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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK MP5SD Barrel - 9mm - Threaded 18x1
HKP HK Parts
$169.95HKP MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from 416 stainless steel, this high-quality barrel undergoes the highly desirable nitride process for a super hard, durable finish. Precision...HKP-17755$169.95 -
HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle
MKE
$32.95MKE Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 Upgrade your rifle with MKE's anti-rattle style paddle mag release.HKP-99348$32.95 -
On Sale
HK MP5, AP5 End Cap - Complete
MKE
Now: $48.71Was: $89.95MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an...HKP-22258Now: $48.71Was: $89.95 -
On Sale
HK416, MR556 Flash Hider - 3 Prong - Threaded 1/2x28
B&T Brugger & Thomet
Now: $70.00Was: $100.00Brugger and Thomet Assault 3 Prong Flash Hider - 1/2x28 3-Prong muzzle device with 1/2x28 threading, designed to reduce muzzle flash and improve shooting performance. Features: High performanHKP-22216Now: $70.00Was: $100.00 -
On Sale
Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED
Other
Now: $19.66Was: $49.95Super Slim Picatinny Riser Mount - 4 Slots - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...HKP-99229-MNow: $19.66Was: $49.95 -
HK USP 11mm Front Sight
H&K Heckler & Koch
$37.95H&K HK USP 11mm Front Sight Built for a clear, consistent sight picture and improved target alignment.HKP-21996$37.95 -
On Sale
HK416 A5 Bolt Carrier - Complete
H&K Heckler & Koch
Now: $1,945.00Was: $2,349.95German H&K HK 416 A5 Bolt Carrier Complete Get your hands on that critical puzzle piece for your factory-correct 416A5 build. Fully assembled and ready to drop into your uper receiver. Bolt caHKP-21500Now: $1,945.00Was: $2,349.95 -
On Sale
Ballista First Responder Knife - HK Pouch
Hogue
Now: $127.46Was: $239.95Heckler and Koch and Bogue Ballista First Responder Knife - 3.5" Drop Point Blade - Black Cerakote Features: Frame: red and black chromacut Deep carry pocket clip (right or left handed,HKP-21349Now: $127.46Was: $239.95 -
HK G3 Recoil Rod - Demilled
H&K Heckler & Koch
$18.54H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect...HKP-21298$18.54 -
On Sale
HK VP9L Railok™ Threaded Barrel Compensator
HKP HK Parts
Now: $97.46Was: $189.95HK Parts Railok™ Mounting System Threaded Barrel Compensator: H&K VP9L The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice...HKP-21263Now: $97.46Was: $189.95 -
On Sale
PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
Now: $79.16Was: $87.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional...HKP-21104Now: $79.16Was: $87.95 -
Out Of Stock
HK UMP .40 - 30 Round Magazine - Used
H&K Heckler & Koch
$49.9530 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With:HKP-20816$49.95