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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HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
Out Of Stock
PTR Standard Stock Buttpad
PTR
$39.95HK U.S. Made Standard Stock Butt pad Perfect for A2 fixed stocks. This item is hard rubber and softer than a factory standard butt pad - that is hard plastic only and prone to cracking. Super durable and better than factory HK. This is the perfect...HKP-00375$39.95 -
Out Of Stock
HK33, HK53, HK93 Magazine Spring - 25 Round
H&K Heckler & Koch
$11.95HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.HKP-00483$11.95 -
HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm
H&K Heckler & Koch
$199.99HK Heckler and Koch's Flash Hider with 3-Lug Connection Fits all factory in-spec 3 Lug MP5 40,10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: MP5HKP-00442$199.99 -
HK416, MR556 ARC-Fire with Geissele Trigger - 3-Position - Ambi Controls
AS Designs
$689.95HK416, MR556 A4 3-Position ARC-Fire with Geissele*** Trigger and Ambidextrous Controls AS Designs' ARC-Fire (Active Reset Clutch) trigger is an innovative take on forced reset triggers. The trigger is reset immediately after each shot, resulting in...HKP-22435$689.95 -
Out Of Stock
HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi
H&K Heckler & Koch
$177.95H&K MR556/MR762 Ambi Slimline Buttstock Snap Hook Adapter Genuine H&K snap hook adapter designed to provide ambidextrous sling attachment points for MR556 and MR762 slimline buttstocks. Compatible With: HK416, MR556, MR223 slimline...HKP-22100$177.95 -
HKP Bench Mat - Bundesadler
HKP HK Parts
$24.95HKP Bench Mat - Bundesadler The HK Parts bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch. The soft top protects your gun from scratches while the rubber backing protects your work surface from...HKP-21845$24.95 -
HK VP9, P30 Enhanced Magazine Extension Kit +7
HKP HK Parts
$64.95Magazine Extension Kit +7 - HK VP9, HK P30 Our enhanced magazine extension takes our proven design to the next level with innovative grip cuts, ensuring you maintain a secure grasp during rapid magazine swaps even in slippery conditions. Experience the...HKP-21592-M$64.95 -
Out Of StockOn Sale
HK21 Drum Hanger
HKP HK Parts
Now: $164.95Was: $195.95HKP HK21 Drum Hanger Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and parkerized for a durable finish. A lower cost alternative to the discontinued factory hanger, the HK Parts drum hanger is built for...HKP-21453Now: $164.95Was: $195.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Labeled
KCI
$44.95KCI 30 Round HK MP5 Supersonic Labeled Magazine Each 9mm Magazine Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All...HKP-21130$44.95 -
HK90 Series Trigger - Refinished
H&K Heckler & Koch
$19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-20678$19.95 -
HKP 2 Point Leather Sling - Brown
HKP HK Parts
$49.952 Point Leather Sling - 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. Made in the USA from quality leather and hardware for...HKP-20162$49.95