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
HK G36, G36K Optic Mount - Dual Rail, Emergency Sight - NATO Accessory Rail
B&T Brugger & Thomet
Now: $357.95Was: $397.95B&T HK G36/G36K (5.56/.223) Mounting Rail B&T NAR (Picatinny compatible) mounting rail for HK G36/G36K with emergency sight, dual rail. Compatible With: HK G36 HK G36KHKP-21461Now: $357.95Was: $397.95 -
On Sale
HK MP5, SP5 Trigger Group - Single Stage - SSTG
Magpul
Now: $499.95Was: $639.95SSTG Magpul trigger group The Single Stage Trigger Group is a blend between the past and future. The trigger pack begins life as a factory German trigger pack before being professionally converted into a semi-auto trigger pack. After the conversion, each...HKP-21261Now: $499.95Was: $639.95 -
On Sale
HK VP9, P30 Magazine Extension Kit +10 - Cerakote Black
HKP HK Parts
Now: $55.95Was: $69.95Magazine Extension Kit +10 – Cerakote Black - HK VP9, HK P30 HK Parts magazine extension +10 kit adds 10 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly...HKP-21250Now: $55.95Was: $69.95 -
On Sale
HK SP5 End Cap with Buffer - QD
HKP HK Parts
Now: $59.95Was: $99.95HKP HK Parts Quick Detach End Cap for HK SP5 With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for years to come. Machined aircraft grade aluminum and...HKP-20757Now: $59.95Was: $99.95 -
On Sale
HK MP5 Trigger Group - AR Match
Magpul
$551.95 - $664.95Magpul AR Match Trigger Group for HK MP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR style match trigger group. This trigger group is a drop-in...HKP-20666-M$551.95 - $664.95 -
HK Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - 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-20161$49.95 -
Out Of Stock
HK VP Series Curved Trigger Safety Tab Kit - Red
Lazy Wolf
$19.95C1 - Curved VP Series Trigger Tab, Spring Set - Lazy Wolf Guns - Red 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 roll pin...HKP-20088$19.95 -
On Sale
Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
Aimpoint
Now: $12.95Was: $14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...HKP-19334Now: $12.95Was: $14.95 -
On Sale
HK VP9SK, P30SK Compensator - Rail Adapter
HKP HK Parts
Now: $27.95Was: $34.95Comp Weight™ Rail Adapter - VP9SK & P30SK The HK Parts Comp Weight™ rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed to allow users to add a laser or...hkp-18901Now: $27.95Was: $34.95 -
HK VP9SK Grip Panel Right Side - Large - OD Green
H&K Heckler & Koch
$19.95H&K VP9SK Right Side Grip Panel - Large - OD Green New HK German manufactured. Right side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18966$19.95 -
HK VP9SK Grip Panel Left Side - Large - OD Green
H&K Heckler & Koch
$16.95H&K VP9SK Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18968$16.95 -
HK VP9SK Grip Panel Left Side - Large - FDE
H&K Heckler & Koch
$19.95H&K HK VP9SK Grip Panel Left Side - Large - FDE New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18959$19.95