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 Compact Range Bag
H&K Heckler & Koch
$71.95H&K Compact Range Bag Features: Size: 13" x 7.5" x 4" Color: Black <HKP-20134$71.95 -
HK VP9, P30 Magazine - 20 Round - Red Follower - 9mm
HKP HK Parts / Heckler & Koch
$79.95HKP HK Parts and Heckler and Koch 20 Round 9mm Complete Magazine for HK VP9 and HK P30 HK Parts +5 Gen 2 magazine extension coupled with a 15 round factory German magazine body & red follower that...HKP-18548$79.95 -
Out Of Stock
HK45 Barrel - .45 ACP - 5.87" - Threaded 16x1 LH
RCM
$250.00RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated...HKP-08926$250.00 -
HK VP9, P30, HK45 Factory Rear Sight
H&K Heckler & Koch
$72.95HK Factory Rear Sight Compatible With: VP9, VP9SK, VP40 (Excludes OR Slides) HK45 HK45 CompactHKP-02161$72.95 -
Out Of Stock
HK P2000,P2000SK HD Night Sight Set - Orange
Trijicon
$154.99Trijicon HK P2000/P2000SK HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight...HKP-14963$154.99 -
HK G36, SL8 Extractor Axle - USA
$6.95HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, SL8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 modelsHKP-18370$6.95 -
On Sale
HK91, G3, PTR91 Stock with Enhanced Buffer, Complete
Magpul
Now: $764.96Was: $899.95Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to...HKP-16698Now: $764.96Was: $899.95 -
HK PTR91 Triple Frame Sight Tower
H&K Heckler & Koch
$49.95PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each...HKP-16325$49.95 -
On Sale
PTR Flash Hider - G28 Style - Threaded 5/8x24 RH
MFI
Now: $71.96Was: $79.95MFI PTR Flash Hider - .223/5.56 - G28 Style - 5/8x24 RHHKP-17940Now: $71.96Was: $79.95 -
On Sale
HK MP5 Stock or Brace Adapter - AR
HKP HK Parts
Now: $73.28Was: $114.95HKP MP5 AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your...HKP-17118Now: $73.28Was: $114.95 -
HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1
MKE
$49.95 - $59.95MKE AP5, HK MP5 Contoured Trigger Housing - 0,1 This contoured trigger housing is manufactured by MKE for MP5 and AP5 pattern firearms. Designed for 9mm platforms, it provides a factory-correct...HKP-99361-M$49.95 - $59.95 -
HK45 +5 Enhanced Magazine Extension Kit
HKP HK Parts
$64.95HKP HK45 +5 Magazine Extension Kit HK Parts magazine extension +5 kit adds 5 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. Ideal for...HKP-21444-M$64.95