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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HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release
H&K Heckler & Koch
$64.95HK German Anti Rattle Paddle Magazine Release This item is a new H&K genuine part not used or surplus for installation on all HK .223 & .308 HK Rrifles. This is the highly desired anti-rattle-style paddle mag release. Compatible With: HK 91 HK...HKP-01126$64.95 -
Out Of Stock
HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded
H&K Heckler & Koch
$34.95MP5 40/10 Threaded Bolt Catch For Magazine Follower This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but critical part is to keep spares on hand,...HKP-00454$34.95 -
HK MP5 40, 10 Roller - -4
H&K Heckler & Koch
$19.95HK German MP5 40/10 -4 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...HKP-00337$19.95 -
HK VP9, VP40 Backstrap - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Backstrap - Small - OD Green New HK German Manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18839$24.95 -
HK417, MR762 Axle Extractor Retaining Pin
H&K Heckler & Koch
$8.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$8.95 -
HK45, HK45 Compact V4 LH Decock Only Lever
H&K Heckler & Koch
$29.95HK 45 & 45C V4 LH Decock Only Lever The V4 lever is for the right side of the frame for a left-handed shooter. This lever is to be used in conjunction with the V3/4 detent plate found below. Detent...HKP-02707$29.95 -
$6.95 -
HK P30, P2000 Trigger Bar Detent
H&K Heckler & Koch
$16.95HK P30 & P2000 Trigger Bar Detent Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SKHKP-01798$16.95 -
Out Of Stock
HK45, USP, P2000 Sear Axle
H&K Heckler & Koch
$13.95Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP HK USP Compact LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...HKP-01251$13.95 -
HK416, HK417, MR556, MR762 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-12705$99.95 -
Out Of Stock
HK UMP, USC Stock Block B - Push Pin
HDPS
$39.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.HKP-16339$39.95 -
HK MP5 Extractor - 10mm / .40 S&W
RCM
$34.95MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.HKP-01969$34.95