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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Out Of Stock
Tailhook Mod 1C Brace
Gear Head Works
$164.95Gear Head Works Tailhook Mod 1C The Patented Tailhook MOD 1C is 30% lighter and 30% more compact than or standard Mod 1. With a profile similar to the SCW Tailhook it truly is the most compact pistol brace on the market today. At less than an inch thick,...HKP-19655$164.95 -
On Sale
HK MP5K, SP5K, SP89 Stock - Folding - 9mm
Choate
Now: $179.95Was: $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...HKP-00390Now: $179.95Was: $199.95 -
On Sale
HK USP Pistol Light, Laser Adapter - Mount
HKP HK Parts
Now: $14.95Was: $28.95HKP HK USP Pistol Light, Laser Adapter This is the flashlight adapter needed for all HK USP Full Size Pistols to attach an aftermarket light or laser to the bottom rail of the firearm since HK USP's use a proprietary rail system. Made from hard coat...HKP-00960Now: $14.95Was: $28.95 -
HK VP9, P30 Magazine - 17 Round - 9mm
H&K Heckler & Koch
$45.95Heckler and Koch 17 Round HK VP9, HK P30 9mm Complete Magazine New HK German manufacture and factory fresh production. Each factory HK all-steel bodied magazine holds 17 rounds of 9mm ammunition for use in all P30, P30L, P30S, and HK VP9, VP9L 9mm models...HKP-19277$45.95 -
On Sale
HK33, HK53, HK93, HK91, G3, MP5 Optic Mount - Front Sight Tower - Picatinny
HKP HK Parts
Now: $31.95Was: $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...HKP-16672Now: $31.95Was: $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...HKP-00656$1.95 -
On Sale
HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US
HKP HK Parts
Now: $7.95Was: $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...HKP-17507Now: $7.95Was: $9.95 -
Out Of Stock
HK VP9SK, P30SK Magazine - 17 Round
H&K Heckler & Koch
$49.95H&K 17 Round HK VP9SK/P30SK 9mm Magazine New factory HK 17 round magazine for the VP9SK & P30SK. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit, durability and...HKP-20601-M$49.95 -
On Sale
HK USP, P2000, HK45C Magazine Release - Enhanced
HKP HK Parts
Now: $39.95Was: $49.95HKP HK Parts Enhanced Magazine Release for HK US, HK P2000, and HK45C Upgrade your pistol's performance with our oversized magazine release. Crafted from durable 6061 billet aluminum, this US made component offers an expanded surface area for quicker,...HKP-19287-MNow: $39.95Was: $49.95 -
HK33, HK53, HK93, HK91, G3 Buffer Screw Locking Washer - Zinc Plated
H&K Heckler & Koch
$0.25HK G3, 91, PTR & HK93, 33, 53 - Locking Washer For Small Buffer Screws New not surplus latest generation of G3, 91, PTR toothed locking washer. Zinc plated (galvanized) as to not corrode or rust like the older style units found on surplus stocks...HKP-17882$0.25 -
On Sale
HK P30, P30L Magwell - Low Profile
HKP HK Parts
Now: $47.95Was: $59.95HK P30, P30S & P30L Tactical Low Profile, EDC Magwell - 9mm & .40 Cal This low-profile mag-well is for the average everyday P30 owner who would like the enhancements and competitive advantage a mag-well offers without the bulk of the larger...HKP-21150-MNow: $47.95Was: $59.95 -
HK P30, HK45, HK45C, USP Firing Pin Block Spring - Light- New Style
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,...HKP-01955$7.74