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
Bolt Knob - Grenade
Tactical Precision MFG
Now: $24.75Was: $48.99TPM - Grenade Bolt Knob TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Features: Dimensions: 1.90" x 7/8" x 7/8" Weight: 2 oz. Threading: 5/16x24 Made in the USA Compatible...HKP-20770Now: $24.75Was: $48.99 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Safety Tab Kit
Lazy Wolf
$19.95Lazy Wolf Guns F3 Full Flat Face Trigger Tab and Spring Set for the HK VP Series Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab,...HKP-20095$19.95 -
Out Of Stock
HK VP Series F2 Trigger - Flat Face - Safety Tab Kit
Lazy Wolf
$19.95F2 Flat Face VP Series Black Trigger Tab and Spring Set from Lazy Wolf Guns Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and...HKP-20094$19.95 -
On Sale
Scorpion Stock or Brace Adapter - Tailhook - Mod 1
Gear Head Works
Now: $9.95Was: $19.95GHW Scorpion Tailhook Mod 1 Brace/Stock Adapter This adapter allows the user to mount the Patented Tailhook Mod 1 brace to the factory CZ folding cheek rest. It is injection molded reinforced polymer and can be installed to your choice of 3 positions...HKP-19137Now: $9.95Was: $19.95 -
HK UMP Flash Hider - 5 Prong - .40 S&W, .45 ACP
B&T Brugger & Thomet
$129.95B&T Brugger and Thomet 5 Prong Flash Hider .40 S&W and .45 ACP for HK UMP Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5 prong design. Specifications: Diameter Max 31...HKP-16891$129.95 -
HK VP9SK Grip Panel Left Side - Small - Gray
H&K Heckler & Koch
$18.95H&K VP9SK Left Side Grip Panel - Small - Gray New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18963$18.95 -
HK VP9SK Grip Panel Right Side - Small - Gray
H&K Heckler & Koch
$19.95H&K VP9SK Right Side Grip Panel - Small - Gray New HK German manufactured. Right side small size perfect for spare or for custom atippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18964$19.95 -
On Sale
HKP Women's Shirt - Short Sleeve - Black
HKP HK Parts
Now: $9.95Was: $14.95HKP Short Sleeve Shirt for Women - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...HKP-21018-MNow: $9.95Was: $14.95 -
HK MP5K Slimline Handguard - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape and will clean up...HKP-20199$49.95 -
HK USPC Holster - MTAC IWB - 9mm / .40 S&W
Comp-Tac
$89.95 - $92.95Comp-Tac HK USPC 9mm/.40. S&W MTAC IWB Holster The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in...HKP-19594-M$89.95 - $92.95 -
HK G3 Early Style Backplate with Recoil Rod - Used
H&K Heckler & Koch
$24.95G3 - Early Production CETME, G3 HK91 Backplate - UsedHKP-19556$24.95 -
On Sale
HK MP5 Trigger Group Burst - 4 Position - 013F - RARE - Like New
H&K Heckler & Koch
Now: $1,998.95Was: $2,479.95H&K HK MP5 4 Position Burst Trigger Group 0,1,3,F - Like New These rare trigger groups are in exceptional condition. Featuring a 4-position burst (0, 1, 3, F) trigger pack paired with the incredibly rare S, E, 3F, and F engraved housing...HKP-19483Now: $1,998.95Was: $2,479.95