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 SL8-1 Locking Lever Housing - Incomplete
H&K Heckler & Koch
$9.95H&K HK SL8-1 Incomplete Locking LeverHKP-16367$9.95 -
Out Of Stock
HK G36, UMP, USC, SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
HK VP9SK Grip Panel Right Side - Large - Gray
H&K Heckler & Koch
$19.95Heckler and Koch VP9SK Right Side Grip Panel - Large - Gray Factory right-side grip panel manufactured by Heckler and Koch for the HK VP9SK pistol. This large-size panel provides proper fit and ergonomics and is suitable as a replacement component or...HKP-18955$19.95 -
HK VP40 Barrel - .40 S&W - 4.09"
H&K Heckler & Koch
$229.95Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical ModelsHKP-18722$229.95 -
On Sale
B&T APC, GHM, SPC Binary Trigger - Curved - BFSIII
FA Franklin Armory
Now: $449.99Was: $499.95Franklin Armory BFSIII B&T-C1 Binary Trigger The BFSIII™ for is a 3-position trigger. In position 3 it will fire 1 round on pull and 1 round on release. This makes it the fastest semi-automatic trigger on the market. The BFSIII™ is ideal...HKP-18734Now: $449.99Was: $499.95 -
On Sale
HK MP5, HK94, HK33, HK53, HK93 MOE SL-S Stock
Magpul
Now: $134.95Was: $234.95Magpul MOE SL-S- HK MP5, HK94, HK33, HK53, HK93 Magpul MOE SL-S MP5, HK 94 complete stock ready to drop in. Great option for those looking for different length options. The sleek profile, dual-side release latches, and waterproof battery tubes make...HKP-20488Now: $134.95Was: $234.95 -
HK P30 Grip Wrap for Small Backstraps - Rubber
Talon Grip
$19.99TALON Grip - H&K P30 - Rubber Black - Small Backstrap 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...HKP-20254$19.99 -
Out Of Stock
HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position Navy Style - Clipped and Pinned
H&K Heckler & Koch
$449.95H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...HKP-19712$449.95 -
HK416, MR556 Muzzle Break - Procomp - 1/2x28
Surefire
$109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...HKP-19666$109.95 -
HK USP Compact 9mm Stripped Slide
H&K Heckler & Koch
$474.95USP Compact - 9mm - Stripped New factory original slide for the 9mm semi-auto pistol. Features a black finish and factory markings. Stripped, no other parts included. No longer available by itself.HKP-19513$474.95 -
HK 45 Fiber Sight - Red
Trijicon
$68.95Trijicon HK 45 Fiber Sight - Red Trijicon's Fiber Sights are great for competition and carry alike. The sight bodies are machined and phosphated steel to provide exceptional durability that will hold up under heavy use. For wicked fast acquisition, the...HKP-19388$68.95 -
HK MR762 Drop Safety Catch Pin
H&K Heckler & Koch
$4.95H&K HK MR762 Drop Safety Catch Pin Compatible With: HK MR762HKP-16617$4.95