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 P30SK Firing Pin Safety Spring
H&K Heckler & Koch
$5.99H&K P30SK Firing Pin Safety Spring Replacement firing pin safety spring for the P30SK. Maintains proper tension on the firing pin safety plunger to ensure safe and reliable function. Compatible With: HK P30SKHKP-21977$5.99 -
HK MR556, MR762 A4 Disconnector
H&K Heckler & Koch
$18.95H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms. Compatible With: HK MR556 A1/A4 HK MR762 A1/A4HKP-21969$18.95 -
HK SL8-1 Locking Lever Spring - Elbow
H&K Heckler & Koch
$9.95HK SL8-1 Locking Lever Elbow SpringHKP-16398$9.95 -
$15.99 -
HK Mark 23 Decocker C-Clip
H&K Heckler & Koch
$19.95HK Mark 23 Decocking C-Clip (Lock Washer)HKP-01629$19.95 -
HK P30 V3 Series Hammer
H&K Heckler & Koch
$55.95HK P30 V3 Series Hammer New German HK production. Compatible With: HK P30 V3 HK P30L V3 HK P30LS V3 HK P30SK V3HKP-02503$55.95 -
HK USP Old Style Catch
H&K Heckler & Koch
$39.95HK USP Old Style Catch Compatible With: HK USP 9mm HK USP 40HKP-01932$39.95 -
HK USP Buffer Spring Retainer
H&K Heckler & Koch
$6.95H&K HK USP Buffer Spring Retainer Compatible With: HK USP 45 HK USP 40 HK USP 9mmHKP-16232$6.95 -
HK416, MR556 Firing Pin Catch - Titanium
HKP HK Parts
$49.95HKP HK Parts HK416 and HK MR556 Firing Pin - Titanium Made in the US from grade 6 Titanium. Get the lightest, strongest firing pin available for your HK firearm. Compatible With: HK416, MR556 HK M27HKP-17767$49.95 -
Out Of Stock
HK G36, SL8 Piston Rod Spring
H&K Heckler & Koch
$9.99Heckler and Koch Piston Rod Spring for HK G36 and HK SL8 A must-have spare repair and replacement part. New HK German factory part. Compatible With: G36 SL8HKP-01863$9.99 -
HK CC9 Firing Pin Safety
H&K Heckler & Koch
$18.95H&K CC9 Firing Pin Safety Made by H&K, the firing pin safety for the CC9 blocks firing pin movement until the trigger is pulled. Compatible With: HK CC9HKP-22133$18.95 -
HK CC9 Extractor Buffer
H&K Heckler & Koch
$5.95H&K CC9 Extractor Buffer Made in Germany by H&K, the extractor buffer for the CC9 cushions extractor movement and reduces wear during cycling. Compatible With: HK CC9HKP-22131$5.95