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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Modular Linear Compensator Body - Mach 3
Kaw Valley Precision
$39.95Kaw Valley Precision Mach 3 Modular Linear Comp Body The KVP MACH 3 is a user configurable linear compensator system. 1-1/8"x28 TPI internal threads accommodate common suppressor attachments, such as a SilencerCo 3-lug mount, direct thread mounts,...HKP-19984$39.95 -
HK Receiver Flat Bending Jig Set - Billet Aluminum
HKP HK Parts
$449.95Flat Bending Jig Set For All HK Style Flats - Billeted - Aluminum Aluminum billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...HKP-19583$449.95 -
Out Of Stock
HK MP5SD Barrel - 9mm - 5.74" - Threaded 18x1
RCM
$199.95RCM HK MP5SD 9mm Barrel - Threaded 18x1 RCM HK Style MP5 SD Barrel. Specifications: Made In The USA Cold Hammer Forged Steel (CHF) 16 Fluted Chamber Threaded 18x1 Overall Length 5.74" Nitride Finish To Entire Surface Of Barrel...HKP-02118$199.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote - Heckler and Koch
H&K Heckler & Koch
$85.95 - $89.95Heckler and Koch MP5, SP5, SP5K, MP5K 9mm 30 Round Curved Magazine Factory fresh Heckler and Koch 30 round, curved 9mm. When only the best will do. Each magazine starts life as a brand-new, factory-sealed magazine, which is then expertly Cerakoted in...HKP-19979-M$85.95 - $89.95 -
HK USP Match Trigger Conversion Kit
H&K Heckler & Koch
$189.95H&K HK USP/USP Tactical Match Trigger Conversion Kit The HK USP Match Trigger Kit is a true drop-in kit for USP full-size pistols. This will fit all of the HK German USP 9mm, 40 & .45 Cal pistols. The match trigger kit will adjust the trigger...HKP-01039$189.95 -
On Sale
HK VP9L, VP9 Match Lever - International Holster - Comp Carry
Comp-Tac
Now: $44.21Was: $81.95Comp-Tac HK VP9L/VP9 Match International Comp Carry Holster - Lever At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator, comp weight, or match weight installed. Manufactured by...HKP-20112-MNow: $44.21Was: $81.95 -
M-LOK Vertical Foregrip - MVG
Magpul
$22.95M-LOK MVG® VERTICAL GRIP M-LOK SLOT SYSTEM The Magpul MVG M-LOK Vertical Grip is a high-quality M-LOK foregrip that attaches securely to M-LOK compatible handguards. It is made of durable polymer and provides a comfortable and secure grip for...HKP-17321$22.95 -
JMac 14F, 15F, 24F, 26F Muzzle Device Shims - FaceMount
JMAC Customs
$9.95JMac Customs Metric Face Mount Shims Custom shims for JMac muzzle devices. This kit includes varying thickness shims to "time" your muzzle device to your desired orientation. These shims are specifically made for JMac 14F, 15F, 24F and 26F muzzle devices...HKP-21446$9.95 -
HK Pistol Field Cleaning Kit - 9mm, .357 SIG
H&K Heckler & Koch
$54.95Heckler and Koch HK 9mm Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder Phosphor Bronze Bore...HKP-01244$54.95 -
TF1913 Pistol Stabilizing Brace - Side-Folding - Picatinny
SB Tactical
$159.99SB Tactical TF1913 Side Folding Pistol Stabilizing Brace - Picatinny Features: Complete assembly, ready-to-install Advanced steel hinge design locks in both folded and extended positions Pull-through design offering quick deployment Rigid polymer...HKP-19776$159.99 -
HK91, G3, HK33, HK93 Grip for Metal Frames - Surplus
H&K Heckler & Koch
$7.95H&K HK G3, HK 91 Grip for Metal Frames - Surplus Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price. Compatible With: HK G3 HK...HKP-16207$7.95 -
HK MP5 Sling Clip for Magwell
HKP HK Parts
$9.95HKP MP5 Sling Clip for Magwell This is the factory correct sling clip that attaches to the left hand side of the magwell. Note: 3 rivets are required to attach - sold separatelyHKP-18313$9.95