Experience superior performance with the GLOCK OEM Thredd BBL G21 Gen 4 45ACP, engineered for precision and reliability.This threaded barrel enhances your shooting capabilities, designed specifically for the GLOCK 21 Gen 4 while offering compatibility with compensators. Its compact size ensures practicality for daily carry.Precision-engineered for .45 caliber GLOCK 21Includes thread protector for added safetyCompatible with M16X1 LH threadsIdeal for enhanced shooting stability and accuracyElevate your firearm's potential with this expertly crafted barrel.