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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HK45, USP Compact Recoil Spring Guide Rod
H&K Heckler & Koch
$39.95HK USPC & HK45 Recoil Spring Guide Rod Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK45HKP-01411$39.95 -
HK USP Series Front Sight 7.0mm
H&K Heckler & Koch
$22.95HK USP Front Sight 7.00mm Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEMHKP-01624$22.95 -
On Sale
HK VP9SK Holster - Compensator - LH - Odin
Odin Holsters
Now: $39.95Was: $79.95Odin Holsters HK VP9SK Comp Weight™ Compensator LH Holster The VP9SK Comp Weight™ Compensator holster is an outside the waistband that allows the HK Parts Comp Weight™ to be installed as well. For a left-hand shooter with or without out...HKP-18845Now: $39.95Was: $79.95 -
HK MR762 Buttpad - E2 Concave - Bowden Retaining Wire
H&K Heckler & Koch
$79.95German E2 Concave Buttpad with Bowden Retaining Wire Harness for HK417 and MR762 This item can be added as an option on the HK417, MR762, HK712, G28 E1 and E2 stock. The Bowden wire retainer is used to work as a lanyard for the buttpad to prevent the...HKP-18492$79.95 -
HK416, MR556, HK417, MR762, G28 Sniper PSG1 Style Grip - Black
H&K Heckler & Koch
$134.95H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - Black HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 Lower Receivers As Well. Superior fit & feel to any other grip on the market. HK has hit a home run with...HKP-17692$134.95 -
HK MR556, MR223 A5 Incomplete Upper Receiver
H&K Heckler & Koch
$489.95HK German Un-Assembled/Stripped HK MR556/MR223 A5 Upper Receiver Factory HK MR556 A5 upper receiver. This is the semi-auto MR556 variant. Compatible With: HK MR556 HK MR223 HK 416*** Need a matching lower for your build? STS416 A5 LOWER -...HKP-18785$489.95 -
HK G36 Piston Rod Plate
H&K Heckler & Koch
$7.95Heckler and Koch Piston Rod Plate for HK G36 Constructed from steel with a black finish, this factory original part from HK is manufactured in Germany and designed for HK G36 rifle models chambered in 5.56 / .223. The plate is part of the piston rod...HKP-01871$7.95 -
Out Of Stock
HK G36, SL8 Carrying Handle - Dual Optic x3
H&K Heckler & Koch
$2,899.95HK G36, SL8 Dual Optic Rare in brand NEW condition. Brand new factory fresh HK G36/SL8 3X dual optic. In all the years, of offering HK parts and accessories...we have never been able to get brand new dual optics directly from HK Germany. Update: HK...HKP-17606$2,899.95 -
HK G36 Piston Rod
H&K Heckler & Koch
$55.95Heckler and Kock Gas Piston Rod for HK G36 A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36HKP-16539$55.95 -
Out Of Stock
HK G36 Trigger Group, Complete - 3 Position Navy 0,1,F
H&K Heckler & Koch
$899.95New HK German G36 3 Position Navy (0, 1, F) Trigger Group Complete Perfect for the HK SL8-G36 semi-conversions.HKP-00629$899.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended
H&K Heckler & Koch
$9.95Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$9.95 -
HK G36, SL8 Optic Mount, Carry Handles
B&T Brugger & Thomet
$139.95B&T HK G36/SL8 Optic Mounting Rail B&T optic mounting rail for HK G36, SL8 HK carry handles, Spanish Military version. Specifications: Height: 23.7 mm Width: 26.9 mm Weight: 113 g Material: Aluminum Treatment: Hardcoat anodizedHKP-16867$139.95