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 Pistol Field Cleaning Kit - 9mm, .357 SIG
H&K Heckler & Koch
$54.95Heckler and Koch HK 9mm Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners.HKP-01244$54.95 -
On Sale
B&T Short Style Vertical Foregrip - Picatinny - Black
B&T Brugger & Thomet
Now: $63.75Was: $75.00B&T Short Style Vertical Grip - Picatinny - Black B&T Vertical Grip - Short Style- Fixed Swiss made B&T short vertical forend grip. This foregrip is designed to be easily attached to the picatinny...HKP-18426Now: $63.75Was: $75.00 -
On Sale
HK P30 Series Magazine Release - Enhanced
HKP HK Parts
$31.84 - $49.95HKP HK Parts Enhanced Alloy Magazine Release for HK P30, HK P30SK, and HKP30L New HK Parts Enhanced and Over-sized Magazine Release. The oversized magaHKP-21153-M$31.84 - $49.95 -
HK Vertical Foregrip - RAL8000
H&K Heckler & Koch
$69.95H&K Vertical Foregrip - RAL 8K Each Vertical Grip features the factory HK markings & HK's unique locking system. Rotating the knob at the base of the grip to engage/disengage the Picatinny locking...HKP-17689$69.95 -
On Sale
HK91, G3 Tactical Grip for Metal Grip Frames
Ergo
Now: $47.97Was: $59.95Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames The ergonomically enhanced ERGO Tactical Deluxe Grips are compatible with all metal HK grip frames, both the semi-auto & full auto metal grip...HKP-14092Now: $47.97Was: $59.95 -
On Sale
HK MP5, HK94 Optic Mount - Extended - Low Profile - Windowed
MFI
Now: $112.46Was: $124.95MFI MP5, 94 Extended Low Profile Scope Mount-Windowed MFI's newest addition to the line-up is a full inch longer, measuring 6.5 inches and featuring windows to view the factory serial number through...HKP-16225Now: $112.46Was: $124.95 -
HK91, G3, HK93 Stock or Brace Adapter - with Mil-Spec AR Buffer Tube
HKP HK Parts
$124.95HKP HK Mil-Spec AR Brace/Stock Adapter & Buffer Tube AR15 to HK 90 series stock adapter for AR15 stocks that includes the mil-spec buffer tube and castle nut to use any mil-spec AR15/M16 stock of...HKP-16583$124.95 -
On Sale
HK91, G3, MP5 Pistol Grip
AC-Unity
Now: $7.96Was: $9.95AC-Unity HK G3 Pistol Grip Beautifully designed and textured for a great feel and sure grip. Also correct for HK33 or MP5 style weapons using steel trigger housings with buttstocks mounted with steel...HKP-21629Now: $7.96Was: $9.95 -
On Sale
UZI Magazine - 32 Round - New Old Stock
IMI
Now: $42.46Was: $59.95Uzi 32 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to...HKP-21230Now: $42.46Was: $59.95 -
HK91, G3 Firing Pin Spring
H&K Heckler & Koch
$9.95HK German HK G3, HK91, & PTR Firing Pin Spring This is a common repair and replacement item and is great for spares as this is a common breakage part.HKP-00498$9.95 -
HK MP5 Sling Clip for Magwell
HKP HK Parts
$9.95HKP MP5 Sling Clip for Magwell This is the factory correct sling clip that attaches to the left hand side of the magwell. Note: 3 rivets are required to attach - sold separatelyHKP-18313$9.95 -
HK VP9, VP9SK Reflex Sight - Direct Fit SCS
Holosun
$359.95Holosun HK VP9 SCS-MOA Reflex Sight This solar charging sight is designed to attach directly to the slide without an adapter plate and uses an innovative solar charging system with multi-directional...HKP-21336$359.95