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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HK416, MR556, HK417, MR762 Handguard Locking Screw
H&K Heckler & Koch
$16.95HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. Compatible With: HK HK416 HK MR556 HK HK417 (2 required per handguard) HK MR762 (2 required per handguard)$16.95 -
HK416, HK417, MR556, MR762 Disconnector
H&K Heckler & Koch
$18.95H&K HK MR556/MR762/416/417 Disconnector For Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK 416/417 family of firearms. Compatible With: HK MR556 HK 416 HK MR762 HK 417 Please Note: HK...$18.95 -
HK G36, SL8 Retaining Pin And O-Ring
H&K Heckler & Koch
$11.95Retaining Pin For Firing Pin Complete With O-Ring Compatible With: HK G36 HK SL8$11.95 -
HK Mark 23 Rear Sight Retaining Screw
H&K Heckler & Koch
$19.95HK Mark 23 Rear Sight Retaining Screw$19.95 -
HK P30 Series Right Slide Release Lever
H&K Heckler & Koch
$44.95HK P30 Series Right Slide Release Lever$44.95 -
HK UMP, USC Cocking Lever Support Tube
H&K Heckler & Koch
$19.95HK UMP & USC Cocking Lever Support Tube$19.95 -
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 F HK VP9A1 K HK VP40$5.95 -
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: USP 9mm & USP Compact 9mm USP 40 & USP Compact...$59.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Disconnector Spring - Short
H&K Heckler & Koch
$4.95H&K HK MR556/MR762/416/417 Disconnector Spring - Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417$4.95 -
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.$74.95 -
Out Of Stock
HK -2 Roller For Bolt Head 7.98mm - Under-sized
H&K Heckler & Koch
$19.95H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...$19.95 -
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...$104.95