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
-
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $19.95Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...HKP-99062Now: $19.95Was: $44.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 4" - Gunsmith Special
USA
Now: $14.95Was: $39.95HK MP5 4" Cocking Tube Extrusion - Gunsmith Special This 4" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and similar...HKP-99060Now: $14.95Was: $39.95 -
HK G36, SL8 Handguard Eye Bolt - Slings, Bipods
H&K Heckler & Koch
$79.95H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models. Steel construction with a durable black finish. Installs easily into the forward portion of the handguard to provide a secure...HKP-21654$79.95 -
HK UMP 4 Prong Ported Flash Hider
HKP HK Parts
$49.95HKP HK UMP 4 Prong Ported Flash Hider 4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...HKP-21578$49.95 -
HK G36 Flash Hider for M.A.R.S QD Suppressor
B&T Brugger & Thomet
$144.99B&T G36 (5.56/.223) Flash Hider for M.A.R.S QD Suppressor Specifications: Made in Switzerland Threaded 15x1 RH Does not include face shims Compatible With: HK G36 5.56/.223 firearms threaded 15X1 RH Compatible with the Following Suppressors: M.A...HKP-21522$144.99 -
HK MP5 Trigger Pack - Single Stage Semi Auto - Ambi
HKP HK Parts
$459.95HKP/H&K MP5 9mm Single Stage Semi-Auto Ambidextrous Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger work. This is the best option for...HKP-21483$459.95 -
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
$2,199.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...HKP-21482$2,199.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Large
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21388$24.99 -
On Sale
Flash Hider .22 Cal - Titanium - Silver
Tactical Precision MFG
Now: $44.95Was: $88.99TPM Tactical Precision MFG Flash Hider .22 LR - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise, and hides the flash. Dust does not kick up due to three offset front ports. Full automatic capable. Less than 1" of rise with a 30...HKP-20778Now: $44.95Was: $88.99 -
Out Of Stock
HK53 A3 German Parts Kit
H&K Heckler & Koch
$6,799.95HK German HK53 A3 Factory Parts Kit Complete Minus The Demilled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst trigger group Factory HK 53 wide forearm 4 prong factory flash hider A3...HKP-20729$6,799.95 -
HK SP5 Trigger Group - SEF Navy - 9mm Match - Clipped and Pinned
H&K Heckler & Koch
$679.95Navy Style - SEF - Match Trigger Group - HK SP5 Ready to drop in your SP5 spec 9mm receiver. Great replacement for the 2 position trigger group. With the match trigger pack installed, the trigger slack take up is eliminated and travel is reduced. The...HKP-20665$679.95 -
HK VP9 Holster - Speed Cant Paddle
Comp-Tac
$69.95Comp-Tac HK VP9 Speed Cant Paddle Holster It's all-Kydex body provides a rigid material that is custom fit to each firearm and maintains its shape even with the pistol un-holstered. The smooth, low friction surface allows for a fast draw and easy...HKP-20010-M$69.95