The GR-1 is designed to reduce muzzle flip and recoil. The GR-1 deflects a portion of the muzzle blast upwards through the 2 ports which reduces recoil, improves control, and improves target acquisition.
Barrel bushing style compensator for Government (5”) barrel 1911 Autos.
CNC machined from billet, hardened, aerospace grade stainless steel
WEIGHT: 1.05oz LENGTH: 1.73“
Fits 5” Government length 1911 Autos with a barrel OD between .577"-581".
The bushing ID. Is .583" +-.0005"
Fits calibers up to and including .45acp. can fit .38 and 9mm
Minor fitting may be required
Not compatible with bull barrels.
WILL NOT FIT Commander (4.25”) barrel or Officer/Compact (4” or shorter)