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
B&T APC9, APC10, APC45 Telescopic Stock Buttpad
B&T Brugger & Thomet
$165.00B&T APC9, APC10, APC45 Telescopic Stock Buttpad B&T telescopic stock replacement buttpad. Can also be used to convert a B&T telescopic brace to a stock. Compatible With: B&T APC9, APC10,HKP-19968$165.00 -
On Sale
HK VP9 Optic Plate #6 - Sig Romeo 1 - Red Dot Pistol Mount
HKP HK Parts
Now: $28.66Was: $44.95HK VP9 Series Optics Plate #6 - Sig Romeo 1 - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 Series Optic Ready model.New solid billet machined steel optics plate. Each...HKP-19545Now: $28.66Was: $44.95 -
HK 95mm Picatinny Rail Cover
H&K Heckler & Koch
$29.95HK Rubber Picatinny Rail Cover - 95mm New factory HK rubberized Picatinny rail cover. Specifications: Rail cover dimensions: 95x26x7 mmHKP-18858$29.95 -
HK G36, G36K, G36C Bolt Head, Complete - Rare
H&K Heckler & Koch
$599.95Heckler and Koch HK G36, G36K, G36C Complete Bolt Head Rare new German HK bolt head for the G36, G36K, and G36C. This is the correct factory bolt head needed when converting the SL8 to use...HKP-00636$599.95 -
On Sale
HKP Hat - Snapback - Flat Brim - Black
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - Black Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cottonHKP-20462Now: $10.09Was: $19.95 -
HK45, HK45C, USP Compact Magazine Locking Plate
H&K Heckler & Koch
$7.95HK USPC, 45, & 45C Magazine Locking Plate New factory German HK. Compatible With: HK45 HK45 THKP-02250$7.95 -
HK G36, SL8 Extractor
H&K Heckler & Koch
$79.95G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1,HKP-00287$79.95 -
HK G36E Bayonet Lug - Factory
H&K Heckler & Koch
$89.95HK German Factory G36E Bayonet Lug Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions...HKP-00354$89.95 -
HK G36, SL8 Optic Mounting Rail with Iron Sights - Picatinny
H&K Heckler & Koch
$289.95H&K German G36 & SL8 Picatinny Sight Rail With Front And Rear Iron Sights Each rail works well with optics such as Eotech or Aimpoints. This is also a great part if you want a lower cheek weld and...HKP-00274$289.95 -
HK21, HK21E, HK23E, HK11A1 Barrel Handle
Michaels Machines
$74.95HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle. A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5...HKP-00244-M$74.95 -
HK94, HK93 Semi Grip Frame SEF - Metal
HKP HK Parts
$189.95HK MP5,94, 33,93 Style Metal Grip Frame For Semi Auto Shelves Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory...HKP-16470$189.95 -
Magpul RSA - Rail Sling Attachment
Magpul
$29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.HKP-02423$29.95