Tactical Precision Manufacturing TPM .30 Cal. 5/8x24 Titanium Muzzle Brake Polished Titanium 5/8x24 MBR-30-TI. 05 oz(22 cal) and 0.67 oz(30 cal) Material: Titanium Specifications for Tactical Precision Manufacturing TPM .30 Cal. 5/8x24 Titanium...