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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HK53 Cocking Tube
HKP HK Parts
$139.95HKP 53 (5.56/.223) Cocking Tube New cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory-correct HK53 cocking tube available, as HK Germany does not offer this part separately...HKP-00197$139.95 -
Picatinny Vertical Foregrip - LED Light - Quick Detach
UTG
$105.95UTG Vertical Grip With LED Light & Quick Detach Mount Features: UTG combat aluminum foregrip with integral LED flashlight Cree Q5 LED diodes Integrated reflector and light bulb to provide instant spot focus for clear object...HKP-13184$105.95 -
Out Of Stock
HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...HKP-19026$69.95 -
HK91, G3 Enhanced Extractor
H&K Heckler & Koch
$18.95HK German HK G3, HK, 91 & PTR 91 .308 Enhanced Extractor New HK German extractors! We have a limited supply of top-notch new old stock extractors available at unbeatable prices. Each extractor features a micro-polished face for enhanced reliability...HKP-22070$18.95 -
On Sale
HK VP9, VP9L Optic Plate Cover - Filler Plate
HKP HK Parts
$19.09 - $29.95HK VP9 & VP9L Optic Ready Slide Filler Plate - Aluminum Each plate is CNC machined from a solid billet of aircraft-grade aluminum and anodized black. Ultra lightweight and contoured to match the profile and styling of the HK VP series slide. Made in...HKP-21077-M$19.09 - $29.95 -
HK VP9, P30 +15 Magazine Extension
HKP HK Parts
$22.95 - $29.95HKP HK VP9/P30 +15 Magazine Extension The HK Parts manufactured HK pistol mag extension allows the user to convert existing VP9, P30, P2000, & USPC magazines to an enhanced magazine capacity. Each mag extension is made from next-generation enhanced...HKP-16857-M$22.95 - $29.95 -
HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
HKP HK Parts
$49.952 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...HKP-20271$49.95 -
HK G36 Magwell - 10, 30, 100 Round
GSG9
$58.95GSG9 HK G36 Magwell Allows use of all factory G36 & Magpul G36 magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Made from high impact polymer. Compatible With: HK G36 HK G36K HK G36C Clones or other customer buildsHKP-18220$58.95 -
HK45 Thread Protector - 16x1 LH - Titanium
$24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...HKP-17942$24.95 -
HK USP Extractor - Full Size - 9mm, .40 S&W
H&K Heckler & Koch
$54.95Heckler and Koch 9mm and .40 S&W Extractor for Full Size HK USP New HK German. A great spare and replacement item for your USP 9mm or USP .40 pistol. Compatible With: USP USP Tactical USP Expert USP EliteHKP-00324$54.95 -
HK MP5K, SP5K Trigger Housing - SEF Universal - 9mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch 9mm SEF Trigger Housing for HK MP5K and HK SP5K A one-size-fits-all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers. Easily interchange the lower trigger group assembly...HKP-20557$199.95 -
HK45, HK45C, USP, USPC, P2000 Shaped Spring - Slide Release
H&K Heckler & Koch
$5.95HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible With: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...HKP-01260$5.95