Tactical Precision Manufacturing TPM 22 Cal 1/2x28 Titanium Muzzle Brake Black 1/2x28. The spiral port outlets along with the parabolic internal taper significantly reduces recoil while not making it overly loud. The 22 cal muzzle brake is a great addition to your AR-15 or any other 22 caliber rifle. It is light strong reduces recoil and muzzle jump. Specifications for Tactical Precision Manufacturing TPM 22 Cal 1/2x28 Titanium Muzzle Brake: Manufacturer: Tactical Precision Manufacturing Projectile Caliber: .22 Caliber Threads per Inch: 1/2x28 Package Contents: Tactical Precision Manufacturing TPM 22 Cal 1/2x28 Titanium Muzzle Brake Tactical Precision Manufacturing MBR-22-TI-BLK: TPM 22 Cal 1/2x28 Titanium Muzzle Brake Black 1/2x28