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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On Sale
HK MP5K, AP5-P Recoil Rod Assembly
MKE
Now: $54.95Was: $64.95MKE HK AP5P/MP5K Recoil Rod Assembly The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part. Compatible With: HK SP5K/MP5K/SP89 Century Arms AP5-P/AP5-M Clones and other HK...HKP-22389Now: $54.95Was: $64.95 -
On Sale
HK MP5, 90 Series Holder Plate for Locking Rollers
MKE
Now: $24.95Was: $29.95MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...HKP-22235Now: $24.95Was: $29.95 -
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 -
HK CC9 Extractor Roll Pin
H&K Heckler & Koch
$5.95H&K CC9 Extractor Roll Pin Made in Germany, the extractor roll pin for the CC9 secures the extractor to the slide. Compatible With: HK CC9HKP-22132$5.95 -
Out Of Stock
HK G36, SL8 Roll Pin - Gas Piston
H&K Heckler & Koch
$9.95H&K HK G36, HK SL8 Roll Pin for Gas PistonHKP-16386$9.95 -
HK417, MR762 Cylindrical Pin for Stop Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417HKP-16619$9.95 -
HK417, MR762 Charging Handle Pin
H&K Heckler & Koch
$6.95H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417HKP-16754$6.95 -
HK417, MR762 Firing Pin Retaining Pin
H&K Heckler & Koch
$19.95Heckler and Koch MR762 Firing Pin Retaining Pin This firing pin retaining pin is made from a durable, black finished, steel and is a factory original Heckler and Koch component. This retaining pin is made for the HK417 and HK MR762 model of rifles. This...HKP-16612$19.95 -
HK45, HK45T Firing Pin
H&K Heckler & Koch
$45.99HK 45 & 45 Tactical Firing Pin A must-have spare part for your HK45 pistol. Compatible With: HK45 HK45 TacticalHKP-02221$45.99 -
HK Mark 23 Roll Pin Right Safety Lever
H&K Heckler & Koch
$7.95HK Mark 23 Roll Pin Right Safety Lever New HK German nickel plated 1.5 X 9mm roll pin to hold the right side of the selector lever to the axle of the left side control lever. Compatible With: HK Mark 23 HK SOCOM .45HKP-01813$7.95 -
HK P Series Hammer Axle
H&K Heckler & Koch
$51.95HK P Series Hammer Axle Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SK HK P30 HK P30L HK P30SKHKP-01797$51.95 -
HK G36, SL8 Cocking Handle
HKP HK Parts
$49.95Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.HKP-18251$49.95