Kaw Valley Precision OPMOD Big G Compensator with Hub Mount 9/16x24 Black .46 Caliber and Under KBP-OPMOD-BIGG-03. These Muzzle Devices feature vertical compensation ports to mitigate muzzle rise and linear ports to direct concussion blasts forward and away from the shooter. The "One Comp Fits All" bore sizing makes the Big G suitable for any cartridge application up to .46 caliber. Its large form factor offers enhanced control and stability for a variety of applications. Each compensator is CNC precision machined and finished with a Black Nitride coating to deliver long-lasting performance. Improve your accuracy and train like never before with the OPMOD exclusive Kaw Valley Precision Big G Compensator. Specifications for Kaw Valley Precision OPMOD Big G Compensator w/Hub Mount: Manufacturer: OPMOD Projectile Caliber: .46 Caliber Color: Black Caliber: .46 Rimfire Features of OPMOD Kaw Valley Precision Big G Compensator w/Hub Mount: Works seamlessly with 1.375x24 Hub direct thread and other Hub Mount compatible QD solutions CNC precision machined and finished with a Black Nitride coating Designed to convert HUB compatible suppressors compensators and other muzzle devices to a direct thread mounting system Package Contents: Kaw Valley Precision OPMOD Big G Compensator w/Hub Mount OPMOD KBP-OPMOD-BIGG-03: Kaw Valley Precision OPMOD Big G Compensator with Hub Mount 9/16x24 Black .46 Caliber and Under