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 VP9, VP40 Disassembly Lever Spring
H&K Heckler & Koch
$5.95Catch Spring For Disassembly Lever HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16786$5.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Disconnector
H&K Heckler & Koch
$18.95Heckler and Koch HK416, MR556, HK417, MR762 Disconnector for Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK HK416 and HK417 family of...HKP-02674$18.95 -
HK G36, SL8, USC, UMP Sight Screw - Rear
H&K Heckler & Koch
$19.95HK G36, SL8 & USC, UMP Rear Sight Screw Rear sight screw to retain HK G38/Sl8 & USC/UMP rear sights housings to the rear sight base. Compatible With: G36, SL8HKP-16382$19.95 -
HK33, HK53, HK93 Firing Pin - Stainless Steel
HKP HK Parts
$24.95HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steelHKP-17798$24.95 -
B&T Takedown Pin Rear
B&T Brugger & Thomet
$12.95B&T APC Takedown Pin - Rear Factory B&T rear take down pin for the APC receiver. Compatible With: APC Series Standard receiverHKP-21727$12.95 -
HK SL8 Optic Screw - Adjusting - Dual and Single Optics
H&K Heckler & Koch
$14.95HK SL8 Dual and Single Adjusting Optic ScrewHKP-16387$14.95 -
Out Of StockOn Sale
HK Trigger Pack Ejector Lever Axle - USED
H&K Heckler & Koch
Now: $9.71Was: $19.95HK Trigger Pack Ejector Lever Axle - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German ejector lever axle pin for all HK trigger...HKP-01091-USEDNow: $9.71Was: $19.95 -
HK MP5 Locking Roller -4 - .40 S&W
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...HKP-17561$11.95 -
HK45 Compact Hammer Spring
H&K Heckler & Koch
$10.95Hammer Spring For HK45 Compact This part is shorter than the HK45 hammer spring and is used on the HK45C only.HKP-01805$10.95 -
HK USP, 45, 45C New Style Bobbed Hammer
H&K Heckler & Koch
$59.95HK USP, USPC & HK45 & HK45C Bobbed Hammer - New Style This has the shorter, lower-profile "bobbed" hammer. The new style hammer has a cutout for 2005 and later production. Compatible With:HKP-01589$59.95 -
HK Mark 23 Rear Sight Retaining Screw
H&K Heckler & Koch
$19.95HK Mark 23 Rear Sight Retaining ScrewHKP-01628$19.95 -
HK P30 Series Right Slide Release Lever
H&K Heckler & Koch
$44.95HK P30 Series Right Slide Release LeverHKP-01880$44.95