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 VP9, VP9SK Cocking Aid Filler Left, Right Set
H&K Heckler & Koch
$19.95Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol. These are a drop in part for the HK VP9 pistol. Brand new...HKP-17213$19.95 -
Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH
HKP HK Parts
$14.95HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS threaded pistol...HKP-02646$14.95 -
HK45 +5 Magazine Extension Kit
HKP HK Parts
$64.95HKP HK45 +5 Magazine Extension Kit HK Parts magazine extension +5 kit adds 5 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when...HKP-20809-M$64.95 -
HK VP9, VP9SK, VP40 Enhanced Slide Cap - Red
HKP HK Parts
$29.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...HKP-17857$29.95 -
Out Of Stock
B&T Vertical Foregrip - Short Style - Quick Detach - Coyote Tan
B&T Brugger & Thomet
$75.00B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...HKP-18041$75.00 -
HK MP5, MP5K Optic Mount - 5 5/8" - MLI - Picatinny Rail - RAL8000
H&K Heckler & Koch
$351.95HK German Low Profile Mount For HK MP5, MP5K- MLI - RAL 8000 HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK Germany as part of the "Mid-Life Improvement" upgrade for the MP5 family of firearms. The first Picatinny style low...HKP-17661$351.95 -
On Sale
IMI 32 Round UZI Magazine - LIKE NEW
IMI
Now: $32.95Was: $44.95Uzi 32 Round 9mm Magazine - Like New - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowed Mec-Gar magazine manufacturing company with IMI Licensing. An all steel production and a blued finish to help protect it against rust. These are the...HKP-21231Now: $32.95Was: $44.95 -
HK45, HK45C, P30, P2000 , USP Flat Spring
H&K Heckler & Koch
$9.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...HKP-01259$9.95 -
HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells
H&K Heckler & Koch
$34.95New HK German G36 & HK SL8 Push Pin For Forearm, Mag Well Or Lower Each push pin is a factory German part and is new. This is also required for those doing the SL8 to G36 style conversions. A factory German G36 uses three of these factory push pins...HKP-00804$34.95 -
Selector Lever Set - Ambi 0,1 - Extended
HKP HK Parts
$99.95Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1...HKP-17229$99.95 -
HK G3/HK91 Anti-Rattle Mag Release - Surplus
H&K Heckler & Koch
$24.95H&K HK G3, HK 91, PTR, HK 93, HK 53, HK 33 Anti-Rattle Mag Release - Surplus Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK .223 & .308 HK Rifles. This is the highly desired...HKP-17855$24.95 -
HK MP5 Trigger Group – 2 Round Engraved Binary Housing
HKP HK Parts / FA Franklin Armory
$1,299.95Franklin Armory BFSIII HK-C1/HKP MP5 Trigger Group – 2 Round Engraved Binary Housing - Clipped & Pinned 3 Position, 2 round burst style engraved pictograph – HK binary trigger group. Our latest and greatest Binary trigger group freshly...HKP-20969-M$1,299.95