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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HK33, HK53, HK93 A3 Telescopic Stock - OD Green
MKE
$259.95MKE Telescopic Stock in OD GREEN for HK33, HK53, HK93 The MKE telescopic HK33 stock is an easy-to-install telescopic stock system designed to deliver superior comfort and reliable weapon control...HKP-21181$259.95 -
On Sale
HK45 Holster - Comp Carry
Comp-Tac
$50.97 - $79.95Comp-Tac HK 45 Full Size Comp Carry Holster This custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight...HKP-20585-M$50.97 - $79.95 -
HK MP5, HK53 Handguard - Tri-Rail
B&T Brugger & Thomet
$275.00B&T MP5, HK53 Tri-Rail Handguard The B&T handguard 3x NAR is a modular forend system designed for the HK MP5 submachine gun. It offers a versatile and customizable mounting platform for various...HKP-16885$275.00 -
On Sale
HK MP5K, SP5K Folding Brace
B&T Brugger & Thomet / SB Tactical
Now: $215.96Was: $239.95Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding...HKP-19356Now: $215.96Was: $239.95 -
Out Of Stock
HK417, MR762, G28 Slim Line Retractable Buttstock
H&K Heckler & Koch
$86.95H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417,...HKP-17135$86.95 -
Out Of Stock
HK91, G3 Fixed Complete, Complete - Surplus
H&K Heckler & Koch
$129.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts...HKP-18936$129.95 -
On Sale
HK91, G3, PTR Magazine Floorplate - 7.62x51 / .308 - 20 Round
Now: $17.96Was: $19.95HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate USA made floor plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made in the USA and counts as one US...HKP-18921Now: $17.96Was: $19.95 -
HK VP9, P30 Magazine Spring - 17 Round
HKP HK Parts
$8.95Extended Magazine Spring - HK 17 Round Magazine For Use With The +4 or+5 Extension - HK VP9, HK P30 This Extended Magazine spring fits VP9 and P30 9mm 17 round magazines with the HK Parts +4 and +5...HKP-19297$8.95 -
HK Claw Mount Screw for Optics and Rails
H&K Heckler & Koch
$3.95H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus...HKP-17921$3.95 -
On Sale
Sig Sauer P320 M17 Compensator
HKP HK Parts
Now: $89.96Was: $189.95HKP SIG P320 M17 Compensator Our P320 M17 compensator reduces recoil and muzzle flip. Each unit is 100% US-made and finished in durable black cerakote. Our M17 compensator features a Picatinny rail...HKP-21123Now: $89.96Was: $189.95 -
On Sale
HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $74.96Was: $169.95HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the...HKP-19470Now: $74.96Was: $169.95 -
Out Of Stock
HK416, MR556 Buffer Tube Castle Nut - A5 Extended
H&K Heckler & Koch
$75.95Heckler and Koch A5 Factory German Extended Castle Nut for HK416 and HK MR556 Original HK Factory German steel 416 A5 Extended Castle Nut. Perfect for MR556, HK 416 A5 builds, or upgrades.HKP-19164$75.95