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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Out Of Stock
HK MR556 A4 Hammer Spring
H&K Heckler & Koch
$5.95H&K MR556 A4 Hammer Spring Genuine H&K hammer spring for the MR556 A4. Compatible With: HK MR556 A4HKP-22083$5.95 -
On Sale
HKP Bundesadler Key Chain - MP5
HKP HK Parts
Now: $4.95Was: $6.99HK Parts - Key Chain - MP5HKP-21843-MNow: $4.95Was: $6.99 -
On Sale
HK P30SK Compensator - MOD 1
HKP HK Parts
Now: $143.95Was: $179.95HK Parts MOD 1 Compensator: H&K P30SK The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target faster...HKP-21798Now: $143.95Was: $179.95 -
On Sale
HK MP5K, SP5K Buffer Replacement - Choate Stocks
Choate
Now: $16.95Was: $20.95Choate MP5K and SP5K Buffer Replacement - Choate Stocks Replacement Buffer Kit for HK MP5K, SP89 and SP5K End Caps Keep your HK roller-delayed firearm running reliably with this high-quality Replacement Buffer Kit for HK MP5K, SP89, and SP5K end caps...HKP-21041Now: $16.95Was: $20.95 -
On Sale
HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII - 9mm
FA Franklin Armory
Now: $999.95Was: $1,299.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured Complete Franklin Armory BFSIII HK-C1 binary trigger pack assembly configured in a 3-position pictogram contoured housing for HK MP5 and SP5 push-pin...HKP-20004-MNow: $999.95Was: $1,299.95 -
On Sale
HK VP9 Tactical Holster and Lever - RH
Comp-Tac
Now: $75.95Was: $89.95Comp-Tac HK VP9 Lever + Align Tactical Holster – Right Hand At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the align tactical takedown lever installed. Manufactured by the best holster company in...HKP-20870Now: $75.95Was: $89.95 -
On Sale
HKP Hat - Snapback - Baseball - OSFM - Black and OD Green
HKP HK Parts
Now: $14.95Was: $17.95HKP Baseball Trucker Snapback Cap - OSFM - Black & OD Green Get your hands on some of our premium hats! Features: Official HKP merchandise Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-20712Now: $14.95Was: $17.95 -
On Sale
HK MP5 Stock or Brace Adapter
HKP HK Parts
Now: $119.95Was: $149.95HKP MP5 Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your valuable firearm...HKP-20677Now: $119.95Was: $149.95 -
HK93, HK33 Spare Parts Kit
H&K Heckler & Koch
$209.95HKP HK93, HK33 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK93, HK33 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required. This...HKP-20674$209.95 -
On Sale
HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm
HKP HK Parts
Now: $63.95Was: $79.95HKP HK Parts 15 Round Magazine with Black Finger Rest for HK VP9SK and HK P30SK New German VP9SK, P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed & ready to use...HKP-20568Now: $63.95Was: $79.95 -
On Sale
HKP .40 S&W - Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $24.95Was: $49.95HKP .40 S&W - Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easily to any factory spec P30/P30L barrel...HKP-20369Now: $24.95Was: $49.95 -
On Sale
HK USP Grip Wrap - Granulate - 9mm / .40 S&W
Talon Grip
Now: $17.95Was: $19.99TALON Grip - USP Full Size 9mm/.40 - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The...HKP-20282Now: $17.95Was: $19.99