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.
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On Sale
HK Semi Auto Spacer with Elbow Spring - Match Grade
PTR
Now: $9.95Was: $11.95PTR Semi Auto Spacer With Elbow Spring - Match Grade For use on all HK semi-auto trigger packs. It's a must-have for those converting a full auto trigger pack to semi-auto. This unit provides a "match" grade feel to your trigger pull.HKP-00838Now: $9.95Was: $11.95 -
Out Of Stock
HK MP5, SP5K Optic Mount - 5 - 5/8" - MLI - Picatinny Rail
H&K Heckler & Koch
$359.99HK German Low Profile Mount for HK MP5, SP5 & MP5K, SP5K - MLI HK German manufactured HK MP5, MP5K low profile Picatinny scope mount. Manufactured at HK in Germany as part of the "Mid-Life Improvement" upgrade for the HK MP5 family of firearms. The...HKP-17629$359.99 -
HK P2000, USPC Magazine - .40 S&W - 12 Round
H&K Heckler & Koch
$49.00 - $49.95Heckler and Koch German 12 Round Magazine for USP40 Compact and P2000 - .40 S&W HK German 12-round magazine for USP40 Compact and P2000 pistols chambered in .40 S&W. Built with all steel construction and a rubberized floorplate with finger rest...HKP-00313-M$49.00 - $49.95 -
Out Of StockOn Sale
HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
UTG PRO
Now: $57.95Was: $64.95UTG HK MP5/MP5K Claw Mount - Extended Picatinny UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount features an extended Picatinny rail, lightweight matte black...HKP-21606Now: $57.95Was: $64.95 -
On Sale
HK VP9 Optic Plate #8 - Holosun 407K, 507K - Red Dot Pistol Mount
HKP HK Parts
Now: $39.95Was: $49.95HK VP9 Series Optics Plate #8 - Holosun 407K/507K 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 plate is CNC machined from a solid billet of...HKP-20016Now: $39.95Was: $49.95 -
On Sale
HK VP9 Thumb Rest Takedown Lever
Align Tactical
Now: $53.95Was: $59.95Align Tactical HK VP9 Thumb Rest Takedown Lever The Align tactical thumb rest takedown lever integrates an ergonomic ledge for the support hand’s thumb to firmly lock down against, serving as a brake against muzzle flip to provide the fastest...HKP-20590Now: $53.95Was: $59.95 -
HK MP5K, SP5K, SP89 Folding Stock
B&T Brugger & Thomet
$275.00B&T Brugger and Thomet HK MP5K, SP5K, SP89 Folding Stock Factory Swiss-made B&T folding stock for MP5K-pattern firearms. This military-grade stock is built to the same specifications B&T supplies to OEM contracts and installs using standard...HKP-00172$275.00 -
On Sale
HK MP5SD Sealing Ring - Enhanced
HKP HK Parts
Now: $7.95Was: $9.95HKP HK Parts Enhanced Sealing Ring for HK MP5SD The enhanced sealing ring is made from a newer, longer-lasting material as well as having a slightly thicker profile for secure sealing. The MP5SD sealing ring is the gasket that seals the SD...HKP-18053Now: $7.95Was: $9.95 -
On Sale
HK P30, P30L, P30SK Straight Trigger
Grayguns
Now: $84.95Was: $95.00Grayguns HK P30/P30L/P30SK Straight Trigger Designed by Keith Hosey, Grayguns' director of gunsmithing, the HK P30 Straight Trigger is a first-of-its-kind in the market. Fits all P30 variants. Reduces over-travel while featuring a 90-degree optimal...HKP-19748Now: $84.95Was: $95.00 -
On Sale
HK91, G3 Rubberized Mag Pouch - Surplus
Now: $4.95Was: $9.95German Surplus Green Rubberized Mag Pouch Used Compatible With: HK G3, 91, PTR & CETME Custom HK builds & HK Clones Please note: These range in shades of green color from OD green to Jungle green. If you have a preference please make a note...HKP-16321Now: $4.95Was: $9.95 -
On Sale
HK MP5, SP5, AP5 Handguard - SL
Magpul
Now: $44.95Was: $49.95Magpul HK MP5, HK SP5, HK AP5 SL Handguard The Magpul SL handguard for the HK MP5 is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics and anti-slip texturing. It also includes M-LOK®...HKP-19309-MNow: $44.95Was: $49.95 -
Out Of StockOn Sale
HK MP5, MP5K Locking Piece - 100 Degree - RCM
RCM
Now: $34.95Was: $39.95RCM MP5, HK94 & MP5K 100 Degree Locking Piece Each 100-degree MP5 locking piece is the proper, correct locking piece for all HK MP5, HK94 and full-size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants,...HKP-01242Now: $34.95Was: $39.95