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 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 VP40HKP-16781$51.95 -
Out Of Stock
HK416, MR556 Ejection Port Cover Assembly
H&K Heckler & Koch
$89.95HK German HK 416, MR556 Ejection Port Cover Door Assembly Complete This is the newer polymer style cover found on the latest HK 416 and MR556's. This is the complete ejection port door assembly needed on all AR15 or MR556/HK416 models. Can also be used...HKP-16951$89.95 -
HK UMP, USC Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USCHKP-01885$7.95 -
HK USP 9mm, .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$64.95H&K HK USP 9mm/.40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item. Compatible With: HK USP 9mm HK USP .40HKP-01458$64.95 -
PTR Spec Tac Latch
Other
$69.95Tac Latch (latest Generation) PTR Spec - PTR .308 Firearms The new updated style of Tac latch is made specifically for the PTR 91 .308 receiver and will require very little modification to the firearm for installation. A major overhaul of the existing...HKP-17611$69.95 -
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.HKP-01816$6.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Catch Spring for HK 416, HK MR556 and HK417, MR762 HK German manufacture. Compatible With: HK416, MR556 M27 HK417, MR762 G28 AR15, M4, M16 firearmsHKP-02620$9.95 -
HK P30SK, P2000SK Hammer Spring
H&K Heckler & Koch
$9.95HK German Hammer Spring This spring is used with LEM and all standard models. Compatible With: P2000SK P30SKHKP-02598$9.95 -
HK45, P30, P2000, USP Stop Disc - Recoil Spring
H&K Heckler & Koch
$12.95HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK45, HK45 Tactical HK45 Compact, HK45 Compact Tactical USP Compact, USP...HKP-02428$12.95 -
HK USP, USP Compact Lanyard Loop Insert
H&K Heckler & Koch
$13.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mm HK USP Compact .40 / .357 HK USP Compact .45HKP-01935$13.95 -
HK MP5, HK94, MP5K, SP5K Tac Latch
Other
$69.95New Tac Latch (latest Generation) Paddle Style Magazine Release For The HK94, SP89, HK 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...HKP-02792$69.95 -
HK91, G3, PTR 91 Spare Parts Kit
HKP HK Parts / Heckler & Koch
$149.95HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required...HKP-20684$149.95