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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HK MP5, SP5, G36 Helmet Stock Cheek Support
B&T Brugger & Thomet
$168.00B&T Brugger and Thomet Helmet Stock Cheek Support for HK MP5, HK SP5, and HK G36 B&T cheek support for B&T helmet stocks. Compatible With: MP5, MP5K SP5, SP5KHKP-21684$168.00 -
On Sale
HK UMP 4 Prong Ported Flash Hider
HKP HK Parts
Now: $31.84Was: $49.95HKP HK UMP 4 Prong Ported Flash Hider 4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm...HKP-21578Now: $31.84Was: $49.95 -
Out Of Stock
HK G36 Flash Hider for M.A.R.S QD Suppressor
B&T Brugger & Thomet
$144.99B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor Specifications: Made in Switzerland Threaded 15x1 RH Does not include facHKP-21522$144.99 -
Out Of Stock
HK G36 C-Mag System - 100 Round Drum
Beta C-Mag
$839.95The Beta Company 100 Round Beta C-Mag Kit for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta...HKP-21205-M$839.95 -
On Sale
HK MP5KSD Rubber Grip Only - Barrel Shroud Handguard
HKP HK Parts
Now: $114.72Was: $179.95HK Parts replacement rubber grip for HK MP5KSD Barrel Shroud and Handguard (Rubber Grip Only) Perfect size handguard to pair with the HKP MP5K SD shrouds. Engages perfectly on the machined lugs of...HKP-20951Now: $114.72Was: $179.95 -
HK416, MR556 Handguard Front Sight - Folding
H&K Heckler & Koch
$134.95HK Heckler and Koch Folding Front Sight for HK416, and HK MR556 Handguards German HK built in folding front sight for the forearms and handguards.HKP-19462$134.95 -
HK G36C Handguard - Handstop and Heatshield
HKP HK Parts
$119.95HKP HK G36C Handguard with Hand Stop and Heat Shield New handguard with heat shield and hand stop fits all HK G36C's or SL8/G36 conversions sized for the G36C barrel. Each unit also features the hand...HKP-19302-M$119.95 -
Out Of Stock
HK SL8-1 Front Sight Holder - Incomplete
H&K Heckler & Koch
$34.95Heckler and Koch HK SL8-1 Incomplete Front Sight Holder Front sight holder component for the HK SL8-1 rifle. This is an incomplete assembly and may require additional parts to restore full front...HKP-16358$34.95 -
HK SL8-1 Locking Lever Housing - Incomplete
H&K Heckler & Koch
$9.95H&K HK SL8-1 Incomplete Locking LeverHKP-16367$9.95 -
Out Of Stock
HK G36, UMP, USC, SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
HK VP9SK Grip Panel Left Side - Small - FDE
H&K Heckler & Koch
$25.95H&K VP9SK Left Side Grip Panel - Small - FDE New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With:HKP-18962$25.95 -
HK VP9SK Grip Panel Right Side - Large - Gray
H&K Heckler & Koch
$19.95Heckler and Koch VP9SK Right Side Grip Panel - Large - Gray Factory right-side grip panel manufactured by Heckler and Koch for the HK VP9SK pistol. This large-size panel provides proper fit and...HKP-18955$19.95