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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HK45 Recoil Rod and Spring - Complete
H&K Heckler & Koch
$104.95HK 45 Recoil Complete Rod w/ Spring This is the complete recoil guide assembly for the HK45 pistol. Great item to have on hand for repair or replacement. Compatible With: HK45 HK45 Tactical Please Note: This does not fit the USP .45...HKP-01667$104.95 -
HK UMP, USC Sling Pin, Stock Block B - QD
HKP HK Parts
$74.95Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop - Style Pin in your Stock Block B for use of a QD Sling.HKP-18776$74.95 -
HK P30, P30S 9mm Complete Recoil Assembly
H&K Heckler & Koch
$89.95HK P30 & P30S 9mm Recoil Rod Assembly - Complete A genuine German Heckler & Koch part. Fresh springs help the pistol function as it was designed. Compatible With: P30 P30SHKP-01497$89.95 -
HK MP5 Extractor - .40 S&W / 10mm - .357 SIG
H&K Heckler & Koch
$69.95New HK MP5 40/10/.357 Latest Production 1.4mm Extractor This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible With: MP5 40 MP5 10 MP5 .357HKP-00410$69.95 -
Out Of Stock
HK Burst Roller Type Trip Lever - Latest Style
H&K Heckler & Koch
$99.95H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2HKP-01846$99.95 -
Out Of Stock
HK P7 Series Drop Safety Catch
H&K Heckler & Koch
$67.95HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13HKP-01356$67.95 -
HK P9S 9mm Extractor
H&K Heckler & Koch
$79.95HK P9S 9mm Extractor This extractor is no longer manufactured and is hard to find. This is the last remaining stock that HK had in inventory. Last call for this part.HKP-01997$79.95 -
Out Of Stock
HK 21 (7.62x51/.308) Feed Mechanism Pawl
H&K Heckler & Koch
$69.95HK 21E & M13 Feed Mechanism PawlHKP-02071$69.95 -
HK91, G3, MP5 Sear Catch - Steel - New Build
H&K Heckler & Koch
$69.95Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...HKP-01459$69.95 -
Out Of Stock
HK VP9 Match Firing Pin - Complete
H&K Heckler & Koch
$69.95Heckler 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 HK VP9 HK HK VP9L HK VP9SKHKP-22320$69.95 -
HK416, MR556 Magazine Catch - Ambi
H&K Heckler & Koch
$92.95H&K HK MR556, HK416 Mag Catch - Ambi Factory HK ambidextrous magazine catch/release. Compatible With: HK416 A5 HK MR556 A4 NOT compatible with earlier variants with single-side controlsHKP-22289$92.95 -
HK P7M10 Extractor
H&K Heckler & Koch
$81.95Heckler and Koch HK P7M10 Extractor Compatible With: HK P7M8HKP-01999$81.95