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 USP, USP Compact, P2000 Magazine Release Lever
H&K Heckler & Koch
$12.95HK Magazine Release Lever Compatible With: HK USP .45 HK USP .40 HK USP 9mm HK USP Compact 9mm HK USP Compact .357 SIG HK USP Compact .40 HK USP Compact .45 HK USP Tactical, Elite, Expert both full size & compact HK P2000 9mm & .40/.357 HK...$12.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
H&K Heckler & Koch
$20.95HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP models$20.95 -
HK MP5, SP89, HK91, HK93, HK94 Grip Screw
H&K Heckler & Koch
$8.95H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89$8.95 -
HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm
H&K Heckler & Koch
$64.95German HK MP5, MP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Factory German Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5, 94, HK SP5 MP5K, SP89,...$64.95 -
HK VP9, VP9SK, VP40 Sear Spring
H&K Heckler & Koch
$9.95H&K VP9/VP9SK, VP40 Catch Pressure Spring Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40$9.95 -
HK G36, SL8 Ambidextrous Sling Pin
H&K Heckler & Koch
$49.95HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.$49.95 -
HK Mark 23 Ejector Roll Pin
H&K Heckler & Koch
$6.95HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.$6.95 -
Out Of Stock
HK MP5, MP5K, HK94K, SP89, SP5K - Tac Latch
Other
$69.95New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89 & SP5K Family Of Firearms HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto...$69.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...$27.95 -
HK VP9, VP9SK, VP40 Trigger Bar Spring - Complete
H&K Heckler & Koch
$51.95H&K HK VP9/VP9SK, HK VP40 Complete Trigger Bar Form Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40$51.95 -
HK UMP, USC Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USC$7.95 -
HK G36K Rod and Spring - Gas Piston - Assembly
H&K Heckler & Koch
$89.95New HK German G36K Gas Piston Rod/Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion.$89.95