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.
A1 T91 Complete Upper Receiver 5.56 Piston