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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK VP9, VP9SK, VP40 Trigger Stop Bolt
H&K Heckler & Koch
$14.95H&K HK VP9/VP9SK, VP40 Trigger Stop Bolt Stop Bolt for Trigger VP9, VP40. Compatible With: HK VP9 HK VP9SK HK VP40 HK VP9A1 F HK VP9A1 KHKP-16784$14.95 -
Out Of Stock
HK416, MR556, HK417, MR762, AR-15 Selector Detent Spring
H&K Heckler & Koch
$9.99H&K HK MR556/MR762/416/417/AR15 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK 416 HK MR762 HK 417 AR15, M4 & M16HKP-02657$9.99 -
HK416, MR556 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$64.95H&K HK MR556 Front Lower Receiver Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and...HKP-02663$64.95 -
HK MP7, G36, SL8 Gas Block Pin
H&K Heckler & Koch
$8.95H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).HKP-16727$8.95 -
HK SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
H&K Heckler & Koch
$129.95HKP HK Parts and Heckler and Koch Anti-Rattle Roller Tipped Paddle Magazine Release Kit No modifications, no refinishing...complete drop-in kit included New HK German and USA made paddle mag release kit for the HK SP5K. This kit will allow any...HKP-18082$129.95 -
HK MP5, SP89, HK91, HK93, HK94 Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89HKP-01725$8.95 -
HK MR556, MR762 A4 Safety Lever - Left
H&K Heckler & Koch
$12.95H&K MR556/MR762 A4 Safety Lever - Left Left-side selector lever for MR-series ambidextrous safety systems. Compatible With: HK MR762 A1/A4 HK MR556 A1/A4HKP-21965$12.95 -
HK P7M8, P7M13 Retaining Roll Pin - Gas Piston
H&K Heckler & Koch
$4.95HK P7 M8, M13 Piston Retaining Roll PinHKP-16435$4.95 -
HK MP5, HK90 Series Paddle Mag Release Bushing - Full Auto
MKE
$2.59MKE Magazine Release Bushing for HK MP5, MP5K and HK90 Firearms This part is for use in all HK90-series Heckler and Koch weapon systems and is used for installing a paddle mag release. This is not for use on semi-auto HK builds. This part is intended for...HKP-22283$2.59 -
HK MR556, MR762 A4 Safety Lever - Right
H&K Heckler & Koch
$13.95H&K MR556/MR762 A4 Safety Lever - Right H&K factory right-side selector lever for MR-series ambidextrous safety systems. Compatible With: HK MR762 A1/A4 HK MR556 A1/A4HKP-21966$13.95 -
HK45, HK45 Compact, USP, USP Compact New Style Hammer
H&K Heckler & Koch
$62.95H&K HK USP/USPC/45/45C New Style Hammer Will work for USP/USPC variants 1-4, 9 & 10. This part replaces the older HK hammer without the sear cutout (part #214825). Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact...HKP-01256$62.95 -
HK UMP, USC Lower Axle
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle - German 3 X lower axle pins are used for each trigger group or lower all pins are the same size, except the mag release axle on the USC model.HKP-01893$9.95