Wolf A1 AR15 5.56NATO 16" 1/7 Twist Short Stroke Piston System Complete Upper Receiver

The Wolf Performance A1 Complete AR-15 Upper Receiver provides shooters with all of the benefits of the standard AR-15 upper, which can be easily paired with any lower, while offering increased reliability over more common direct-impingement designs.

The Wolf Performance A1 Complete AR-15 Upper Receiver is based on the design of the T91 rifle from Taiwan and offers the added reliability of a short-stroke piston system, which doesn't direct debris and other harsh byproducts of cartridge ignition back into the receiver, ensuring that nothing impedes the reliable performance of your rifle.

• Chambered in 5.56 NATO
• All-black finish
• Barrel length: 16.5 inches
• Twist rate: 1:7
• Includes T91 handguard and charging handle

The Wolf Performance A1 Complete AR-15 Upper Receiver comes complete with a one-piece bolt-carrier group and a charging handle, so it's ready to shoot right from the box.