Muzzle Brakes/Thread Protectors

3-1 Barrel Tuner with Muzzle Break and Air Stripper. 1/2 UNF Threaded, comes with 4 caliber specific front end adapters. It re-routes the air blast that escapes from the muzzle to prevent turbulence and the tuner gives you the possibility for harmonic tun

Ported muzzlebrake
.579" inside diameter
.842" outside diameter
4.54" length

5.25" long
.630" inside diameter
Fits RWS 34, 34P, 45 and 350 Magnum rifles and Beeman R-series rifles
Has 3 set screws
Front sights on the guns must be removed to attach muzzlebrake