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 MP5 Recoil Rod Bushing - .40 S&W, 10mm, .357 SIG
H&K Heckler & Koch
$9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441$9.95 -
Out Of Stock
HK MP5 Magazine Follower - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch Magazine Follower HK MP5 40,10 A perfect replacement part for all HK MP5 40,10 magazines.HKP-01635$19.95 -
HK MP5K Trigger Group - Semi Auto- Navy SEF - Clipped and Pinned
H&K Heckler & Koch
$599.95MP5K Navy Style SEF Semi Trigger Group - C/P HK German manufactured parts. Each unit comes with the professionally converted SEF navy style SEF clipped & pinned housing and semi auto only German HK trigger pack. All trigger groups include a new 3rd...HKP-18055$599.95 -
On Sale
HK MP5K, SP5K, SP89 Trigger Group - 3 Position Semi-Auto - Clipped and Pinned
H&K Heckler & Koch
Now: $1,289.95Was: $1,899.95Heckler and Koch MP5K, SP5K Semi Auto 3 Position Trigger Group - Clipped and Pinned Semi-automatic trigger group configured in a 3-position clipped and pinned housing. Provides the appearance of a factory 3-position configuration while retaining a...HKP-00186Now: $1,289.95Was: $1,899.95 -
Out Of Stock
HK MP5 Trigger Housing - Burst 3 Position 0,1,3 Pictogram - Push Pin Style - USED
H&K Heckler & Koch
$199.95H&K 3 Position (0,1,3 Pictogram) Burst Trigger Housing - Push Pin Featuring the 3 Position pictogram (0,1,3), this housing is crafted from durable black polymer. This ambidextrous housing is push pin for a secure fit on semi-auto receiver shelves...HKP-02697$199.95 -
HK MP5N Parts Kit - A3 Stock and Navy 3 Position Lower - RARE
H&K Heckler & Koch
$2,958.95H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$2,958.95 -
HK MP5 9mm Parts Kit 100% German - A2 Stock - FBI Lower
H&K Heckler & Koch
$1,889.95HK German MP5 9mm Used Parts Kit Complete MP5 Parts Kit - 9mm (Minus Receiver) All MP5 Kits: 100% German Parts HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto Two small and one...HKP-01911$1,889.95 -
HK MP5, HK94, SP89, SP5K Optic Mount - Low Profile - Picatinny
CFG
$119.95CFG Low Profile Rear Sight Base Mount - 10 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm. Made in the...HKP-18236$119.95 -
HK MP5 Folding Stock - 3 Position Adjustable
B&T Brugger & Thomet
$389.95B&T Brugger & Thomet 3 Position Adjustable Folding Stock for HK MP5 Swiss made B&T folding and length adjustable stock for the HK MP5. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide...HKP-18100$389.95 -
Out Of Stock
HK 4 Position Ambidextrous 0,1,2,F Burst Trigger Pack
H&K Heckler & Koch
$0.00H&K 4 Position Ambidextrous 0,1,2,F Burst Trigger Pack New HK German 4 position burst trigger pack complete available in your choice of 9mm, 40/10, .223 & .308. We can set up each trigger pack in any caliber you wish (please specify when checking...HKP-00149$0.00 -
HK 3 Position Ambidextrous Selector Lever - BURST ONLY
H&K Heckler & Koch
$99.47H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...HKP-01294$99.47 -
HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
RCM
$204.95RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28 Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...HKP-17762$204.95