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 MP5 Dual Folding Stabilizer - With Adapter - OD Green
HKP HK Parts / Strike Industries
$203.97 - $319.95Strike Industries Dual Folding Stabilizer with HKP MP5 Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 picatinny adapter is one of the best options on the market for...HKP-21655-M$203.97 - $319.95 -
HK P30 Fluted Barrel - 9mm - 4.5" - Threaded 13.5x1
HKP HK Parts
$229.95HKP P30 9mm Fluted Barrel - Threaded 13.5x1HKP-21443$229.95 -
HK UMP, USC, G36 Handstop - Complete
HKP HK Parts
$49.95Hand Stop Complete - USA - UMP, USC & G36 Compatible With: USC UMP G36K G36C <HKP-19236$49.95 -
On Sale
HK P30, HK P30L Compensator - V2 - Rail Adapter
HKP HK Parts
Now: $24.47Was: $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-19038Now: $24.47Was: $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
HK416, MR556 Handguard - 10.5" - M-LOK
Geissele
Now: $424.80Was: $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-19990Now: $424.80Was: $472.00On Sale
HK VP9, P30 Magazine - 27 Round - Red Follower - 9mm
HKP HK Parts / Heckler & Koch
Now: $89.96Was: $99.95HKP HK Parts with Heckler and Koch HK VP9, HK P30 27 Round Magazine Complete - Red Follower - 9mm HK Parts +10 alloy magazine extension coupled with an HK 17 round factory German magazine adds 10...HKP-19843Now: $89.96Was: $99.95On Sale
HK45C, P30 Holster - Sport-Tac - RH
Comp-Tac
Now: $71.06Was: $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-19688Now: $71.06Was: $78.95
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
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 VP9HKP-16834$13.95
HK417, MR762, G28 Receiver End Plate
H&K Heckler & Koch
$24.95H&K HK MR762/417/G28 Receiver End Plate New HK German factory. Compatible With: HK MR762 HK 417HKP-16610$24.95
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