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.
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HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic
H&K Heckler & Koch
$49.99H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93HKP-01423$49.99 -
HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny
CFG
$99.95CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm...HKP-18235$99.95 -
HK MP5/SP5K Rear Sight Set Complete-Used
H&K Heckler & Koch
$109.95HK German MP5 & HK94 Rear Sight Set Complete - Used Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum with a brand-new German...HKP-00671$109.95 -
HK VP9, P30 Enhanced Magazine Extension Kit +7
HKP HK Parts
$64.95Magazine Extension Kit +7 - HK VP9, HK P30 Our enhanced magazine extension takes our proven design to the next level with innovative grip cuts, ensuring you maintain a secure grasp during rapid magazine swaps even in slippery conditions. Experience the...HKP-21592-M$64.95 -
HK416, MR556 Battlesight Set - Folding - 45 degree Offset
Troy Industries
$265.95HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...HKP-21289-M$265.95 -
HK MP5, 94 Trigger Group - Engraved 3 Position Navy Housing 0,1- Safe, Semi Only
$749.95H&K / HKP HK MP5, 94 Trigger Group Engraved 3 Position Navy Housing 0,1- Safe, Semi Only Finally, a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous trigger group in a 3 position Navy factory German HK...HKP-17237$749.95 -
HK UMP Enhanced Top Rail - Red
HKP HK Parts
$49.95HKP HK UMP Enhanced Top Rail - Red HK USC, UMP top receiver rail with hardware. The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured no snag design for ease of use and a beautiful fit. Includes: Each...HKP-20812$49.95 -
HK SL8, G36 Top Rail Screw
H&K Heckler & Koch
$14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390$14.95 -
Laserguard HK VP9/VP9SK, HK VP40 LG-499 - Red
Crimson Trace
$199.95LG-499 RED LASERGUARD VP9, VP9SK, VP40 The LG-499 Laserguard® is a powerful red laser sight designed for the Heckler & Koch® (HK®) VP series of pistols including: VP9, VP9SK and VP 40. Featuring a5mW peak, 620-670nm, Class 3R red...HKP-18566$199.95 -
On Sale
HK VP9L Compensator - Quick Detach
Comp Weight
Now: $99.95Was: $169.95HK VP9L - Quick Detach Comp Weight ™ EASY ON, EASY OFF - QUICK DETACH TECHNOLOGY The HK Parts VP9L, Comp Weight™/compensator is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...HKP-19129Now: $99.95Was: $169.95 -
B&T USW-A1 Magazine - 9mm - 19 Round
B&T Brugger & Thomet
$55.00B&T 19 Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 19 Round magazine Compatible With: B&T USW-A1 9mm Specifications: Factory new condition 19-round capacity 9mmHKP-18354$55.00 -
HK33, HK33K, HK93 Bolt Carrier - Full Auto - US
RCM
$359.95HK 93, 33 & 33K Full Auto Bolt Carrier - US - RCM Brand new US RCM manufactured new style HK33/93, 33K factory bolt carrier. The finest HK bolt carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for...HKP-20537$359.95