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 P2000SK Magazine - 9 Round - .40 S&W & .357 Sig
H&K Heckler & Koch
Now: $39.95Was: $49.00HK P2000SK 9 Round Magazine - .40 S&W and .357 Sig This magazine holds 9 rounds of .40 S&W ammunition with a flat floorplate. Great magazine for concealed carry use. Compatible With: P2000SK .40 P2000SK .357 SigHKP-02489Now: $39.95Was: $49.00 -
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 -
Out Of Stock
HK USPC, P2000 Magazine Body - 9mm - 13 Round
H&K Heckler & Koch
$27.9513 Round HK USPC & P2000 9mm Magazine Body Each unit comes with the LEO markings on the mag body. Compatible With: USPC 9mm P2000 9mmHKP-02502$27.95 -
HK91, G3 Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...HKP-01951$179.95 -
HK VP9SK Tactical Complete Recoil Spring Assembly
H&K Heckler & Koch
$89.95HK German VP9SK - Recoil Spring Assembly Complete New recoil spring assembly for all HK VP9SK models. Made in Germany. Compatible With: HK VP9SK Tacticalhkp-18384$89.95 -
HK/HKP 22 Round HK VP9SK/P30SK Magazine Complete
HKP HK Parts / Heckler & Koch
$89.9522 Round Magazine with Black +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 22 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...HKP-20067$89.95 -
Out Of Stock
HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...HKP-19026$69.95 -
HK416 A5, MR556 A4 Gas Vent Screws - 1.0-2.5mm
H&K Heckler & Koch
$31.99H&K MR556 A4 and HK416 A5 Gas Vent Screws German gas vent screw for MR556 A4 gas block. Specifications: Factory reference: 1.3mm is the common factory vent screw size for MR556 A4 Sizing reminder: Larger mm equals more venting, Smaller mm equals...HKP-22470-M$31.99 -
On Sale
HK MP5, AP5 Slimline Handguard
MKE
Now: $33.71Was: $44.95MKE AP5/MP5 Slimline Forearm The classic and rare slimline style hand guard crafted by MKE in Turkey is specifically designed for the Century AP5, MP5, and other in-spec clones. The original HK design was Introduced in the late 60s and widely used until...HKP-22222Now: $33.71Was: $44.95 -
HK USP Full Size Optic Plate - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Sight
Evolution Gun Works
$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-20046$49.95 -
HK45, HK45 Compact, USP Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95H&K HK USP/45/45C Trigger Bar Detent Spring This is a common replacement part as it can become worn or lost. Compatible With The Newer Style HK45 & HK45C Models: HK45, HK45 Tactical HK45C, HK45C Tactical Compatible With The HK USP...HKP-01254$5.95 -
HK UMP Magazine Block - .45 ACP - 25 to 10 Round Conversion
HKP HK Parts
$9.95HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...HKP-18171$9.95