Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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On Sale
HK416, MR556 ARC-Fire Mil-Spec Selector - V2 - Long Ambi
AS Designs
Now: $11.66Was: $12.95AS Designs V2 Long Ambidextrous Mil-Spec Selector Lever for HK416 and MR556 ARC-FIRE Triggers Replacement long ambidextrous mil-spec selector lever for AS Designs V2 ARC-FIRE trigger systems. ReplaHKP-22809Now: $11.66Was: $12.95 -
On Sale
HK USP Magazine - .40 S&W - 10 Round - USED
H&K Heckler & Koch
Now: $36.71Was: $58.95Heckler and Koch 10 Round .40 S&W Magazine for USP40 USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Heckler and Koch 10-round magazine for full-size...HKP-01205-USEDNow: $36.71Was: $58.95 -
On Sale
HK91, G3 Trigger Pack - Semi-Auto - Ambi
HKP HK Parts / Heckler & Koch
Now: $297.46Was: $349.95HKP Ambidextrous Semi-Auto Trigger Pack for HK91 and G3 - .308 HKP ambidextrous semi-auto trigger pack for HK91 and G3 pattern rifles in .308. Built from USA and German components, this steel trigger...HKP-22855Now: $297.46Was: $349.95 -
HK21, HK21E, HK11A1 Extractor Rebuild Kit - 21E and RCM 21-H Bolt Head
RCM
$79.95RCM Extractor Rebuild Kit for HK21, HK21E, HK11A1 and RCM 21-H Bolt Heads Extractor rebuild kit for RCM HK21, HK21E, and HK11A1 21-H bolt heads. Made in the USA from steel, this kit is designed to...HKP-22834$79.95 -
On Sale
HK SEF Trigger Housing - Semi-Auto
H&K Heckler & Koch
Now: $97.46Was: $169.95Heckler and Koch Semi-Auto SEF Trigger Housing Heckler and Koch semi-auto SEF trigger housing for compatible HK firearms. A factory-style housing option for builds, replacements, or repair projects...HKP-99472Now: $97.46Was: $169.95 -
HK VP9CC Grooved Pin For Ejector
H&K Heckler & Koch
$5.95HK VP9CC Grooved Pin For Ejector Factory HK grooved pin for the ejector assembly in HK VP9CC pistol. Compatible With: VP9CCHKP-22754$5.95 -
HK VP9CC Pressure Spring For Slide Release
H&K Heckler & Koch
$5.95HK VP9CC Spring for Slide Release Spring for the slide release for HK VP9CC pistol. Compatible With: VP9CCHKP-22747$5.95 -
HK VP9CC CLAMP SLEEVE FOR AXLE (FIRING PIN SAFETY)
H&K Heckler & Koch
$5.95HK VP9CC Clamp Sleeve Axle Firing Pin Safety Factory HK clamping sleeve axle designed for the firing pin safety mechanism on HK VP9CC. Compatible With: VP9CCHKP-22742$5.95 -
On Sale
HK MP5K, AP5-P Trunnion - 9mm
MKE
Now: $67.96Was: $79.95HK MP5K Trunnion Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5KHKP-22522Now: $67.96Was: $79.95 -
On Sale
HK MP5, 90 Series, AP5 Trigger
MKE
Now: $31.46Was: $34.95MKE AP5, MP5, 90 Series Trigger Steel trigger manufactured in Turkey for HK 90 Series roller-delayed firearms. Designed as a replacement component for compatible MP5 and related platforms. Compatible...HKP-22519Now: $31.46Was: $34.95 -
On Sale
HK MP5, AP5 Cocking Tube Support - Steel
MKE
Now: $62.96Was: $69.95MP5 & HK94 All Steel Cocking Tube Support Each cocking tube support comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic support found...HKP-22505Now: $62.96Was: $69.95 -
On Sale
HK USPC StippleTape Grip Wrap - 9mm / .40 S&W / .45 ACP
Volker Precision
Now: $18.00Was: $19.99HK USP Compact StippleTape Grip Wrap - 9mm / .40 S&W / .45 ACP- Volker Precision StippleTape textured rubber grips for HK USP Compact. The wrap fits neatly withing the existing texture recess on both...HKP-22504Now: $18.00Was: $19.99