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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HK416, MR556 Super Modular Handguard - 10.5" - M-LOK - DDC
Geissele
$468.95Geissele 10.5" M-LOK Handguard - DDC for HK416 The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the...HKP-20225$468.95 -
Out Of Stock
HK417, MR762, G28 Magazine Release - Ambidextrous
KDG Kinetic Development Group
$169.95KDG Kinetic Development Group Ambi Magazine Release for HK417, HK MR762, and HK G28 The HK 7.62 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK417...HKP-19204$169.95 -
On Sale
HK MP5 to MP5K Housing Conversion Service
USA
Now: $119.96Was: $149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is...HKP-20473Now: $119.96Was: $149.95 -
HK UMP, USP, HK45 Flash Hider - 5 Prong - Threaded 16x1 LH
HDPS
$99.95HDPS .45 ACP 5 Prong Flash Hider - Threaded 16x1 LH The 5 Prong Flash Hider is designed to fit .45 ACP firearms threaded 16x1 LH This highly anticipated flash suppressor enhances accuracy by up to...HKP-20459$99.95 -
HK P2000 Backstrap - X-Large
H&K Heckler & Koch
$29.95HK P2000 Backstrap With NO Internal Lockout Safety - Extra Large A hard part to find for the HK P2000 Models Compatible With: HK P2000 TheHKP-19726$29.95 -
HK G36, SL8 Dual Optic Sight
H&K Heckler & Koch
$899.95HK G36, SL8 Dual Optic - Red Dot New factory HK G36 and SL8 red dot dual optic. Includes battery. Compatible With: G36 G36KHKP-19552$899.95 -
HK VP9 Holster - Infidel Ultra Max - RH
Comp-Tac
$96.95HK VP9 Infidel Ultra Max Holster - Right Hand The Infidel Ultra Max Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip...HKP-17488$96.95 -
HK417, MR762, G28 Buffer Tube - FDE
H&K Heckler & Koch
$224.95HK G28 Buffer Tube / Receiver Extension- HK Tan (Ral 8000) New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range...HKP-16762$224.95 -
HK45, HK45 Tactical Magazine Housing - 10 Round
H&K Heckler & Koch
$34.95HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK4HKP-02494$34.95 -
HK Mark 23 Recoil Assembly Compression Spring
H&K Heckler & Koch
$19.95Mark 23 Recoil Assembly Compression Spring Brand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol. A high wear item that needs to be changed & replaced often as this is a consumable...HKP-16644$19.95 -
$8.95 -
On Sale
MTAC Holster - RH
Comp-Tac
Now: $80.96Was: $89.95Holsters - MTAC - RH - P30, P30L, HK45, HK45C, P30SK The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00...HKP-17520Now: $80.96Was: $89.95