The GLOCK OEM EXTR G21/21SF/30 W/LCI is engineered for unparalleled reliability and performance. Designed to match the precision of your GLOCK pistol, these OEM parts ensure optimal functionality and longevity. Trust the components that are manufactured with meticulous standards to uphold the integrity of your firearm. Factory Reliability Quality Construction Consistent Performance Invest in the GLOCK OEM EXTR G21/21SF/30 W/LCI parts to maintain your firearm's peak operation without compromise.