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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Out Of Stock
HK USP, USP Compact Disconnector
H&K Heckler & Koch
$9.95HK USP & USPC Disconnector Compatible With: USP 45 USP 40 USP 9mm USPC 45 USPC 40 USCP 9mHKP-02685$9.95 -
HK G36 Disconnector Axle - 2 Round Burst
H&K Heckler & Koch
$10.95H&K G36 (5.56/.223) 2 Round Burst Disconnector AxleHKP-16350$10.95 -
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 -
HK MR762 A4 Gas Vent Screw - 1.0mm
H&K Heckler & Koch
$29.95H&K MR762 A4 1.0mm Gas Vent Screw German 1.0mm gas vent screw for MR762 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4HKP-21954$29.95 -
Out Of Stock
KNS Precision HK Push Button Take Down Pin - Large
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21388$24.99 -
Out Of Stock
HK UMP, USC & G36, SL8 Sear
HKP HK Parts
$14.95HK Complete Sear G36, UMP, USC, SL8 Made in the USA Compatible With: HK UMP HK USC HK G36 HK SL8HKP-19555$14.95 -
HK MR762 Drop Safety Catch Pin
H&K Heckler & Koch
$4.95H&K HK MR762 Drop Safety Catch Pin Compatible With: HK MR762HKP-16617$4.95 -
HK417, MR762 Handguard Pin - Grooved
H&K Heckler & Koch
$11.95H&K HK MR762, 417 Handguard Grooved Pin Hechler & Koch grooved pin for HK MR762 and HK 417 handguards. Compatible With: HK MR762 HK417HKP-16822$11.95 -
$24.95 -
HK Mark 23 Secondary Recoil Compression Spring
H&K Heckler & Koch
$19.95H&K HK Mark 23 Secondary Recoil Compression SpringHKP-16642$19.95 -
$13.95 -
HK P30SK Right Side Grip Panel - Small - Black
H&K Heckler & Koch
$14.95H&K P30SK Right Side Grip Panel - Small - Black Compatible With: HK P30SKHKP-18077$14.95