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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HK91, G3 Parts Kit - RCM Barrel
H&K Heckler & Koch
$518.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Finally, after more than 4 years of searching the globe, we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that...HKP-16577$518.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Dark OD Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - Dark OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...HKP-18889$139.95 -
On Sale
HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm
HKP HK Parts
Now: $39.95Was: $49.95HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...HKP-17405Now: $39.95Was: $49.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Selector Lever - Ambi - Left
H&K Heckler & Koch
$11.95Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer left side selector lever. Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1HKP-22310$11.95 -
On Sale
HK VP9 Ghost Comp - Threaded 1/2x28
HKP HK Parts
Now: $92.95Was: $109.95HKP HK VP9 Ghost Comp - Minimalist - Threaded 1/2 x 28 The HKP Ghost Comp is a compact option for shooters that desire recoil mitigation like found on our full-size comps, but in a smaller package. Will install on any VP9 barrel threaded in 1/2 x 28...HKP-22213Now: $92.95Was: $109.95 -
On Sale
HK21E, HK23E Rear Sight Base
HKP HK Parts
Now: $30.95Was: $38.95HKP HK Parts Rear Sight Base for HK21E, HK23E US manufactured billeted from solid ordnance grade bar stock. Each unit is precisely machined to factory tolerances. Requires post installation machining to accommodate a scope. Compatible...HKP-21467Now: $30.95Was: $38.95 -
Out Of Stock
HK MP5, MP5K Brass Catcher - QD,QO
B&T Brugger & Thomet
$264.95B&T HK MP5/MP5K QD/QO Brass Catcher Works with HK MP5 only with the BT-21358 handguard or for the BT-21573 handguard for the MP5K. Compatible With: HK MP5/MP5K HK SP5/HK SP5K ClonesHKP-21315$264.95 -
On Sale
HK VP9 Railok™ Threaded Barrel Compensator
HKP HK Parts
Now: $129.95Was: $189.95HK Parts Railok™ Mounting System Compensator for Threaded Barrel: H&K VP9 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip...HKP-21163Now: $129.95Was: $189.95 -
HK VP9SK Magazine - 14 Round – Red
HKP HK Parts / Heckler & Koch
$69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed & ready to use. This magazine has the same...HKP-20889$69.95 -
On Sale
HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown
HKP HK Parts
Now: $39.95Was: $49.95Single Point Leather Sling - Dark Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20270Now: $39.95Was: $49.95 -
On Sale
HK VP9 Optic Plate #6 - Sig Romeo 1 - Red Dot Pistol Mount
HKP HK Parts
$23.95 - $31.95HKP HK VP9/L 9mm Sig Romeo Optics Plate #6 The finest lightweight aluminum mounting solution for your HK VP9 OR model. New solid billet machined aluminum optics plate for the Sig Romeo 1 optic. Each plate is CNC machined from a solid billet of ordnance...HKP-19704-M$23.95 - $31.95 -
On Sale
HK G36, SL8 Paddle Magazine Release
USA
Now: $13.95Was: $17.95US Magazine Paddle Release for HK G36 and HK SL8 HK G36 Mag Release or mag catch. Compatible With: SL8 G36 G36K G36CHKP-18222Now: $13.95Was: $17.95