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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On Sale
HK VP9 Competition Magwell
HKP HK Parts
Now: $35.95Was: $44.95HKP HK VP9 Competition Magwell Speed up those mag swaps with the HK Parts competition magwell for the VP9. Crafted from billet aluminum in the US, these magwells are light and just the right profile to assist in reloads without creating excessive...HKP-22199-MNow: $35.95Was: $44.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...HKP-20345$59.95 -
On Sale
HK USP Full Size Optic Plate - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Sight
Evolution Gun Works
Now: $41.95Was: $49.95DELTAPOINT PRO SIGHT MOUNT FOR HK USP (FITS SHIELD RMS / RMSC / SMS | JPOINT | REDFIELD ACCELERATOR | AND OPTIMA) Included: Mounting hardware Compatible With: HK USP Tactical 9mm HK USP Tactical .45 ACP HK USP 9mm HK USP 40 S&W HK...HKP-20046Now: $41.95Was: $49.95 -
HK33, HK91, G3 Triple Frame Front Sight Tower
H&K Heckler & Koch
$19.95Front Sight Tower Triple Frame G3/33 - German G3 triple frame all steel factory German front sight tower. Perfect for HK builds as well as HK-AK style sight conversions and builds. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18778$19.95 -
HK Armorers Manual for Burst Trigger Groups
H&K Heckler & Koch
$19.95H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.HKP-00102$19.95 -
HK MP5 Retractable Buttstock - 4 Position - RAL8000
H&K Heckler & Koch
$764.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL 8000 color. The F stock is designed to take...HKP-21265$764.95 -
On Sale
Century Arms AP5-M, AP5-P Sling - Complete
MKE
Now: $24.95Was: $34.99MKE AP5-P Sling Complete Factory-original sling designed for Century Arms AP5-M and AP5-P pistols. Will work with HK SP5 or SP5k and any other in-spec pistol with sling hook attachment points. Features: Factory MP5K style Sling Fits AP5-M and AP5-P...HKP-21186Now: $24.95Was: $34.99 -
On Sale
HK Hoodie - Black
HKP HK Parts
Now: $33.95Was: $39.95HKP Hoodie - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this hoodie is certain to catch an eye at the range! Cotton High fidelity DTG printing Official HKP merchandise Note: These...HKP-21035-MNow: $33.95Was: $39.95 -
HK VP9SK Tactical Complete Recoil Spring Assembly
H&K Heckler & Koch
$106.99HK German VP9SK - Recoil Spring Assembly Complete New recoil spring assembly for all HK VP9SK models. Made in Germany. Compatible With: HK VP9SK Tacticalhkp-18384$106.99 -
On Sale
HK45C Rail Mount Compensator
HKP HK Parts
Now: $134.95Was: $189.95HKP HK45C .45 Rail Mount Compensator Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. NOT...HKP-20598Now: $134.95Was: $189.95 -
Out Of Stock
HK MP5 Surefire Lighted Handguard - 328LMF
Surefire
$649.95Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant...HKP-17632$649.95 -
HK MP5, HK94 Case Deflector Rivet
H&K Heckler & Koch
$9.95H&K MP5, HK94 Case Deflector Rivet Each case deflector, US or German-made, will require two rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right, these rivets are a must-have. These are...HKP-00147$9.95