffer Tube Spring Recoil Buffer Castle Nut End Plate   Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.   Use of steel-cased 7.62x39mm ammunition in the AR-15 platform may result in occasional light primer strikes due to the small diameter firing pin and hard military-style primers. Aftermarket triggers with lighter springs are not recommended.