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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Out Of Stock
HK MP5K, SP5K Telescopic Brace
B&T Brugger & Thomet
$650.00B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaHKP-19861$650.00 -
HK P30 Series Left Slide Release Shorty
H&K Heckler & Koch
$64.95HK P30 Series Left Slide Release Shorty This is the left side of the frame shorter slide release lever for the HK P30, P30L & P30SK version models. This shorter slide release lever is also the...HKP-02486$64.95 -
HK416, MR556 E2 Buttstock - Mil-Spec
H&K Heckler & Koch
$199.95H&K HK416, MR556 Mil-Spec Factory German E2 Stock The HKE2 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed...HKP-01913$199.95 -
HK MP5 9mm SEF Navy Style Trigger Housing - Clipped and Pinned - USED
H&K Heckler & Koch
$89.95H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly...HKP-19787$89.95 -
On Sale
Sling - 2 Point - Leather and Cotton
HKP HK Parts
$38.22 - $59.952 Point Leather & Cotton Sling Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan using quality US leather and...HKP-21320-M$38.22 - $59.95 -
HK USP, USP Compact Trigger Spring
H&K Heckler & Koch
$5.95H&K HK USP/USPC Trigger Spring Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACHKP-01252$5.95 -
HK Roller Type Trip Lever
H&K Heckler & Koch
$29.95H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not...HKP-02466$29.95 -
HK VP9 Optic Plate - Holosun EPS - Red Dot Pistol Mount
HKP HK Parts
$49.95HKP HK VP9 Holosun EPS Optic Plate Each plate is CNC machined from a solid billet of ordnance grade steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit...HKP-21333$49.95 -
On Sale
HK MP5 Receiver Flat with Weldment Set - 9mm
HKP HK Parts
Now: $175.96Was: $219.95HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the...HKP-20920Now: $175.96Was: $219.95 -
Out Of Stock
HK P30, HK45, USP Firing Pin Block - New Style
H&K Heckler & Koch
$16.95H&K USP/P30/HK45 New Style Firing Pin Block A factory Heckler and Koch part. Compatible With: HK USP 45, 40 & 9mmHKP-01285$16.95 -
On Sale
HK SEF Enhanced Ambi Selector Set - Navy Style
HKP HK Parts
Now: $61.56Was: $76.95Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever setHKP-18065Now: $61.56Was: $76.95 -
On Sale
HK VP9SK, P30SK Magazine Pinky Rest
HKP HK Parts
$16.07 - $22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why...HKP-17853-M$16.07 - $22.95