CNC Machined from 304 Stainless Steel then Black Nitride TM plated. Adapts your M8x.075 Walther P22 barrel to 1/2"-28. Machined flats allow use of a standard 1/2" wrench to tighten allowing a secure fit! Adapter comes with a thread protector.
This PPQ M2 4.6" threaded barrel works with 4" 9mm PPQ M1 and M2 pistols. The barrel has polygonal rifling for improved performance. The kit includes the barrel with 1/2" x 28 TPI threads , spring, and thread protector.