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 VP9, VP9SK, VP40 Slide Plate
H&K Heckler & Koch
$13.95H&K VP9, VP9SK, VP40 Slide Plate New German HK manufacture. Slide plate for the rear of the pistol. Made of polymer. Compatible With: HK VP9, VP9 Tactical, VP9 OR HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16834$13.95 -
HK VP9, VP40 Grip Panel Right Side - Medium - FDE
H&K Heckler & Koch
$19.95H&K VP9, VP40 Grip Panel Right Side - Medium - FDE New HK German manufactured. Right side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40HKP-18116$19.95 -
HK417, MR762 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$59.95H&K HK MR762 Lower Receiver Front Takedown Pin - A1 Style This is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and...HKP-16602$59.95 -
HK P30L Recoil Rod Bushing Sleeve
H&K Heckler & Koch
$39.95HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40HKP-02435$39.95 -
HK416, MR556 DMR Extra Long Handguard
H&K Heckler & Koch
$859.95HK MR556/416 DMR Extra Long Forearm New Heckler and Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to prevent the mirage...HKP-17683$859.95 -
HK416 Gas Block for 10.4" Barrels
H&K Heckler & Koch
$279.95Heckler and Koch HK German 10.4" Barrel Non-Vented Gas Block Complete Factory HK NON-VENTED 10.4" gas block. Compatible With: HK416 10.4" uppers HK MR556 to 10.4" conversionsHKP-01543$279.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US
HKP HK Parts
Now: $239.95Was: $299.95HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...HKP-18639Now: $239.95Was: $299.95 -
On Sale
HK MP5 Locking Roller -6 - .40 S&W
HKP HK Parts
Now: $8.95Was: $11.95HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...HKP-17566Now: $8.95Was: $11.95 -
On Sale
HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
HKP HK Parts
Now: $183.95Was: $229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...HKP-17175Now: $183.95Was: $229.95 -
On Sale
HK MP5, HK94, SP5 Trigger Pack - Flat Trigger - 9mm - 4 US Made 922r Parts
HKP HK Parts
Now: $239.95Was: $299.95HKP Zenith 9mm US Made Trigger Pack With Flat Trigger Semi auto trigger pack complete with flat trigger installed. Completely assembled & ready to drop in. The remaining parts are all German HK Or US made parts to make up the rest of the...HKP-18513Now: $239.95Was: $299.95 -
Out Of Stock
HK MP5, HK94K, SP89 Firing Pin
POF
$24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...HKP-18264$24.95 -
Out Of Stock
HK Burst Roller Type Trip Lever - Latest Style
H&K Heckler & Koch
$99.95H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2HKP-01846$99.95