Elite Force H&K USP Compact GBB Pistol - Black paintballs This is because they have

This is because they have much less moving mass inside the gun

Anniversary Tactical edition

Optical Grade Polycarbonate

scope mounts

each marker ships exclusively with an ALL BLACK Shaft FL Back and Shaft FL Aluminium Tip combo

Elite Force H&K USP Compact GBB Pistol - Black paintballs This is because they haveThe HK USP Compact is a Gas Blowback airsoft pistol with double action. This authentic HK replica has a moving hammer that adds realism. It has fixed tactical sights and a velocity of 300 FPS! Licensed Trademark of Heckler & Koch GmbH Features: Green Gas Powered Full Blowback Action 300 FPS with . 20g BBs HK Accessory Rail Last Round Hold Open Manual Safety Adjustable Hop Up Magazine Capacity: 22rds