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A Piston-Driven Upper for Added Reliability

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.

WOLF - AR-15 A1 COMPLETE UPPER RECEIVER 5.56 PISTON

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Cartridge: 5.56 mm NATO

Finish: Black

Style: Complete

Length: 16.5

Twist: 1-7