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 P7 Series Button Spring - Slide Removal
H&K Heckler & Koch
$7.95HK P7 Series Slide Removal Button Spring This item is no longer in production. Get it while it's still available. Compatible With: PSP P7M8 P7M10 P7M13$7.95 -
HK45, HK45 Compact V2 Right Side LH Lever
H&K Heckler & Koch
$31.95HK 45 & 45C V2 Right Side LH Lever This is the control lever for left-hand shooters. This would be the lever on the right side of the frame for left-hand shooters. The V2 left lever will allow for both the safety...$31.95 -
HK G36, SL8 Pin - Axle - Cocking Handle - US
$10.95HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 models$10.95 -
HK USC/UMP (.40 S&W) Extractor
H&K Heckler & Koch
$54.95HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...$54.95 -
HK End Cap - Detent - Cocking Tube
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.$4.95 -
Out Of StockOn Sale
AR-15 Firing Pin - Enhanced
Tactical Precision MFG
Now: $11.96Was: $24.99TPM AR-15 Enhanced Firing Pin These AR-15 firing pins are precision machined using CNC Swiss turning centers. The titanium AR-15 firing pin is made from Grade 6 titanium which has an ultimate tensile strength of 140,000 psi. titanium is 40% lighter than...Now: $11.96Was: $24.99 -
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