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 MP7, G36 Picatinny Rail
H&K Heckler & Koch
$59.95H&K HK MP7/G36 Picatinny Rail New HK German 7 Slot Aluminum Picatinny Rail with hardware for HK MP7 and G36. Specifications: MP7 - Side RailHKP-18856$59.95 -
HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm - US
RCM
$44.95RCM MP5 40/10 Low Impulse Locking Piece #24 Made out of enhanced material and heat treated to spec. The # 24 is the 90-degree locking piece. This is also the standard non-high impulse ammo locking...HKP-15148$44.95 -
HK MP5, HK94 Cocking Tube Support - Steel
H&K Heckler & Koch
$84.95New HK Factory German MP5 & HK94 All Steel Cocking Tube Support Each HK cocking tube support is a factory German HK part that comes complete with the detent and spring installed. This part is the...HKP-00094$84.95 -
HK91, G3 Magazine - 20-Round - LEO Laser Marked - Aluminum - Refinished
H&K Heckler & Koch
$38.95Heckler and Koch Refinished 20-Round LEO Laser Marked Magazine for HK91, G3 Factory HK 20-round aluminum magazine for the HK91, G3, PTR, and other .308 pattern firearms. Each magazine starts as a...HKP-22884-M$38.95 -
HK91, G3, HK33, HK93, HK53 Grip For Metal Frames
H&K Heckler & Koch
$24.95Heckler and Koch Grip for Metal Frames for HK91, G3, HK33, HK53, HK93 This HK grip is designed for metal-frame trigger housings used on HK91 and G3 pattern firearms and shares the same grip interface...HKP-22483$24.95 -
On Sale
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1 Only - Red Dot Pistol Mount
Other
Now: $29.96Was: $59.95HK VP9 Optics Plate #12 - ACRO P-1 Optic Mount The all-steel mounting solution for your HK VP9 Series Optic Ready model. Each plate is CNC machined from a solid billet of ordnance-grade steel,...HKP-99339Now: $29.96Was: $59.95 -
On Sale
HK MP5, G3, HK93 Magazine Catch Push Button- Used
H&K Heckler & Koch
Now: $3.71Was: $8.95H&K MP5, G3, PTR, HK93 Push Button for Magazine Catch - Used Factory original HK push button replacement part. Limited quantity available.HKP-99316Now: $3.71Was: $8.95 -
Out Of Stock
ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
F5 MFG
$249.95F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm...HKP-22280-M$249.95 -
HK CC9 Extended Base Plate with Finger Rest
HKP HK Parts
$69.95HKP CC9 Extended Base Plate with Finger Rest This extended base plate gives your CC9 magazine the extended look and enhanced grip of a full-capacity mag without adding any rounds. Perfect for...HKP-22275-M$69.95 -
Out Of StockOn Sale
HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED
H&K Heckler & Koch
Now: $112.46Was: $199.95H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN...HKP-20750-BNow: $112.46Was: $199.95 -
On Sale
HK VP9 Rail Mount Compensator - Midnight Bronze
HKP HK Parts
Now: $97.46Was: $179.95HKP HK VP9 Rail Mount Compensator - Midnight Bronze This HK Parts VP9 rail mount compensator is the perfect accessory for your firearm. Our compensator has a sleek design that flows with the lines of...HKP-21674Now: $97.46Was: $179.95 -
HK45 +5 E2 Magazine Extension Kit
HKP HK Parts
$64.95HKP HK45 +5 E2 Magazine Extension Kit Our HK45 E2 design boldly transforms our magazine extension, giving it an aggressive look along with superior functionality. The enhanced features throughout the...HKP-21627-M$64.95