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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HK416, MR556, HK417, MR762 Buttstock Release Lever Pin
H&K Heckler & Koch
$6.95HK 416 & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.HKP-16860$6.95 -
$14.95 -
Out Of Stock
HK23E Locking Piece #20T - 70 Degree
H&K Heckler & Koch
$299.95HK23E 70 Degree 20T Locking Piece - German HK New This is hard to find as the HK23E or the parts for the HK23E are no longer in production.HKP-01451$299.95 -
HK91, G3 Enhanced Trigger Group - Match
H&K Heckler & Koch
$649.95HK German 91, PTR, C308 Match Trigger Group - Enhanced New! HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. With the trigger pack not only being converted to semi-auto but the trigger pack has been...HKP-18358$649.95 -
HK91, G3 Buttstock Set with Backplate - Black - Used Good
H&K Heckler & Koch
$299.95Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...HKP-16205$299.95 -
On Sale
HK91, G3 Bolt Carrier - Semi Auto
PTR
Now: $199.95Was: $249.95New US Made HK91, HK G3, PTR-91 Bolt Carrier - Semi Auto Carrier This part is made to exact H&K specs and with the same material. PTR uses HK factory blueprints for manufacturing and quality control. Manufactured at the PTR facility here in the...HKP-01461Now: $199.95Was: $249.95 -
HK MP5 Locking Roller -4 - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch HK German -4 roller for MP5 40/10 Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price listed is per roller. Order...HKP-00337$19.95 -
On Sale
HK MP5 Extractor - .40 S&W, 10mm
RCM
Now: $27.95Was: $34.95RCM US Made Extractor for HK MP5 .40 S&W and 10mm This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.HKP-01969Now: $27.95Was: $34.95 -
HK SP5K Bolt Carrier - Semi Auto - 9mm
H&K Heckler & Koch
$449.95Heckler and Koch HK SP5K 9mm Semi-Auto Bolt Carrier German-made HK SP5K bolt carrier built to the factory semi-auto SP5K specification. This carrier features the correct SP5K closed-front design and semi-auto geometry, making it the proper HK part for...HKP-18207$449.95 -
On Sale
HK MP5K, SP89, SP5K Modular Handguard - KEYMOD - 9mm
DTAC Dakota Tactical
Now: $127.95Was: $159.95DTAC 9mm Modular Handguard KEYMOD for HK MP5K, HK SP89, HK SP5K Features: Made in the USA (922r compliant part) KEYMOD accessory compatible 12 ergonomically placed slots for maximum versatility Exclusive extended forward accessory mounting 1-piece main...HKP-17807Now: $127.95Was: $159.95 -
On Sale
HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1
HKP HK Parts
Now: $67.95Was: $98.95HKP HK Parts Aimpoint ACRO P1 Mount for your HK MP5 and HK MP5K Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean overall look. Full co-witness, this mount is the best in...HKP-99354Now: $67.95Was: $98.95 -
Out Of Stock
HK P30, P30L Parabellum Loadout
HKP HK Parts
$0.00HK P30, P30L Parabellum Loadout Whether you are a fan of the movie or just want the best upgrades for your P30, the Parabellum Loadout checks all the boxes. Kit your HK out to your preference with our select go-fast upgrades. Options: HKP...HKP-22469-KIT$0.00