HK Army Performance Series Replacement Piston Kit Pants & Slide Shorts consistent long lasting flow and

consistent long lasting flow and complete reliability

8mm metal bushings

Open-cell neoprene foam

each with and without beavertail)

On frame ambidextrous safety

HK Army Performance Series Replacement Piston Kit Pants & Slide Shorts consistent long lasting flow andThese pistons come equipped with Belleville Shim Stack, designed for precision and ease of use. This innovative component allows you to adjust the output pressure of your regulator quickly and efficiently without needing to purchase an entirely new regulator unit. Simply pull out the entire shim stack unit and drop it into your regulator for seamless performance. The shim stack wraps around a robust brass piston equipped with all necessary O rings,