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 CC9 Magazine Floorplate and Locking Plate Set - 9mm - 12 Round - Extended
H&K Heckler & Koch
$29.95 - $37.95Heckler and Koch HK CC9 Extended Floor Plate and Locking Plate Set Factory HK replacement extended floor plate, locking plate, and spring set for CC9 12-round magazines. Finished in Cerakote, this...HKP-22101-M$29.95 - $37.95 -
HK Torx Screw Set for Binary Selector Lever - Upgrade
HKP HK Parts
$2.95HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set. Torx hardware is less likely to strip than standard allen key hardware. Good spares to have on hand...HKP-21816$2.95 -
On Sale
HK45 MOD 1 Compensator
HKP HK Parts
Now: $161.96Was: $179.95HK Parts MOD 1 Compensator: H&K HK45 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you...HKP-21222Now: $161.96Was: $179.95 -
On Sale
Surefire ST Mounting Plate - Tape Switch - M-LOK
Magpul
Now: $13.46Was: $14.95Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer...HKP-21480Now: $13.46Was: $14.95 -
On Sale
HK Rifle Cleaning Kit - Soft Pouch - 7.62 / .308 / .30
Now: $7.46Was: $14.95Cleaning Kit - Soft Pouch NOS (new old stock) soft pouch cleaning kit for the .30 caliber family of firearms. Includes the following: Soft pouch Wicks and oiler canister (empty) Pull-through...HKP-21274Now: $7.46Was: $14.95 -
HK MP5K Bolt Carrier - Semi Auto
RCM
$184.95RCM HK MP5K Semi Auto Carrier MP5K, SP89 semi-auto carrier machined completely from billet ordnance steel. RCM's US made MP5K carrier is made to the most updated and latest MP5K specs and more...HKP-20982$184.95 -
HK UMP, USC Top Rail for Optics with Screws - Extended
H&K Heckler & Koch
$79.95H&K HK UMP & HK USC Extended Top Rail For Optics with Screws This rail is nearly an 1" longer than the standard length top rail. This Picatinny top rail allows the user to add an Eotech, Aimpoint,...HKP-20502$79.95 -
HK VP9, VP40 Grip Wrap for Medium Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm, improving performance, safety, and...HKP-20247$19.99 -
On Sale
HK MP5 Brace With Direct Fit Adapter
HKP HK Parts / SB Tactical
Now: $269.96Was: $299.95HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined...HKP-20214Now: $269.96Was: $299.95 -
On Sale
HK UMP, B&T APC Pistol Stabilizing Brace
SB Tactical
Now: $53.96Was: $59.95SB Tactical HK UMP Pistol Stabilizing Brace The second generation of the SBT and enhances your B&T APC, HK UMP, or LWRCi SMG45 with an integral, right side-folding mechanism and an arm cuff based on...HKP-20084Now: $53.96Was: $59.95 -
HK VP9, VP40 Backstrap - Large - Black
H&K Heckler & Koch
$29.95H&K HK VP9, HK VP40 Backstrap - Large - Black New HK German manufacture. Large Backstrap VP full-size series. Compatible With: HK VP9, VP9L,HKP-16815$29.95 -
HK VP9, VP40 Grip Panel Left Side - Medium
H&K Heckler & Koch
$17.95H&K VP9, VP40 Grip Panel Left Side - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. CompatibleHKP-16806$17.95