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 MP5, HK93, HK33 Fixed Wood Stock
H&K Heckler & Koch
$399.95H&K MP5, 94, 93, 33 Fixed Wood Stock Never before has there been a commercially available wooden stock for the HK 93 & MP5 series of firearms. The wood stock is a factory surplus walnut stock integrated with the factory 93/33 buffer assembly and...HKP-16328$399.95 -
HK91, G3, HK33, HK93 Bayonet Adapter - Complete - Turkish Contract
Other
$38.95Turkish Contract Complete Bayonet Adapter for HK91, HK G3, HK33, HK93 Complete Turkish contract 90 Series-style steel bayonet adapter supplied with the required mounting hardware. Designed for proper fit on HK33, HK93, HK91, and G3 pattern rifles...HKP-22517$38.95 -
HK91, G3, PTR Stock - Wood
H&K Heckler & Koch
$199.95Wood Stock - Used - Excellent Shape - HK G3, 91, PTR Complete rear stock for HK91/G3, PTR. These stock sets were in use with the German military and come used in varying degrees of condition ranging from very good to excellent shape overall. A rare...HKP-19275$199.95 -
HK416, MR556 Ejection Port Spring
H&K Heckler & Koch
$9.95H&K HK MR556/416 Ejection Port Spring Compatible With: HK MR556 HK 416HKP-02616$9.95 -
Meprolight HK USP Night Sight Set - Green
Meprolight
$99.99Meprolight HK USP Night Sight Set - Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the original...HKP-01906$99.99 -
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each buffer tube has ball-bearing rollers to tighten the...HKP-02716$254.95 -
HK MP5 Hat - Snapback - Flat Brim - OSFM
HKP HK Parts
$22.99HKP MP5 Flat Brim Snapback Hat - OSFM Get your hands on some of our premium hats! Features: Official HKP merchandise 5" wide HKP logo Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-21451-M$22.99 -
On Sale
Canik TP9SFX Rival Compensator
HKP HK Parts
Now: $97.46Was: $189.95HKP Canik SFX Rival Compensator - Gold/Gray Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible...HKP-21396-MNow: $97.46Was: $189.95 -
HK VP9 Optic Plate #11 - Sig Romeo Zero - Red Dot Pistol Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #11 - Sig Romeo Zero - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 Series Opitc Ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of...HKP-20029$49.95 -
HK USP, Mark 23 Magazine Locking Plate - .45 ACP
H&K Heckler & Koch
$8.95HK Magazine Locking Plate For .45 Cal - 12 Round Magazines New HK German magazine locking plate. Compatible With: HK Mark 23 12 Round HK USP .45 12 RoundHKP-01588$8.95 -
HK USP Match Trigger and Trigger Stop
H&K Heckler & Koch
$29.95HK USP Match Trigger & Trigger Stop The match trigger overstep screw is threaded M2.5 X .45 for those who want to use the screw in other applications or pistol triggers. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Tactical HK...HKP-01971$29.95 -
MP5, HK53 Handguard - Tri-Rail
B&T Brugger & Thomet
$275.00B&T MP5, HK53 Tri-Rail Handguard The B&T handguard 3x NAR is a modular forend system designed for the HK MP5 submachine gun. It offers a versatile and customizable mounting platform for various accessories such as lights, lasers, and grips. The...HKP-16885$275.00