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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HK416, MR556 Enhanced Field Cleaning Kit
H&K Heckler & Koch
$169.95HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...HKP-17061$169.95 -
HK416, MR556 Firing Pin Catch
H&K Heckler & Koch
$19.95Heckler and Koch HK MR556/416 Firing Pin Catch Compatible With: HK MR556 HK 416HKP-16846$19.95 -
On Sale
HK21, HK21E, HK23E, HK11A1 Barrel Handle
Michaels Machines
$59.95 - $66.95HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle. A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5.56 and .308 platforms. Compatible...HKP-00244-M$59.95 - $66.95 -
On Sale
HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style
HKP HK Parts
Now: $174.95Was: $199.95HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm. Each assembly includes...HKP-16255Now: $174.95Was: $199.95 -
On Sale
HK MP5K Weldment Set, Complete
Now: $50.95Was: $59.95MP5K Complete Weldment Set Each set of weldments is all of the weldments required for an MP5K flat. Includes: Rear sight base Sight tab Case deflector Semi auto shelf Side reinforcement tabs 2 X rear stock bushingsHKP-16231Now: $50.95Was: $59.95 -
Out Of Stock
HK MP5 Tri-Rail Handguard - TL-99A1
B&T Brugger & Thomet
$234.95B&T Brugger and Thomet TL-99A1 Tri-Rail Handguard for HK MP5 This handguard for the MP5 has a total of three NAR-Picatinny Rails; one on each side and one on the bottom. Specifications: Color: Black Height max: 55.8 mm Length max: 164...HKP-16904$234.95 -
On Sale
Picatinny Optic Mount - 30mm Barrel Mount - Dual Rail
HKP HK Parts
Now: $4.95Was: $14.9530mm Barrel Mount, Dual Picatinny Rail Universal barrel mounted dual Picatinny for mounting accessories directly to barrels with a 30mm O.D. Features: Mounts directly to the barrel 4 screws supplied for a secure fit Double sided Picatinny...HKP-16674Now: $4.95Was: $14.95 -
HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
HKP HK Parts
$0.00HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22454-M$0.00 -
Out Of Stock
HK VP9, P30 Magazine Base Pad - Hard Duty
Grayguns
$22.00The Grayguns HK VP9 and P30 Magazine Base Pads are designed for hard-duty use. The base pads are manufactured from 6061 Aluminum and professionally finished with MIL-A-8625 Type III anodized coating. Pads go through a glass-beading process...HKP-22344$22.00 -
On Sale
HK MP5, AP5 Firing Pin
MKE
Now: $11.95Was: $14.95MKE HK MP5/AP5 Firing Pin - 9mm MKE firing pin for HK MP5 platforms. Compatible With: HK MP5/SP5 Century Arms AP5/AP5P Zenith ZF-5/ZF-5K PTR 9CT/9KTHKP-22243Now: $11.95Was: $14.95 -
On Sale
HK CC9 Holster - eV2 Max - RH
Comp-Tac
Now: $58.95Was: $69.95Comp-Tac HK CC9 eV2 Max Holster - Right Hand The Comp-Tac® eV2™ Max Holster offers enhanced comfort and versatility for everyday carry. Built with a two-ply leather backing, it provides a smooth feel against the skin while maintaining the...HKP-21923Now: $58.95Was: $69.95 -
On Sale
HK USP MOD 1 Compensator - 9mm, .40 S&W
HKP HK Parts
Now: $143.95Was: $179.95HK Parts MOD 1 Compensator for HK USP 9/40 The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target...HKP-21905Now: $143.95Was: $179.95