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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Out Of Stock
HK P30S, P30SK Detent Pin Compression Spring
H&K Heckler & Koch
$4.95H&K P30S/P30SK Detent Pin Compression Spring Compression spring for the detent pin on H&K P30 series pistols equipped with a manual safety. Designed to provide proper tension and reliable function...HKP-22030$4.95 -
Out Of Stock
HK417, MR762 Double Magazine Pouch
H&K Heckler & Koch
$129.95H&K HK 417 Double Magazine Pouch Factory HK double magazine pouch for the HK 417 and MR762 platforms chambered in .308/7.62x51. Compatible With: HK 417 MR762HKP-21800$129.95 -
On Sale
HK MP5 QD End Cap with Buffer - Black - BLEMISHED
HKP HK Parts
Now: $37.46Was: $99.95HK MP5 QD End Cap with Buffer - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. With this...HKP-20118-BNow: $37.46Was: $99.95 -
On Sale
HK USC, UMP Receiver Optic Rail - USED
Now: $39.71Was: $95.00HK USC, UMP Receiver Optic Rail - USED HK USC, UMP top Receiver Rail with mounting hardware. Used in working condition. Includes: Rail 2 mountiHKP-19616-USEDNow: $39.71Was: $95.00 -
Out Of Stock
B&T GHM Telescopic Stock Arm
B&T Brugger & Thomet
$40.00B&T GHM Telescopic Stock Arm Factory replacement telescoping stock arm for the GHM platform. Fits left or right side of stock. Compatible With: B&T GHM <HKP-21754$40.00 -
B&T Angled Foregrip - Picatinny
B&T Brugger & Thomet
$71.99B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the...HKP-21392$71.99 -
Out Of Stock
HK MP5 Magazine Locking Plate - 30 Round
KCI
$3.49KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5HKP-21377$3.49 -
HK MP5, SP5 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$1,899.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing 3 Position – pictogram – HK binary trigger groupHKP-19182-M$1,899.95 -
Out Of Stock
HK MP5, MP5K, G3 Night Sights
Trijicon
$159.95Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times...HKP-20325$159.95 -
On Sale
HK Single Point Leather Sling - OD Green
HKP HK Parts
Now: $31.84Was: $49.95Single Point Leather Sling - OD Green Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK...HKP-20163Now: $31.84Was: $49.95 -
HK VP9, P30, HK45 Night Sight - Tru Dot R4E
Meprolight
$189.95Meprolight R4E Night Sight for HK VP9 Rapid target acquisition is a critical component of defensive shooting. Designed by two highly experienced U.S. Special Forces veterans, the R4E Optimized Duty...HKP-19518$189.95 -
HK G36 Complete Full Auto Slide
H&K Heckler & Koch
$24.95H&K HK G36 Complete Full Auto SlideHKP-16360$24.95