USP Small Parts

O-Ring for .45 caliber barrels HK introduced O-rings with the HK Mark 23 and HK USP 45 Tactical pistols. Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal...

HK German Roll Pin German HK roll pin is crafted from a process using rolled spring steel resulting in robust part with stable fitment. HK suggests replacing the roll pin with a new unit each time it is removed. Fits and retains the extractor, mag...

Enhanced Match Flat Sear Spring The nickel-plated sear spring is also regarded as a "match" flat spring as it will improve the feel and "smoothness" when pulling the trigger as it takes up some of the gritty feel. It is a must-have upgraded part to...

HK Pistol Light Trigger Return Spring Great for LEM and standard variant conversions. Each spring should be used along with the light-firing pin block spring, as shown below in the related items. Compatible With: HK USP Full Size (9mm, .40 & .45) HK...

HKP HK .45 Barrel O-Ring All Caliber Pistols - Red A rare find as we have found a small lot of HK red-colored HK .45 O-rings.  All HK O-rings are still made of the same material as the newer black O- rings only in the HK red color. A great spare and...

Lazy Wolf HK VP/P30/USP/HK45 Enhanced Firing Pin Block Spring An exciting and desirable new offering as a joint collaboration from the widely renowned Master HK pistol smith Lazy Wolf Guns & HK Parts! This spring was designed by master pistol smith...

HK German 9mm barrel O-ring - Green For thread protector or barrel slot on the Elite barrel. The o-ring is a high wear and replacement item. Stock up at the lowest price in the country. To save even more order 10 or more and get an additional $1 off per...

Heckler and Koch .45 ACP Caliber Barrel O-Ring in Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...

H&K HK 45/45C/USP/P30 New Style Light Firing Pin Block Spring This part is commonly used with the light trigger return spring (shown below) for a light trigger pull conversion. This spring is one of the springs used to convert P2000,...

HK USP, USPC, & HK45 Match Hammer Spring The match hammer spring is also known as the USPC standard hammer spring. This is also the correct spring needed for the light, TGS, and LEM conversion for the USPC & other custom pistol configurations...

9mm Magazine Locking Plate New HK German factory part. This is the locking plate for the bottom of the magazine spring. Compatible With: VP9 15 Round VP40 13 Round VP9SK 15 Round VP9SK 13 Round P30 15 Round P30 .40 13 Round USP Compact 9mm 13 Round USP...

O-ring for .40 caliber barrels Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal between the slide and the barrel Provides a secure lockup and increased...