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 MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.$4.95 -
Out Of Stock
HK45 Series, USP, USP Compact Series Complete Sear
H&K Heckler & Koch
$43.95Complete Sear Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C Tactical$43.95 -
HK VP9, VP9SK, HK VP40 Disconnector
H&K Heckler & Koch
$19.95Disconnector For HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40$19.95 -
HK USP Spring Retainer - Front Recoil
H&K Heckler & Koch
$14.95H&K HK USP Recoil Spring Washer Retainer This is the tapered washer that supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical Models HK Elite, Expert,...$14.95 -
Out Of Stock
HK P2000, USP Compact Firing Pin - New Style
H&K Heckler & Koch
$74.95HK P2000/USPC New Style Firing Pin Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK P2000 9mm HK P2000 40 S&W HK P2000 357 SIG HK P2000SK 9mm HK P2000SK 40 S&W HK P2000SK 357 SIG$74.95 -
Out Of Stock
HK MP5, MP5K Extractor - Enhanced Coated Polish
HKP HK Parts
$44.95HKP HK MP5/MP5K Extractor - Enhanced Coated Polish Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible...$44.95 -
HK VP9, VP9SK, VP40 Insert
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK, HK VP40 Insert Insert for HK VP9, VP40. Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40$24.95 -
HK USP Slide Release Lever
H&K Heckler & Koch
$59.95HK USP Slide Release Lever Compatible With All USP Full Size Pistols & All USP Full Size Variants Below: USP 45 USP 40 USP 9mm USP Tactical (all calibers) USP Expert (all calibers) USP Elite (all calibers)$59.95 -
HK UMP, USC Extractor - .45 ACP
H&K Heckler & Koch
$49.95New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once it is removed from the...$49.95 -
Out Of Stock
HK G36 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8$5.95 -
$7.95 -
HK USP Compact Right to Left Handed Control Lever V2, V6, V10
H&K Heckler & Koch
$39.95For Variant 2, 6, And 10 - Right Side Selector Lever For Left Handed Shooter The lever you need to swap right to left-handed Compatible With: HK USP Compact 9mm HK USP Compact .40 Cal / .357 Sig HK USP Compact .45 Cal HK USPC...$39.95