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 Elbow Spring, Drop Safety
H&K Heckler & Koch
$6.95H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16835$6.95 -
HK P30, HK45, USPC Recoil Spring
H&K Heckler & Koch
$18.95New HK German Pistol Recoil Spring This part is ideal for repair or a replacement item as this is a high-wear item. This spring is the factory-correct flat-style compression spring. Compatible With: HK 45C, HK45C Tactical HK USPC .45, USPC Tactical HK...HKP-01673$18.95 -
HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
HKP HK Parts
$8.95HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5 New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...HKP-18210$8.95 -
Out Of Stock
HK416, MR556 Magazine Release Button
H&K Heckler & Koch
$16.95H&K HK MR556/416 Magazine Release Button New HK German Manufacture. Compatible With: HK MR556 HK416 AR15, M4 & M16 firearmsHKP-02656$16.95 -
HK416, MR556 Magazine Catch
H&K Heckler & Koch
$59.95H&K HK MR556/416 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK MR556 HK 416HKP-15458$59.95 -
HK45 Compact, USP Compact Recoil Spring Assembly
H&K Heckler & Koch
$89.95Recoil Spring Assembly Complete With Captive Spring, Buffer, and Guide Rod A must-have spare part for your HK compact .45 pistol. New HK German factory fresh manufacture. Compatible With: USP Compact 45 USPC Tactical HK45 Compact HK45C TacticalHKP-01457$89.95 -
HK VP9 Series Magazine Catch
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK, VP9 Match HK VP40, VP40 TacticalHKP-16817$24.95 -
HK33, HK33K, HK93 Recoil Spring
H&K Heckler & Koch
$8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom buildsHKP-02097$8.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01799$5.95 -
HK UMP, USC Firing Pin Assembly - Complete
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK MP5, MP5F Recoil Rod Assembly
HKP HK Parts
$49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for...HKP-17833$49.95