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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HK416, MR556, HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95HK MR556, HK 416 & MR762 & 417 Magazine Catch Spring HK German manufacture. Compatible With: HK MR556 HK 416, M27 HK MR762 HK 417, 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 -
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...HKP-02792$69.95 -
HK MP5, MP5K, G36, HK33, HKK53, HK93, HK417 Magazine Release Bushing - Full Auto
MKE
$2.59MKE HK MP5/MP5K Magazine Release Bushing This part is for use in all 90-series H&K weapon systems and is used for installing a paddle mag release. This is not for use on semi-auto HK builds. This part is intended for full-auto conversions only...HKP-22283$2.59 -
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 -
Out Of Stock
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 -
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 -
HK45, HK45 Compact, USP Trigger Bar Detent
H&K Heckler & Koch
$5.95Trigger Bar Detent Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP All USP Tactical, Elite & Expert...HKP-01922$5.95 -
Out Of Stock
HK33, HK53, HK93 Extractor
H&K Heckler & Koch
$67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.HKP-00189$67.95 -
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 G36C Gas Piston Rod and Spring - Complete Assembly
GSG9
$82.95HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.HKP-18250$82.95 -
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