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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK P2000 Magazine Disconnect Lever
H&K Heckler & Koch
$32.95Heckler and Koch Magazine Disconnect Lever for HK P2000 This part is used in some European and Canadian models to limit the function of the pistol when the magazine is not in play.HKP-02497$32.95 -
Out Of Stock
HK USP Compact Barrel - .45 ACP - 3.80"
H&K Heckler & Koch
$354.95Drop in barrel for HK USP45 Compact HK USPC .45 ACP Barrel Features: Factory barrel for HK USP45 CompactHKP-02064$354.95 -
HK USP Firing Pin Block - Old Style - .40 S&W, .45 ACP
H&K Heckler & Koch
$32.95Heckler and Koch Old Style Firing Pin Block for HK USP Compatible With: USP45 USP40HKP-01927$32.95 -
On Sale
SIGTAC Belt Loop Adapter
Sig Sauer
Now: $6.71Was: $14.95Sig Sauer SIGTAC Belt Loop ITAC Belt loop adapter attaches to any of Sig's paddle retention holsters and mag pouches as a direct replacement of the paddle for closer profile concealed carry. This...HKP-02039Now: $6.71Was: $14.95 -
HK VP9, P30, USPC, P2000 Magazine Locking Plate - 9mm - 10 Round
H&K Heckler & Koch
$19.95HK USP Compact 9mm Magazine Locking Plate for 10 Round MagazinesHKP-02501$19.95 -
On Sale
HK VP9, P30 Compact Paddle Holster LH
Safariland
Now: $53.96Was: $59.95Safariland Compact LH Paddle Holster for HK VP9 and HK P30 The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealment and comfort. With minor adjustments...HKP-17545Now: $53.96Was: $59.95 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and...HKP-18243$494.95 -
Out Of Stock
HK G36 Carrying Handle, Incomplete - 3X Single Optic
H&K Heckler & Koch
$695.99H&K HK G36 Complete 3X Single Optic Carrying Handle Brand new. Mounting hardware offered separately.HKP-16388$695.99 -
HK G36K Handguard - Extended - Picatinny Rail
H&K Heckler & Koch
$149.95HK G36K German Factory Picatinny Extended Bottom Rail Fits all HK G36K newer style handguards with the rail attachment points. This is the full-length version for a full-length bottom rail for the...HKP-01137$149.95 -
HK UMP Flash Hider - 5 Prong - 10mm, .40 S&W, .45 ACP
HDPS
$159.95HK UMP Flash Hider - 5 Prong - 10mm, .40, .45 Designed to fit flanged UMP barrels. Will fit factory HK UMP barrels as well as the UMP 10mm/.40/.45/ US-made barrels offered by HK Parts. Made in...HKP-02368$159.95 -
HK Ump, USC Handstop Screw - Cylindrical
H&K Heckler & Koch
$9.95HK German Hand Stop Screw #21 Cylindrical screw, handstop 5 x 16 mm 219414HKP-16736$9.95 -
On Sale
HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
Now: $637.47Was: $999.95HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple...HKP-18754Now: $637.47Was: $999.95