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
HK33, HK53, HK93 Trigger Pack - 4 U.S. 922r Parts - Semi Auto
HKP HK Parts
Now: $239.95Was: $299.95Semi Auto Trigger Pack HK93,33 & Z43 Models - 4 US 922R Parts HK 93,33,53 & Zenith Z-43 Semi Auto Trigger Pack Complete. Each trigger group incorporates the following US made compliant parts completely assembled & ready to drop in. The...HKP-18003Now: $239.95Was: $299.95 -
On Sale
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1
RCM
Now: $198.95Was: $234.95RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1 New Cold Hammer Forged Steel HK33/93 16.1" barrel, nitrided and US-manufactured. These barrels are among the finest available and come highly recommended by HKParts. Specifications: Made In The...HKP-01052Now: $198.95Was: $234.95 -
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 -
HK MP5 Bolt Hold Open Axle Roll Pin - .40 S&W, 10mm
H&K Heckler & Koch
$8.95H&K MP5 40/10 Bolt Hold Open Axle Roll PinHKP-01634$8.95 -
On Sale
HK MP5, HK90 Series Night Sight System - Front and Rear
XS Sights
Now: $137.95Was: $153.99XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.HKP-00883Now: $137.95Was: $153.99 -
Out Of Stock
HK MP5 Trigger Housing - Navy 3 Position 0,1,F Pictogram - Push Pin
H&K Heckler & Koch
$324.95Heckler and Koch 3 Position 0,1,F Pictogram Navy Housing - Push Pin for HK MP5 This H&K grip housing is designed for MP5 models with push pin type receivers. Featuring the iconic Navy housing and 3 position pictogram 0,1,F, this housing provides...HKP-16065$324.95 -
Out Of Stock
HK416, MR556 Upper Receiver - Stripped - No Forward Assist
H&K Heckler & Koch
$489.99HK416, MR556 Upper Receiver - Stripped - No Forward Assist Genuine HK HK416 upper receiver designed for HK416 and MR556 rifle platforms. This stripped receiver does not include a forward assist or ejection port door. Compatible With HK416, MR556 MR223HKP-22506$489.99 -
HK G36C Apparel - Hats, Patches, and Shirts
HKP HK Parts
$26.85HKP HK G36C Apparel and Patch Collection Represent your platform with the HK Parts G36C Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22456-M$26.85 -
On Sale
HK MP5, AP5 End Cap - Complete
MKE
Now: $64.95Was: $89.95MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an integrated H buffer for enhanced performance but also includes a...HKP-22258Now: $64.95Was: $89.95 -
HK MR556 A4 13.4" Complete QD Handguard
H&K Heckler & Koch
$499.95H&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 ambidextrous sling attachment. It provides...HKP-22184$499.95 -
HK CC9 Magazine Locking Plate - 10 Round Ext.
H&K Heckler & Koch
$5.95H&K CC9 Magazine Locking Plate - 10 Round Ext. Factory German HK magazine locking plate for use with the HK CC9 +10 round magazine extension. Secures the extended baseplate to the magazine body. Compatible With: HK CC9HKP-22154$5.95 -
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. Compatible With: G36KHKP-22010$84.95