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 Extractor - 9mm - Enhanced
HKP HK Parts
Now: $27.96Was: $34.95HK MP5, MP5K 9mm Extractor - Latest Generation Style HK Parts offers the finest US made 9mm "F" type extractor for all HK MP5/94 bolt heads. CNC'd from a solid billet of ordnance grade steel for superior function & durability. Each 9mm extractor has...Now: $27.96Was: $34.95 -
On Sale
HK MP5, MP5K Cocking Handle - BLEMISHED
HKP HK Parts
Now: $3.71Was: $9.95HKP MP5, MP5K Cocking Handle - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each new US-made cocking handle is an exact copy of the...Now: $3.71Was: $9.95 -
Out Of StockOn Sale
HK VP9 Optic Plate #4 - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
HKP HK Parts
Now: $39.96Was: $49.95HK VP9 Series Optics Plate#4 - Optic Mount - Leupold DeltaPoint Pro & Eotech EFLX - Steel The finest all steel mounting solution for your HK VP9 Series Opitc Ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a...Now: $39.96Was: $49.95 -
On Sale
HK MP5, HK94, SP5 Stock - SL
Magpul
Now: $143.95Was: $159.95Magpul - SL Stock - MP5, SP5 The Magpul SL Stock HK94/MP5, SP5 delivers the modern qualities found in our original MOE SL® carbine stock for AR15/M4 carbines to MP5-pattern rifles. Durable, lightweight, and collapsible, the SL incorporates Magpul...Now: $143.95Was: $159.95 -
On Sale
HK P30L International Holster - Comp Carry
Comp-Tac
Now: $71.95Was: $81.95Comp-Tac HK P30L International Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best...Now: $71.95Was: $81.95 -
On Sale
HK MP5K, SP5K Telescopic Stock - 9mm - B&T
B&T Brugger & Thomet
Now: $598.50Was: $665.00B&T Telescopic Stock - HK MP5K, SP5K B&T Telescopic 5 position retractable stock for HK SP5K/MP5K and clones Compatible With: MP5K, SP5K style of firearms Specifications: Length adjustable in 5 positions Includes replaceable Elastomer bufferNow: $598.50Was: $665.00 -
On Sale
HK VP9, VP40 Magazine Release - Enhanced - Gen 2
HKP HK Parts
Now: $39.96Was: $49.95Enhanced Magazine Release - Alloy - HK VP Series - Gen 2 - New & Improved The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the...Now: $39.96Was: $49.95 -
On Sale
HK MP5 Poster - Parts Diagram
H&K Heckler & Koch
Now: $3.71Was: $14.95H&K HK MP5 Parts Diagram Poster Factory HK German print of the MP5 breakdown of the iconic MP5. Specifications: Height - 24" Width - 36"Now: $3.71Was: $14.95 -
On Sale
Overwatch Precision 32 Round MP5 Variants 9mm Magazine
Overwatch Precision
Now: $26.95Was: $29.95Overwatch Precision 32 Round MP5 Variants 9mm Magazine The Overwatch Precision Polymer magazine is a 32-round 9mm polymer mag for HK MP5, SP5K, MP5K, SP5K, and factory spec HK MP5,MP5K style clones. Its unique and custom feed lip and follower...Now: $26.95Was: $29.95 -
HK VP Series F3 Trigger - Full Flat Face - 9mm / .40 S&W
Lazy Wolf
$129.95Lazy Wolf's F3 Full Flat Face Trigger for the extensive HK VP Series - Black In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and VP40 handguns. The drop in VP9 series trigger is the best trigger ever...$129.95 -
Out Of StockOn Sale
HK Sling Pin - Small - Quick Detach Attachment
HKP HK Parts
Now: $30.36Was: $37.95HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for the...Now: $30.36Was: $37.95 -
On Sale
HK416, MR556 Gas Block Roll Pin
H&K Heckler & Koch
Now: $5.36Was: $5.95HK 416 & MR556 Gas Block Pin This is the retaining pin for an HK 416 gas block. A must-have, as HK recommends using new pins once they are removed or damaged. Size: 5 x 18 mm.Now: $5.36Was: $5.95