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 VP40 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED
HKP HK Parts
Now: $70.46Was: $189.95HKP HK VP40 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED DOES NOT INCLUDE ALLEN WRENCH COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE...HKP-99082Now: $70.46Was: $189.95 -
On Sale
Dual Magazine Pouch - 338LM - Velcro Mount
B&T Brugger & Thomet
Now: $9.71Was: $24.95B&T Dual Magazine Pouch - 338LM Designed for the B&T APR338 but will fit other, similarly sized magazines. Made from heavy duty Cordura fabric in Poland by NFM Group.HKP-21883Now: $9.71Was: $24.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $14.96Was: $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...HKP-99062Now: $14.96Was: $44.95 -
On Sale
HK P30 Conversion Barrel - .40 S&W to 9mm - Threaded 13.5x1
RCM
Now: $193.46Was: $214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1HKP-21786Now: $193.46Was: $214.95 -
HK P30 MOD 1 Compensator - Threaded Barrel
HKP HK Parts
$179.95HKP HK P30 MOD 1 Compensator - Threaded Barrel The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil,...HKP-21220$179.95 -
On Sale
HK G3K, HK33K Flash Hider - 4 Prong - Open
RCM
Now: $119.82Was: $187.95RCM HK G3K/HK33K Flash Hider - 4 Prong - Open The RCM G3K and HK33K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in...HKP-21599Now: $119.82Was: $187.95 -
On Sale
HK91, G3 Blast Can - Threaded 5/8x24
MI Midwest Industries
Now: $24.83Was: $38.95MI Blast Can 5/8x24 Thread Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does nHKP-21536Now: $24.83Was: $38.95 -
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...HKP-21482$2,199.95 -
On Sale
Vector Arms V51 Fixed Stock
HKP HK Parts
$178.46 - $178.47H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked...HKP-21270-M$178.46 - $178.47 -
On Sale
Bolt Knob - Drake - Titanium
Tactical Precision MFG
Now: $18.71Was: $44.99Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features:HKP-20782Now: $18.71Was: $44.99 -
On Sale
Bolt Knob - Fluted - Titanium
Tactical Precision MFG
Now: $18.71Was: $48.99TPM - Fluted Bolt Knob - Titanium These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features:HKP-20769Now: $18.71Was: $48.99 -
On Sale
Bolt Knob - Acorn - Titanium
Tactical Precision MFG
Now: $18.71Was: $48.99Acorn Bolt Knob The Acorn Bolt knob is the perfect addition for those that want to dress up their rifle. It has a good grip, and they stand out in the crowd. Features:HKP-20761Now: $18.71Was: $48.99