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
B&T USW A1 Complete Folding Stock Assembly
B&T Brugger & Thomet
Now: $113.72Was: $162.45B&T USW A1 Complete Folding Stock Assembly Swiss B&T manufactured tactical folding stock assembly. Includes polymer stock and all four hardware pieces as shown. Compatible With:HKP-18356Now: $113.72Was: $162.45 -
On Sale
HK VP9, VP40 Grip Wrap - Rubber - Medium Backstrap
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K VP9, VP40 - Rubber Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm, improving performance, safety, and...HKP-20246Now: $18.00Was: $19.99 -
Out Of Stock
HK USPC, USPC Tactical Barrel - .45 ACP - 4.47" - Threaded 16x1 LH
RCM
$250.00RCM HK USPC .45 ACP Barrel - Threaded 16x1 LH HK USPC .45 ACP & HK USPC Tactical .45 ACP barrel with 16x1 threaded design, compatible with various flash hiders and sound suppressors. Unlike the...HKP-20129$250.00 -
On Sale
HK33, HK93, G3K M-LOK Modular Handguard
DTAC Dakota Tactical
Now: $170.96Was: $189.95DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this...HKP-20015Now: $170.96Was: $189.95 -
HK VP9, VP9SK, VP40 Sear Release Catch Cylindrical Pin
H&K Heckler & Koch
$6.95Cylindrical Pin For Sear Release Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HHKP-16803$6.95 -
HK P30L Recoil Rod Bushing Sleeve
H&K Heckler & Koch
$39.95HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40HKP-02435$39.95 -
Out Of Stock
HK P30 Series Grip Shell - Left - Large
H&K Heckler & Koch
$19.95Heckler and Koch Large Left Grip Shell for HK P30 Series Compatible with: P30HKP-01575$19.95 -
HK416, MR556 Ejector For Bolt Head
H&K Heckler & Koch
$23.95Heckler and Koch HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: HK MR556HKP-00037$23.95 -
HK416, MR556 DMR Extra Long Handguard
H&K Heckler & Koch
$859.95HK MR556/416 DMR Extra Long Forearm New Heckler and Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions...HKP-17683$859.95 -
On Sale
HK416, MR556 14.5" Super Modular Rail System - FDE
Geissele
Now: $494.96Was: $549.95Geissele HK416, MR556 14.5" Modular Rail - Desert Dirt Color (DDC) 13.625" overall length Geissele HK 416, MR556 free float rail with HK 416 14.5" barrel and MR 556 16.5" barreled upper. This is a...HKP-16462Now: $494.96Was: $549.95 -
HK416 Gas Block for 10.4" Barrels
H&K Heckler & Koch
$279.95Heckler and Koch HK German 10.4" Barrel Non-Vented Gas Block Complete Factory HK NON-VENTED 10.4" gas block.<HKP-01543$279.95 -
HK G36, SL8, HK417, MR762 Bolt Head Ejector
H&K Heckler & Koch
$9.95H&K HK G36/SL8/MR762/417 Bolt Head Ejector Compatible With: HK MR762HKP-01868$9.95