This is a Spike's Tactical Muzzle Brake known as the R2 chambered in 308 Winchester, model SBV1066.
Recoil? What recoil? This brake has extremely large side ports for diverting the gas followed by the projectile outwards for excellent recoil management. If taming the beast is what you want then look no further!
Features:
416 Stainless steel
5/8X24 thread pitch
Large side porting
Black nitride finish