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 UMP, USC Hammer Spring - Right
H&K Heckler & Koch
$14.95HK UMP & USC Right Side Hammer Spring For LowersHKP-01892$14.95 -
HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...HKP-01758$119.95 -
HK MP5, HK91, G3, HK33, HK53, HK93 A3 Stock Locking Lever with Spring
H&K Heckler & Koch
$199.95HK MP5, HK91, G3, HK33/53/93 A3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR) HK G3, HK91 HK33, HK53, HK93HKP-02560$199.95 -
HK P7, P9 Firing Pin
H&K Heckler & Koch
$79.95H&K Firing Pin 9mm Short/7.65mm - HK P7/P9 Ensures reliable ignition by striking the cartridge primer during firing. Compatible With: HK P7/P9HKP-22231$79.95 -
On Sale
HK MP5 40/10 Standard 8mm Roller - BLEMISHED
H&K Heckler & Koch
Now: $12.95Was: $20.95H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-00338-BNow: $12.95Was: $20.95 -
HK CC9 Trigger Pin
H&K Heckler & Koch
$5.95H&K CC9 Trigger Pin This genuine H&K CC9 trigger pin secures the trigger assembly within the frame. Compatible With: HK CC9HKP-22123$5.95 -
HK CC9 Sear Pin
H&K Heckler & Koch
$5.95H&K CC9 Sear Pin Made in Germany by H&K, this sear pin for the CC9 pistol secures the sear within the fire control assembly. Compatible With: HK CC9HKP-22119$5.95 -
HK CC9 Sear
H&K Heckler & Koch
$19.95H&K CC9 Sear Made in Germany, this sear for the CC9 pistol engages and releases the hammer during the firing cycle. Compatible With: HK CC9HKP-22116$19.95 -
On Sale
HK Incomplete Ambidextrous Selector Axle - Gunsmith Special
HKP HK Parts
Now: $6.95Was: $14.95HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...HKP-99135Now: $6.95Was: $14.95 -
HK SL8-1 Locking Lever - Complete
H&K Heckler & Koch
$39.95H&K HK SL8-1 Complete Locking Lever Heckler & Koch USC & SL8-1 Complete Locking Lever is a top-tier, factory original component crafted from robust black polymer. This German-made part is specifically engineered for the HK SL8, USC, and UMP...HKP-16375$39.95 -
HK417, MR762 Charging Handle Latch Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417HKP-16600$9.95 -
Out Of Stock
HK P7 Series Disconnector, Sear Control Lever
H&K Heckler & Koch
$49.95HK P7 Series Disconnector, Sear Control Lever New HK German factory part. Compatible With: PSP P7M8 P7M10 P7M13HKP-01308$49.95