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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HK VP9, P30 Magazine Floorplate - 9mm - 10 Round
H&K Heckler & Koch
$17.95HK VP9 & P30 9mm Magazine Floor Plate For 10-Round Mag New HK German production. 10-round floorplate with tabs for the 10-round HK P30/VP9 magazine. A must-have spare replacement part as the tabs are a common wear and breakage part on the...HKP-02569$17.95 -
Out Of Stock
HK416, MR556 Buttstock - Factory E1 Style - Commercial
H&K Heckler & Koch
$199.95H&K HK MR556/416 Commercial Factory E1 Stock HK 416 factory German E1 Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO LONGER OFFERED...HKP-15426$199.95 -
G36, SL8 Bolt Head Ejector Pin
H&K Heckler & Koch
$7.95Bolt Head Ejector Pin For G36 & SL8 This item is the pin that holds the ejector & ejector spring in place. It is a common wear and replacement item and a must-have when doing bolt head maintenance.HKP-01876$7.95 -
HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP
H&K Heckler & Koch
$9.95HK German UMP Floorplate For All UMP Magazines Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.HKP-16493$9.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Flip Up Rear Sight - 2mm
HKP HK Parts
$139.95HK 416, MR556 & MR762, 417 Flip Up Rear Sight Diopter 2mm Sight Attaches to any standard picatinny rail. No hardware needed as this is a self-contained quick attach rear sight assembly. This unique sight features a quick & easy push button...HKP-17717$139.95 -
HK MP5 2-Stage Trigger Group - 9mm - Complete
Timney Triggers
$478.95Timney HK MP5 Trigger - 9mm - 2 Stage - Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...HK-20511-M$478.95 -
HK MP5 Receiver Flat - 9mm
HKP HK Parts
$189.95HKP HK MP5 9mm Receiver Flat New MP5 receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier flat...HKP-20921$189.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Subsonic Pew Pew
Zenith
$43.95Zenith 30 Round HK MP5 Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20829$43.95 -
HK USP 9/40 Compensator for Threaded Barrel
HKP HK Parts
$199.95HKP HK USP 9/40 Compensator for Threaded Barrel The HK Parts USP 9/40 compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...HKP-20820$199.95 -
HK33, HK93, G3 Front Sight Tower Assembly
HKP HK Parts
$49.87HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the...HKP-17830$49.87 -
HKP Shirt - Short Sleeve - OD Green
HKP HK Parts
$14.95HKP Short Sleeve Shirt - OD Green Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Unisex fit Fine cotton High fidelity DTG printing Official...HKP-21023-M$14.95 -
HK45C Grip Wrap - Granulate
Talon Grip
$19.99TALON Grip - HK45C - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol...HKP-20259$19.99