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
Barrel Bore Cleaning Brush - .45 ACP
USA
Now: $1.76Was: $1.95HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common...HKP-02757Now: $1.76Was: $1.95 -
HK USP, USP Compact Lanyard Loop Insert
H&K Heckler & Koch
$13.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mmHKP-01935$13.95 -
HK416, MR556, MR762 Bolt Catch Plunger
H&K Heckler & Koch
$5.95Heckler and Koch HK MR556 and HK416 Bolt Catch Plunger Compatible With: HK416, MR556 HK MR762HKP-02655$5.95 -
HK MP5, MP5F Recoil Rod Assembly
HKP HK Parts
$49.95MP5 F, MP5 40/10 Recoil Spring Rod Assembly Complete - Extra Power This is the correct MP5F or MP5 40/10 Recoil Rod assembly with the proper parts and size. Most commonly used for MP5's that are...HKP-17833$49.95 -
Out Of Stock
HK Burst Eccentric Bushing
H&K Heckler & Koch
$59.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part...HKP-02647$59.95 -
HK416 Reaction Rod
Nefarious Arms
$124.95Nefarious Arms - Reaction Rod - HK416 The Nefarious Arms HK416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is...HKP-21272$124.95 -
On Sale
HK91, G3, PTR 91 Spare Parts Kit
HKP HK Parts / Heckler & Koch
Now: $119.96Was: $149.95HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement...HKP-20684Now: $119.96Was: $149.95 -
HK417, MR762 Take Down Tool
H&K Heckler & Koch
$9.95H&K HK MR762/417 Take Down Tool This item is used to take down the upper receiver from the lower receiver as well as tighten down the stock movement on the E1/E2 stock. Each tool will be stored in...HKP-14438$9.95 -
HK416, MR556 Ejection Port Cover Assembly
H&K Heckler & Koch
$89.95HK German HK 416, MR556 Ejection Port Cover Door Assembly Complete This is the newer polymer style cover found on the latest HK 416 and MR556's. This is the complete ejection port door assembly...HKP-16951$89.95 -
HK91, G3, PTR Magazine - 10 Round - Steel
H&K Heckler & Koch
$73.9510 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the...HKP-01607$73.95 -
On Sale
HK91, G3 Tactical Rail - 6 Inch
HKP HK Parts
Now: $15.91Was: $24.95HKP Tactical Rail - 6 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up...HKP-00831Now: $15.91Was: $24.95 -
On Sale
HK MP5 Brace and HKP Adapter - Skeletonized
HKP HK Parts / SB Tactical
Now: $269.96Was: $299.95SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter...HKP-21055Now: $269.96Was: $299.95