HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
$98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...HKP-21236$98.95 -
On Sale
HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII - 9mm
FA Franklin Armory
Now: $999.95Was: $1,299.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured Complete Franklin Armory BFSIII HK-C1 binary trigger pack assembly configured in a 3-position pictogram contoured housing for HK MP5 and SP5 push-pin...HKP-20004-MNow: $999.95Was: $1,299.95 -
HK MP5 Stock or Brace Adapter
HKP HK Parts
$149.95HKP MP5 Brace/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” buffers to protect your valuable firearm...HKP-20677$149.95 -
HK Single Point Leather Sling - Black
HKP HK Parts
$49.95Single Point Leather Sling - Black Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20151$49.95 -
On Sale
HK VP9SK Compensator - Quick Detach
HKP HK Parts
Now: $92.95Was: $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 slides effortlessly onto your pistol...HKP-18151Now: $92.95Was: $149.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw
H&K Heckler & Koch
$16.95HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. Compatible With: HK HK416 HK MR556 HK HK417 (2 required per handguard) HK MR762 (2 required per handguard)HKP-16601$16.95 -
HK MP7 Retractable Buttstock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
Out Of Stock
HK MR556, MR223 Upper Receiver - Forward Assist and Ejection Door
H&K Heckler & Koch
$694.95New HK German Partially Pre-Assembled Upper Receiver for HK MR556 and HK MR223 Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory. Compatible...HKP-16950$694.95 -
HK416 Compensator Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$39.95Heckler and Koch 5.56 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded 1/2x28 for use on all HK416, MR556 and other AR style applications. Compatible With: HK416, MR556, MR223 HK G36, SL8 B&T APC223 AR-15/M16 HK Firearms 5.56 / .223...HKP-16926$39.95 -
Out Of Stock
HK G36C Barrel Conversion and Front End Kit - 5.56 / .223 - 8.9" - Threaded 15x1
HKP HK Parts
$889.95G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...HKP-18228$889.95 -
HK91, G3 Trigger Group - 5 U.S. 922 Parts
PTR
$369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all German HK parts to make up the rest of the trigger...HKP-02643$369.95 -
Out Of Stock
HK53, HK51 Vented Handguard - Vertical
H&K Heckler & Koch
$149.95HK German HK53, HK51 Vented Hand Guard - Vertical Style This HK German part is the proper length for use on the HK 53 or HK51 length receivers. The handguard is vented on all 3 sides to promote barrel cooling and provide additional grip. Compatible...HKP-00469$149.95