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Extractor for USP EXPERT.

Firing pin for USP full size pistols.

Lockout device for USP compact

Trigger for HK45 Compact and USP Compact pistols

Sear for USP and HK45 pistols

Hammer for USC and SL8 rifles

Factory barrel for USP45 Compact (specs below)

Trigger bar for USP compact pistols

USP45 Expert Barrel

Complete Recoil assembly for USP 45 full size.

Spare barrel for USP45 Tactical or upgrade USP45 to accept threaded suppressors or other muzzle attachments.

USP45 Expert Slide

Replacement magazine spring for USP45 12rd magazine

Hammer Axle fits all USP, USPC, HK45, HK45C pistols.

Hammer strut for USP compact

Front sight for USP expert pistols only

Recoil spring retainer for USP9, USP40, and USP45 recoil assemblies

Key for LOCKOUT device on all USP, USPC, P2000, and P2000SK Pistols.

Slide release for USP compact pistols.