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Flat spring for P30, USP, and P2000 (see below)

Converts standard USP full size pistols to the same trigger used in USP Expert, Elite, and Tactical.

Slide plate compression spring for HK45, USP and USP Compact pistols

Sear axle for HK45, USP, USPC , P2000sk and P2000 pistols

Sear actuator latch HK45 and catch for USP pistols

Roll pin for extractor, firing pin, and magazine release for USP, USP Compact, P2000 and P2000sk pistols

Adjustable Rear sight for USP Expert/Elite pistols. Use with 11mm front sight.

Firing pin block spring for all USP, USPC, HK45 and HK45C pistols

Trigger axle for P30, HK45, USP, and P2000 (see below)

Variant 1, 5, and 9 control lever for USP full size.

Variant 2, 6, and 10 control lever for USP full size.

Slide release for USP full size pistols.

Firing pin block (drop safety catch) fits multiple models (see below)

Control lever/right side safety lever for USP full size conversion to variant 4

Adjustable sights for all USP Full size handguns (not Expert/Elite). Meproplight Tritium

7.2mm front sight will fit both USP and USP compact pistols.

Replacement magazine spring for USP9/40, HK45C, and USP45C (See magazine capacity below)

Factory barrel for USP 45 full size pistols.

Complete Recoil assembly for USP 45 full size.

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