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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On Sale
HK MP5, MP5K, SP5, SP5K Bolt Head - 9mm
RCM
Now: $196.84Was: $224.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use...HKP-01241Now: $196.84Was: $224.95 -
Out Of Stock
HK MP5 Cleaning Brush Combo
HKP HK Parts / Heckler & Koch
$44.95HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly...HKP-16680$44.95 -
Out Of Stock
HK MP5, HK94 Modular Handguard-M-LOK
DTAC Dakota Tactical
$165.95DTAC MP5, HK94 Modular Handguard - M-LOK Features: Made in the USA (922r compliant part) M-LOK accesHKP-17806$165.95 -
Out Of Stock
B&T Vertical Foregrip - Short Style - Quick Detach - Coyote Tan
B&T Brugger & Thomet
$75.00B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water...HKP-18041$75.00 -
HK91, G3 Locking Piece - 45 Degree
H&K Heckler & Koch
$29.95Heckler and Koch New Old Stock German HK Locking Piece for G3, 91, and PTR This is the factory-correct 45-degree locking piece for HK 91/G3 and PTR .308 full-length firearms. All steel construction...HKP-00499$29.95 -
Out Of Stock
HK MP5K Picatinny End Plate Adapter
MI Midwest Industries
$89.95MI HK MP5K 1913 Picatinny End Plate Adapter The Midwest Industries Picatinny end plate adapter opens up a myriad of off-the-shelf stock and brace options. The adapter installs in the same manner as...HKP-21584$89.95 -
HK P30, P30S Tactical Barrel - 9mm - 4.48" - Threaded 13.5x1 LH
H&K Heckler & Koch
$299.99H&K P30/P30S 9mm Tactical Barrel - Threaded 13.5x1 LH New factory OEM German barrel mande at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs...HKP-16851$299.99 -
On Sale
HK MP5, AP5 Slimline Handguard
MKE
Now: $25.28Was: $44.95MKE AP5/MP5 Slimline Forearm The classic and rare slimline style hand guard crafted by MKE in Turkey is specifically designed for the Century AP5, MP5, and other in-spec clones. The original HK...HKP-22222Now: $25.28Was: $44.95 -
On Sale
HK VP40 Compensator- Rail Mount - Gen 2
HKP HK Parts
Now: $74.96Was: $169.95HKP HK VP40 Gen 2 Rail Mount Compensator Specifications: Length: 4 1/4 inches HeighHKP-19170Now: $74.96Was: $169.95 -
On Sale
HK VP9, P30, HK45 Holster for Lights and Lasers - L Line
Comp-Tac
$54.16 - $85.95Comp-Tac L Line Holster for Lights and Lasers for HK VP9, HK P30 and HK45 The L Line Holster OWB- A Multi-Fit Solution for Firearms with Light or Laser Attachments Features: Modular design...HKP-18825-M$54.16 - $85.95 -
Out Of Stock
HK G36, 36K Folding Stock - Full Size
H&K Heckler & Koch
$89.95HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length...HKP-00277$89.95 -
HK P30 Series Right Slide Release Shorty
H&K Heckler & Koch
$32.95Heckler and Koch Right Slide Release Shorty for HK P30 Series This is a shorter version slide release for the HK, P30, P30L, P30S, P30SK, and P30SKS "Safety" version models. The short models are...HKP-02487$32.95