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, P30 Magazine - 22 Round - Red - 9mm
HKP HK Parts / Heckler & Koch
$79.95HK PARTS Complete 22 Round Magazine with Red Extension - 9mm HK VP9, HK P30 HKPARTS +5 magazine extension coupled with a 17-round factory German magazine body adds five additional rounds total for a...HKP-21195$79.95 -
HK UMP 2 Position Complete Lower
H&K Heckler & Koch
$579.95New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to UMP...HKP-19117$579.95 -
HK P30, HK P30L Compensator - V2 - Rail Adapter
HKP HK Parts
$34.95HKP HK P30, HK P30L Comp Weight™ V2 Compensator Rail Adapter The HK Parts Comp Weight™ Compensator rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick...HKP-19038$34.95 -
On Sale
B&T USW-A1 Magazine - 9mm - 19 Round
B&T Brugger & Thomet
Now: $35.06Was: $55.00B&T 19 Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 19 Round magazine Compatible With: B&T USW-A1 9mmHKP-18354Now: $35.06Was: $55.00On Sale
Micro Comp - Threaded 14.5x1 LH - .40 S&W
HKP HK Parts
Now: $14.96Was: $49.95HKP .40 S&W Micro Comp - 14.5x1 LH This lightweight micro comp serves as both a compensator and thread protector. It attaches easily to any factory spec 14.5x1 LH .40 S&W barrel. <HKP-20596Now: $14.96Was: $49.95
HK416 OTB E1 Buttstock and Buffer Tube Set
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the...HKP-20104$469.95
HK416, MR556 Handguard - 10.5" - M-LOK
Geissele
$472.00HK416 Super Modular Rail MK15 M-LOK - 10.5" The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock...HKP-19990$472.00
HK45C, P30 Holster - Sport-Tac - RH
Comp-Tac
$78.95Comp-Tac HK P30, HK45C Sport-Tac RH Holster The Sport-TAC Holster is a hybrid, inside-the-waistband holster designed to comfortably carry a 4? handgun at the 4-5 o'clock position. The Sport-TAC...HKP-19688$78.95On Sale
HK MP5 Parts Kit - 9mm
Now: $1,087.49Was: $1,929.95HK German MP5 made with Swiss Marked & Proofed HK MP5 Parts Kit Includes: German demilled HK front sight tower assembly and sling loop German HK cocking tube assembly completeHKP-19477Now: $1,087.49Was: $1,929.95
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
H&K Heckler & Koch
$59.9520 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit...HKP-19333$59.95
HK45, HK45T Firing Pin - Titanium
HKP HK Parts
$49.95Firing Pin HK45 & HK45 Tactical - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a...HKP-17811$49.95
HK VP9, P30, HK45C Battle Sight - Vickers Elite - Green
Wilson Combat
$104.95Wilson Combat HK VP/45C/P30 Vickers Elite Battlesight - Green The high profile Vickers Elite Battlesight rear has a .165" wide, deep U-Notch for optimum sighting in low-light, dynamic range...HKP-18378$104.95