HKP HK VP9L Rail Mount Compensator

Specifications:

-Length: 4 1/4 inches
-Height: 2 1/2 inches
-Weight: 5 oz.
-Torque: 3nM / 26 inch-lbs
-Crafted from aircraft-grade billet aluminum and finished in durable Cerakote.
-Not to be used with HK VP9 threaded barrel

It is recommended by the manufacturer to use 124+ Grain Ammunition for 9mm and 180+ Grain Ammunition for .40 S&W when firing these compensators for optimal performance.