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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Glock Drum Magazine - 100 Round - 9mm
Beta C-Mag
$759.95Beta C-Mag 100 Round Glock 9mm Drum Magazine Specifications: Caliber: 9mm Capacity: 100 RoundsHKP-02622$759.95 -
On Sale
HK MP5, HK94 Trigger Group - Semi Auto - US Made
PTR
Now: $413.96Was: $459.95HK MP5/94 9mm Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed, as well as a factory-correct 9mm...HKP-14096Now: $413.96Was: $459.95 -
Out Of Stock
HK416, MR556 Magazine Floorplate - 5.56 / .223 - 10,20,30 Round - Complete
H&K Heckler & Koch
$10.95HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a...HKP-15209$10.95 -
HK UMP, USC Conversion Slide
H&K Heckler & Koch
$19.95HK USC & UMP Slide For Lower - German New HK German USC slide for conversion of UMP lower.HKP-00268$19.95 -
Out Of Stock
HK PSG1, MSG90 Trigger Shoe Adjustment Tool
H&K Heckler & Koch
$19.95HK German Factory PSG-1, MSG90 Trigger Shoe Adjustment Tool A custom tool that allows you take the trigger shoe on and off and make Compatible With: HK PSG1 & MSG90 trigger shoesHKP-18181$19.95
HK Optic Mount Ring Set - 1 Inch for 30mm Scope
H&K Heckler & Koch
$89.95H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) -...HKP-02474$89.95On Sale
HK91, G3, PTR Drum Magazine - 50 Round
X Products
Now: $251.06Was: $278.9550 Round Drum HK91, G3, & PTR The X-91 drum replicates the original HK G8 drum to give you 50 rounds of .308 in a compact, aluminum body. The X-91 utilizes X Products’ ultra-compact single-stack...HKP-01283Now: $251.06Was: $278.95On Sale
HK MP5, SP5 Fixed Stock - A2
Michaels Machines
$179.96 - $221.36Michaels Machines A2 Fixed Stock for HK MP5, SP5 Michaels Machines A2 fixed stock for HK MP5 pattern firearms. Made in the USA, this Cerakoted stock features a rubberized backplate designed to help...HKP-18804-M$179.96 - $221.36Out Of Stock
HK416, MR556 Upper Receiver - Stripped - No Forward Assist
H&K Heckler & Koch
$489.99HK416, MR556 Upper Receiver - Stripped - No Forward Assist Genuine HK HK416 upper receiver designed for HK416 and MR556 rifle platforms. This stripped receiver does not include a forward assist or...HKP-22506$489.99On Sale
HK VP9, P30 Brass Base Pad
Grayguns
Now: $25.20Was: $28.00Grayguns Brass Base Pads are perfect for competitors looking to add weight to their pistol. Compared to our 6061 Aluminum pads, the Brass Base Pads are significantly heavier. Weight Comparison – VP9...HKP-22345Now: $25.20Was: $28.00On Sale
HK MP5 Optic Mount - .22LR - Raised - Aimpoint ACRO
HKP HK Parts
$76.47 - $119.95HKP HK MP5 .22LR Aimpoint ACRO Sight Mount - Raised Height MP5 .22LR raised height mount for the Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-22248-M$76.47 - $119.95
HK G36 Magazine - 30 Round - LEO Marked - USED
H&K Heckler & Koch
$195.99H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36CHKP-22212$195.99