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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HK P30, P30L Loaded Chamber Indicator Compression Spring
H&K Heckler & Koch
$5.95H&K P30/L Loaded Chamber Indicator Compression SpringHKP-02220$5.95 -
Out Of Stock
HK P30SK, P2000SK Hammer Strut
H&K Heckler & Koch
$17.95Heckler and Koch Hammer Strut for HK P30SK, P2000SK Factory German HK hammer strut for the P30SK and P2000SK 9mm pistols. This OEM steel component installs in the rear grip frame and works with the hammer spring to drive the hammer forward during firing...HKP-02597$17.95 -
HK USP Compact Right Side Ambidextrous Control Lever
H&K Heckler & Koch
$29.99HK USPC Right Side Ambidextrous Control Lever Compatible With: HK USP Compact 9mm .357 SIG .40 S&W .45 USPC Tactical Will fit the HK USP Full Size but will have a lower profile than the USP full-size lever 9mm .357 Sig .40 S&W ...HKP-02275$29.99 -
Out Of Stock
HK G36 (5.56/.223) Burst Disconnector Spring
H&K Heckler & Koch
$9.95HK German G36 2 Round Burst Disconnector Spring For All HK Burst G36 Burst LowersHKP-12703$9.95 -
HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
$13.95HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40, & 9mm. USC .45 and other conversion...HKP-01898$13.95 -
HK MP5, MP5K Recoil Rod Stop Pin
H&K Heckler & Koch
$14.99HK German MP5 & MP5K Recoil Rod Stop Pin New HK German manufacture a great spare or replacement item to have on hand. Compatible With: MP5, 94, SP5 MP5K, SP89, SP5KClones or other custom buildsHKP-17421$14.99 -
On Sale
HK MP5, HK90 Series Trigger Spring - SEF, Navy
MKE
Now: $2.45Was: $8.95MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...HKP-22225Now: $2.45Was: $8.95 -
Out Of Stock
HK CC9 Firing Pin Spring Retainer
H&K Heckler & Koch
$5.95H&K CC9 Firing Pin Spring Retainer Manufactured in Germany by H&K, this part secures the firing pin spring to the firing pin assembly, ensuring proper striker function during cycling. Compatible With: HK CC9HKP-22139$5.95 -
HK CC9 Recoil Spring Support
H&K Heckler & Koch
$5.95H&K CC9 Recoil Spring Support Genuine H&K, this recoil spring support for the CC9 pistol guides and supports the recoil spring during cycling. Compatible With: HK CC9HKP-22113$5.95 -
HK CC9 Magazine Catch
H&K Heckler & Koch
$16.95H&K CC9 Magazine Catch Genuine H&K magazine catch for the CC9 pistol engages and locks the magazine in place while allowing for the quick release during reloads. Compatible With: HK CC9HKP-22106$16.95 -
HK CC9 Disassembly Lever
H&K Heckler & Koch
$19.95H&K CC9 Disassembly Lever Made in Germany, this CC9 disassembly lever allows removal of the slide assembly from the frame for maintenance and cleaning. Compatible With: HK CC9HKP-22105$19.95 -
HK MR762 A4 Gas Vent Screw - 1.1mm
H&K Heckler & Koch
$32.95H&K MR762 A4 1.1mm Gas Vent Screw German 1.1mm gas vent screw for MR762 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4HKP-21946$32.95