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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$474.95 -
Out Of Stock
HK91, G3 Handguard - Slimline Style - Used Excellent Condition
H&K Heckler & Koch
$0.00Used Authentic German Military Surplus G3 Black Slim Line Forearm With Heat Shield Used in excellent shape. For the money, these are a nice addition to the collection. Each item will fit all full...HKP-18317$0.00 -
On Sale
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
Now: $149.78Was: $234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also...HKP-16952Now: $149.78Was: $234.95 -
HK MP5 Trigger Group - 3 Position Navy 0,1 Safe Semi Only - Clipped and Pinned - .40 S&W, 10mm
HKP HK Parts
$729.95HKP MP5 40/10 Trigger Group 3 Position Navy Housing (0,1) - Safe/Semi Only - Clipped & Pinned Finally a lower cost alternative to the spendy & hard to find all German HK FBI or 0,1 ambidextrous...HKP-17247$729.95 -
HK MP5K, SP89 Bolt Carrier - Full Auto - 9mm
H&K Heckler & Koch
$1,949.95HK German MP5K Full Auto Bolt Carrier - Latest Style Contour Each bolt carrier is designed to fit all HK MP5K's, SP89, and K-style clones seamlessly. Crafted from the latest tungsten-filled HK German...HKP-00385$1,949.95 -
HK MP5 Trigger Group - Burst 4 Position 0,1,2,F - 9mm
H&K Heckler & Koch
$3,099.95HK Heckler and Koch 9mm Burst 4 Position Trigger Group 0,1,2,F for HK MP5 Each trigger group is brand new and factory fresh, directly from HK, designed specifically for push pin style factory MG's...HKP-01421$3,099.95 -
HK MP5, G3, HK33 Hammer with Pressure Shank for Burst Trigger Groups
H&K Heckler & Koch
$349.952 or 3-Round Burst Hammer with Pressure Shank HK factory burst trigger pack hammer and pressure shank. Compatible with 2 and 3-round burst trigger packs: (0,1,3,F), (0,1,2,F), (0,1,3), (0,1,2)...HKP-00851$349.95 -
HK MP5, HK94 Optic Mount - 246mm - Low Profile - Picatinny
B&T Brugger & Thomet
$239.95B&T MP5, 94 Low Mount, Extra Long Scope Rail Swiss made, military grade, B&T MP5 extra long low-profile scope mount. Requires the removal of the MP5 rear sight. Provides the longest possible...HKP-16881$239.95 -
HK VP9CC Screw For Cover Plate (Set of 2)
H&K Heckler & Koch
$5.95HK VP9CC Screw For Cover Plate Screw set for securing the optic cover plate on Heckler and Koch VP9CC pistols. Available as a set of 2 screws. Compatible With: VP9CCHKP-22744$5.95 -
On Sale
HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style
MFI
Now: $151.16Was: $167.95HK MP5, SP5 3-Lug Faux Suppressor - Early classic SD Style MFI replicates the classic appearance of an early MP5SD suppressor. This new design enhances the authenticity of your build for those who...HKP-22439Now: $151.16Was: $167.95 -
HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
JMAC Customs
$116.951/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the...HKP-22408$116.95 -
Rail Panel Cover - M-LOK - 6 Slot
JMK
$28.95JMK Rail Panel Cover - M-LOK - 6 Slot JMK M-LOK rail panels are compatible with platforms featuring 6 M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold...HKP-22404-M$28.95