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

Replacement magazine spring 10rd USP9/USP9c/USP45/P2000 9mmmagazine

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

Works with USP9/USP40 full size magazines only

HK USP Jet Funnel Assembly Kit for USP 9mm and USP .40 cal full size handguns only.

Standard floorplate for use in USP 9mm full size 15rd and USP 40 full size 13rd magazines. Replaces part number 214213

Factory barrel for USP 40 S&W full size pistols.

Spare magazine for the USP40 Full size, 13 round, standard floorplate.

USP .40 Tactical Threaded Barrel

Spare magazine 16rd for USP40 Expert/Elite/Tactical. Will also fit all HK USP .40 S&W full size handguns. This item can be used with or without the jet funnel mag well installed. Note: the magazine will extend below the bottom of the magazine well on a standard USP unless Jet funnel kit is installed.

Complete recoil assembly for USP 9 and .40 S&W tactical pistols.

Spare magazine for USP40, 10 round, standard floor plate.