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/Hogue Ballista First Response Knife - Partially Serrated
Hogue
Now: $159.34Was: $249.95H&K/Hogue Ballista First Response Knife - Partially Serrated 3.5" Drop Point Blade (Partially Serrated) - Black CerakoteRed/Black ChromaCut G10 Frame Features: Frame: red/black chromacut Deep carry...HKP-21348Now: $159.34Was: $249.95 -
On Sale
HK VP9 EMP Pocket Clip
Strike Industries
$6.97 - $8.96Strike Industries EMP Pocket Clip The Strike Industries EMP Pocket Clip gives you a quick and easy way to carry a spare pistol magazine for when you need it. The clip can also help hang or organize...HKP-21303-M$6.97 - $8.96 -
On Sale
Picatinny 9" Stock with 1913 Folding Mech
JMAC Customs
Now: $278.91Was: $309.90JMAC Universal Picatinny 9" Stock with 1913 Folding Mech Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" LeHKP-21242-BLNow: $278.91Was: $309.90 -
On Sale
HK MP5K Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$1,211.22 - $1,899.95Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – Ambi 3 Position Housing In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the...HKP-20933-M$1,211.22 - $1,899.95 -
On Sale
Bolt Knob - Grenade - Titanium
Tactical Precision MFG
Now: $18.71Was: $48.99TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle. GrenadeHKP-20776Now: $18.71Was: $48.99 -
On Sale
Muzzle Brake - .22 Full Port - Titanium
Tactical Precision MFG
Now: $32.21Was: $84.99Full Port Muzzle Brake - .22 Cal - 1/2x28 This titanium muzzle brake is designed by a master gunsmith and is one of the best and lightest on the market. The spiral port outlets along with the...HKP-20771Now: $32.21Was: $84.99 -
On Sale
HK VP Series Curved Trigger - Gold Tab
Lazy Wolf
Now: $74.21Was: $134.95C1 - Curved VP Series Trigger - Lazy Wolf Guns - Gold Tab In a collaboration with Lazy Wolf Guns, HK Parts is offering quality aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9...HKP-19813Now: $74.21Was: $134.95 -
HK G36, G36K Folding Stock - FDE
HKP HK Parts
$109.95Folding Stock - HK G36, G36K - Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like...HKP-19298$109.95 -
Out Of Stock
HK G28 Flash Hider - Threaded 15x1 RH
H&K Heckler & Koch
$179.95H&K G28 Flash Hider - Threaded 15x1 RH Contains the factory correct thread pitch and markings. Rare here in the USA. Specifications: Made in Germany.HKP-18444$179.95 -
HK SL8 Trigger Return Elbow Spring
H&K Heckler & Koch
$9.99HK SL8 Trigger Return Elbow Spring This is the lighter spring weight found only in the SL8 firearms. The G36 trigger return spring is much heavier in weight and thus has a heavier trigger pull over...HKP-16391$9.99 -
On Sale
B&T TP9, MP9 Extractor Spring
B&T Brugger & Thomet
Now: $8.96Was: $9.95B&T TP9, MP9 Extractor Spring Swiss-manufactured TP9 and MP9 extractor spring. Compatible With: B&T TP9, MP9HKP-17300Now: $8.96Was: $9.95 -
On Sale
HK USP Series Front Sight 6.2mm
H&K Heckler & Koch
Now: $7.46Was: $19.95Heckler and Koch 6.2mm Front Sight for HK USP Series H&K factory height replacement sight for USP Compact. This sight will also work with select USP full size pistols but is shorter than the...HKP-02255Now: $7.46Was: $19.95