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, AP5 Retractable Stock
MKE
$314.95MKE HK MP5, AP5 Stock - Retractable The missing piece to add the iconic appearance to your MP5-AP5 Clone. The collapsible design offers a custom length of pull for optimal comfort and control, while the easy-to-install mounting system offers dependable,...$314.95 -
HK33, HK53, HK93, HK91, G3, MP5 Optic Mount - Front Sight Tower - Picatinny
HKP HK Parts
$39.95FRONT SIGHT TOWER RAIL MOUNT- Lights & Lasers HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...$39.95 -
HK MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
$1.95HK German MP5, 94 Cocking Tube Support Handle Pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple frame (front sight tower). Compatible With: HK MP5...$1.95 -
On Sale
KCI Glock 50-Round 9mm Drum Magazine
Now: $29.95Was: $69.95KCI Glock 50-Round 9mm Drum Magazine CLEARANCE ITEMS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL CLEARANCE SALES ARE FINAL. Features: Capacity: 50 Rounds Caliber: 9mm Construction: Polymer/Steel Made in South Korea by...Now: $29.95Was: $69.95 -
HK Tower and Pin - Front Sight and Cocking Handle
H&K Heckler & Koch
$1.95H&K Front Sight Tower & Cocking Handle Pin Front sight tower roll pin for all HK 90 series front sights as well with some other applications. Compatible With: MP5 & SP5 MP5K & SP5K HK G3 & 91 HK 33, 53, 93$1.95 -
HK91, G3 Parts Kit - RCM Barrel - PTR Receiver Flat
H&K Heckler & Koch
$588.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit, Receiver Flat - RCM Barrel Finally, after more than 4 years of searching the globe we have HK German Surplus G3 parts kits available to offer. Each parts kit comes complete with all parts from a functional...$588.95 -
Out Of Stock
HK MP5K, SP5K, SP89 Stock - Folding - 9mm
Choate
$199.95Choate HK MP5K, SP5K, SP89 Stock - Folding - 9mm US Made Each stock features the same quick, open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you...$199.95 -
HK P2000, USPC Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$49.00H&K 12 Round HK P2000/USPC .40 S&W Magazine New HK German manufacture. All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)$49.00 -
HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...$9.95 -
On Sale
KCI Glock 26-Round.45 ACP Magazine
Now: $7.46Was: $14.95KCI Glock 26-Round.45 ACP Magazine Compatible With: Glock .45 ACP double stack models 21 & 30 Features: Hardened steel insert encased in high-tech polymer (fully metal lined) Please Note: Like many new magazines, these have a stiff spring from...Now: $7.46Was: $14.95 -
HK45, HK45 Compact, USP, P30 New Style Light Firing Pin Block Spring
H&K Heckler & Koch
$7.74H&K HK 45/45C/USP/P30 New Style Light Firing Pin Block Spring This part is commonly used with the light trigger return spring (shown below) for a light trigger pull conversion. This spring is one of the springs used to convert P2000,...$7.74 -
HK90 Series Mag Paddle Bushing with Pin for Semi Builds
DTAC Dakota Tactical
$9.89DTAC Mag Paddle Bushing With Pin For Semi-Builds This part is made 100% in the US from 17-4 stainless steel. Latest production with patent pending anti-binding enhancement upgrade. Accurate tolerance for easy movement with minimal play. It has an...$9.89