HK45 Small Parts
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HK Pistol O-Ring - .45 ACP Barrel - Green
H&K Heckler & Koch
$4.95O-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...HKP-01984$4.95 -
HK German Roll Pin
H&K Heckler & Koch
$2.95HK 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...HKP-01921$2.95 -
HK P30, P2000, HK45, USP Flat Sear Spring - Enhanced Match
H&K Heckler & Koch
$9.95Enhanced 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...HKP-01811$9.95 -
HK Pistol Light Trigger Return Spring
H&K Heckler & Koch
$7.95HK 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-02081$7.95 -
HK45, USP, Mark 23 Barrel O-Ring - .45 ACP - Red
HKP HK Parts
$4.95HKP 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...HKP-19316$4.95 -
HK VP, P30, HK45, USP Firing Pin Block Spring - Enhanced
Lazy Wolf
$9.95Lazy 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...HKP-18110$9.95 -
HK .45 ACP O-Ring - Barrel
H&K Heckler & Koch
$4.95Heckler 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...HKP-00296$4.95 -
HK45, USP, P2000 Enhanced Magazine Release
HKP HK Parts
$49.95HKP HK USP/P2000/HK45C Enhanced Magazine Release Upgrade your pistol's performance with our oversized magazine release. Crafted from durable 6061 billet aluminum, this US made component offers an expanded surface area for quicker, more intuitive magazine...HKP-19287-M$49.95 -
HK P30, HK45, HK45C, USP Firing Pin Block Spring - Light- New Style
H&K Heckler & Koch
$7.74H&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,...HKP-01955$7.74 -
HK USP, HK45 Short Reset System
Grayguns
$90.00Grayguns HK USP, HK45 Short Reset System This Short Reset System for the HK USP and HK45 replicates the short reset conversion available at Grayguns. Cut from bar stock steel, these kits provide an exacting fit for easy install. The kit shortens the...HKP-19753$90.00 -
HK USP, USPC .45 Match Hammer Spring
H&K Heckler & Koch
$5.95HK 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...HKP-01410$5.95 -
HK45, USP, USPC LEM Conversion Kit - Complete
H&K Heckler & Koch
$138.95H&K Heckler & Koch HK45, USP, USPC Kit - LEM - Complete - Universal HK German "universal" LEM conversion kit for USP, USPC & HK45, and HK45C pistols. This kit converts your V1-V10 HK Pistol to the LEM configuration. Each LEM kit includes all...HKP-00316$138.95