Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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HK91, G3 Magazine Release Set, Complete - USED
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right...HKP-22466$24.95 -
HK VP9 Match Firing Pin - Complete
H&K Heckler & Koch
$79.99Heckler and Koch Complete Firing Pin for your VP9 Match Complete firing pin assembly including firing pin, sleeve, spring, and shell spring washers. Compatible With: HK VP9 Match<HKP-22320$79.99 -
HK G36, SL8 Paddle Magazine Release
USA
$17.95US Magazine Paddle Release for HK G36 and HK SL8 HK G36 Mag Release or mag catch. Compatible With: SL8 G36HKP-18222$17.95 -
HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Catch Spring for HK417 and HK MR762 New HK German manufacture. Factory correct magazine catch for the magazine release.HKP-16520$9.95 -
HK P30 Series Left Slide Release Lever
H&K Heckler & Koch
$54.95Slide Release Lever Left - P30 Latest HK production. Compatible With: P30HKP-01879$54.95 -
HK45, HK45 Compact V2 Right Side LH Lever
H&K Heckler & Koch
$31.95HK 45 & 45C V2 Right Side LH Lever This is the control lever for left-hand shooters. This would be the lever on the right side of the frame for left-hand shooters. The V2 left lever will allow...HKP-02416$31.95 -
HK UMP, USC Stock Block B Thumb Screw
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine...HKP-20297$3.95 -
Out Of Stock
HK45, HK45 Compact V3 Left Side Decock Only Lever
H&K Heckler & Koch
$49.95Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only...HKP-02706$49.95 -
HK45, USP New Style Hammer Strut
H&K Heckler & Koch
$12.95Heckler and Hock HK USP and HK45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HKHKP-01250$12.95 -
HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2
H&K Heckler & Koch
$9.99Heckler and Koch HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock...HKP-16604$9.99 -
HK416, MR556 Extractor Axle Pin
H&K Heckler & Koch
$11.95Heckler and Koch HK MR556 and 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK...HKP-00040$11.95