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, MP5K Front Sight Tower
H&K Heckler & Koch
$169.95H&K MP5, MP5K Front Sight Tower This is the factory-correct part for your HK MP5, MP5K build, not a recycled or incorrect G3/91 triple frame. This is a factory HK German part. Compatible With:HKP-00842$169.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 16.5" - Non-Threaded
RCM
Now: $168.91Was: $264.95RCM MP5, HK34, HK94 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the...HKP-00927Now: $168.91Was: $264.95 -
On Sale
HK MP5 Magazine Catch - Turkish Contract - Seconds
Other
Now: $7.46Was: $19.95Turkish Contract Magazine Catch for HK MP5 9mm - Seconds Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds...HKP-99485Now: $7.46Was: $19.95 -
On Sale
HK MP5K, AP5-P Rear Sight Drum
MKE
Now: $23.16Was: $28.95MKE MP5K & AP5-P Rear Sight Drum Factory MKE manufactured rear sight drum for the Century AP5-P. Compatible With: HK MP5K CenturHKP-22480Now: $23.16Was: $28.95 -
HK MR556 A4 13.4" Complete QD Handguard
H&K Heckler & Koch
$534.95H&K MR556 A4 13.4" Complete QD Handguard Genuine H&K MR556 A4 quick detach handguard has a Picatinny rail at 12 o’clock, M-LOK slots at 3, 6, and 9 o’clock, and two QD sling swivel cups for...HKP-22184$534.95 -
HK CC9 Magazine Locking Plate - 10 Round
H&K Heckler & Koch
$5.95H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With:HKP-22149$5.95 -
HK CC9 Magazine Release Button
H&K Heckler & Koch
$19.95Heckler and Koch Magazine Release Button for HK CC9 Made in Germany, this magazine release button for CC9 pistol allows the user to release the magazine from the framHKP-22111$19.95 -
HK G36K Handguard with Heat Shield
H&K Heckler & Koch
$84.95H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance.HKP-22010$84.95 -
HK VP9SK, P30SK Magazine Extension - 15 Round
H&K Heckler & Koch
$32.95Heckler and Koch 15 Round Magazine Extension for HK VP9SK and HK P30SK HK VP9SK 15-round magazine extension made from durable black polymer with stippled texture. Compatible With: VP9SHKP-21991$32.95 -
HK USP Detent Plate - V1, V2
H&K Heckler & Koch
$14.99H&K USP V1/V2 Detent Plate Detent plate for full-size USP pistols. Used to convert or configure the pistol to Variant 1 (left-side safety/decocker) or Variant 2 (right-side safetyHKP-21982$14.99 -
On Sale
HK MP5, VP9 Reflex Sight HE-507K - Green
Holosun
Now: $319.46Was: $354.95Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent...HKP-21677Now: $319.46Was: $354.95 -
HK45 MOD 1 Threaded Barrel Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator for Threaded Barrel: HK45 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and...HKP-21658$179.95