If you've ever dealt with the frustration of having a muzzle brake that just won't stay tight, then the VG6 Precision Lambda PRS65 Precision Muzzle Brake is exactly the product you need on your precision rifle. Thanks to the innovative design of this device, you'll never have to worry about your timed and tuned muzzle brake falling out of whack again. Built with a two-piece, four-chamber design, the VG6 Precision Lambda PRS65 Precision Muzzle Brake requires no tools for installation, instead relying on a jam-nut that actually works in concert with the baffles to tighten itself against the barrel during every shot. Of course, thanks to the redirected gases ported from the Mfg: Aero Precision