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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Out Of Stock
HK G36 Buttstock Axle Pin
H&K Heckler & Koch
$38.95G36 Stock Axle Pin For SL8 To G36 Stock Conversion New HK German manufacture. This is the axle pin that holds the G36 or G36C folding stock to the rear section of the receiver. Also used to mount the US-made rear stock block for those who are doing the...HKP-00741$38.95 -
HK VP9 Optic Plate #4 - Leupold DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
H&K Heckler & Koch
$49.95Optics Plate #4 Leupold DeltaPoint Pro & Eotech EFLX - HK VP9, VP9L New HK German OEM manufacture steel optics plate Compatible With: HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR HK VP9SK OR HK VP9A1 K HK VP9A1 F **Plate only works with...HKP-19255$49.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - A5 Style - Gen 2 - RAL8000
H&K Heckler & Koch
$51.95Heckler and Koch A5 Grip V2 - RAL 8000 HK416, MR556, HK417, MR762 G28 A5 Compatible With: HK416, HK416 A5, HK MR556 HK417, HK417 A2, HK MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms Please Note: Color representation is based on...HKP-18467$51.95 -
HK MP5, MP5K Soft Case - Load Out - 28"
HKP HK Parts
$79.95HK Parts Load Out Soft Case 28" long for storing your HK MP5 The HK Parts MP5 Load Out soft case was designed with versatility in mind. The case can be used to transport 1 or 2 MP5 platform firearms and up to 9 magazines securely in the included...HKP-21670$79.95 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Red
Lazy Wolf
$134.95Lazy Wolf VP Series F3 Full Flat Face Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the finest trigger ever developed after more than...HKP-18803$134.95 -
HK VP9, P30, HK45 Optic Plate - Trijicon RMR, Holosun, Swampfox - Red Dot Pistol Mount
HKP HK Parts
$49.95Trijicon RMR Pistol Mount RMR mounting plate to allow the use of the following: Trijicon RMR & SRO models Holosun HE407C / HE407C X2 / HE507C / HE507C X2 / HS407C / HS407C X2 / HS507C / HS507C X2, 508T Swampfox Kingslayer / Liberty /...HKP-18503$49.95 -
HK MP5, SP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO
HKP HK Parts
$119.95HKP - HK MP5 Optic Mount - ACRO - Raised HK Parts brings you one of the most requested optic mounts for the MP5/MP5K platform. A raised design with a direct Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK...HKP-21484-M$119.95 -
HK Mark 23 Magazine Floorplate - .45 ACP - 12 Round
H&K Heckler & Koch
$19.95HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible With: Mark 23 12 round mags SOCOM Mark 23 12 round magsHKP-01196$19.95 -
HK MP5K, SP5K Folding Stock - 10"
Zenith
$99.95Zenith HK MP5K, SP5K, SP89 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5K receivers. Specifications: Polymer and fiberglass reinforced Weight:...HKP-22419$99.95 -
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
$99.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...HKP-01824$99.95 -
Out Of Stock
HK MP5K, SP5K Locking Piece #28 - 80 Degree - 9mm
H&K Heckler & Koch
$199.99H&K MP5K/SP89/SP5K/SP5K PDW 9mm #28 Locking Piece This is the locking piece that is recommended when using a suppressor and 147-grain or heavier bullets. This will slow the rate of fire while suppressed to safe levels. This locking piece is 80...HKP-00918$199.99 -
HK P Series LEM Elbow Spring
H&K Heckler & Koch
$6.95Heckler and Koch HK P Series LEM Elbow Spring Compatible With All LEM Models Below: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-02498$6.95