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 MP5K, SP5K Buffer Replacement - Choate Stocks
Choate
$20.95Choate MP5K and SP5K Buffer Replacement - Choate Stocks Replacement Buffer Kit for HK MP5K, SP89 and SP5K End Caps Keep your HK roller-delayed firearm running reliably with this high-quality ReplaceHKP-21041$20.95 -
HK MP5 Stock Adapter
HKP HK Parts
$149.95HKP MP5 Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H”...HKP-20677$149.95 -
HK VP9 Optic Plate #3 - C-More STS2 - Red Dot Pistol Mount
H&K Heckler & Koch
$51.95Optics Plate #3 C-More STS2 - HK VP9, VP9L OR, VP9SK OR Steel HK OEM optics plate for mounting C-More STS2 optics. Compatible With: HK VP9 OR, VP9 Tactical ORHKP-19254$51.95 -
HK G36K Handguard
H&K Heckler & Koch
$139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing...HKP-00617$139.95 -
On Sale
HK VP9SK Compensator - Quick Detach
HKP HK Parts
Now: $69.71Was: $149.95Comp Weight™ Compensator- Quick Detach - HK VP9SK - HKP Easy on, easy off- Quick Detach technology The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That...HKP-18151Now: $69.71Was: $149.95 -
On Sale
HKP .40 S&W - Micro Comp - Threaded 9/16x24
HKP HK Parts
Now: $18.71Was: $49.95HKP .40 S&W - Micro Comp - Threaded 9/16x24 The HK Parts Micro Comp & Thread Protector is a lightweight, dual-function device serving as both a compensator and thread protector. It attaches easHKP-20369Now: $18.71Was: $49.95 -
Thread Protector - .40 S&W - Tactical Texas Style - 14.5x1 LH
USA
$24.95HKP .40 S&W Tactical Texas Style Thread Protector - Threaded 14.5x1 LH The Texas style thread protector features raised knurling, distinguishing it from the standard HK Style with flat knurling. Made...HKP-19907$24.95 -
HK Mark 23 Front Sight
H&K Heckler & Koch
$54.95HK Mark 23 Front Sight Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12) Please Note: The front sight is manufactured in a single standard size(6.3mm)...HKP-01623$54.95 -
HK VP9, P30, HK45C HD XR Night Sight Set - Orange Front Outline
Trijicon
$169.95Trijicon HK VP/45C/P30 HD XR Night Sight Set - Orange Front Outline The Trijicon HD XR Night Sights were specifically designed with the ever-evolving challenges of law enforcement agencies in mind...HKP-18270$169.95 -
HK P30, P30L, P30S Backstrap - Small
H&K Heckler & Koch
$29.95Heckler and Koch Small Black Backstrap for HK P30, P30L, P30S NewHKP-01571$29.95 -
HK USP Mag Pouch - Single
Comp-Tac
$39.95Comp-Tac HK USP Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single...HKP-17494$39.95 -
HK VP9, P30 Paddle Holster - RH
Safariland
$59.95Safariland Right-Handed Paddle Holster for HK VP9 and HK P30 The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealmeHKP-17409$59.95