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 USC , UMP Top Rail
Other
Now: $99.95Was: $149.95Top Rail - HK USC / UMP TommyBuilt anodized aluminum high rise top rail. Includes mounting hardware. Compatible With: HK UMP HK USC TMP UMP cloneHKP-20744Now: $99.95Was: $149.95 -
On Sale
B&T Unigrip - Quick Detach - Aluminum
B&T Brugger & Thomet
Now: $126.95Was: $150.00B&T Quick Detach Aluminum Unigrip - Black This simple fore grip is designed to be mounted on the NAR/Picatinny rail of the gun. The grip is hollow and can be used as a storage compartment after unscrewing the bottom lid. Thanks to the QD mount, the...HKP-19473Now: $126.95Was: $150.00 -
HK G36, SL8 Paddle Magazine Release
H&K Heckler & Koch
$19.95Heckler and Koch Paddle Magazine Release for HK G36 and HK SL8 Compatible With: SL8 G36 G36K G36CHKP-02152$19.95 -
On Sale
HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
Now: $190.95Was: $225.00RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30 9mm pistol,...HKP-16238Now: $190.95Was: $225.00 -
On Sale
HK MP5 LS5 Trigger Group, Complete - Flat Trigger - Semi shelf
Lee Sporting / Magpul
Now: $494.95Was: $549.95Lee Sporting Complete Trigger Group - MP5 - Flat Trigger Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...HKP-20483Now: $494.95Was: $549.95 -
On Sale
HK VP9, VP9SK, VP40 Firing Pin Striker
HKP HK Parts
Now: $31.95Was: $39.95HKP HK VP9/VP9SK/VP40 Firing Pin Striker This firing pin fits all models of VP series pistols. Compatible With: HK VP9, VP9 tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 tacticalHKP-20464Now: $31.95Was: $39.95 -
On Sale
HK416, MR223 Handguard - 11" - M-LOK - Coyote Tan
B&T Brugger & Thomet
Now: $251.95Was: $279.95B&T Brugger and Thomet 11" M-LOK Handguard for HK416 and HK MR223 - Coyote Tan B&T's one-piece 10-inch MLOK handguard for the Heckler and Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A...HKP-20400Now: $251.95Was: $279.95 -
On Sale
HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
Now: $229.95Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for...HKP-20351Now: $229.95Was: $294.95 -
Out Of Stock
AB-8 and Stock or Brace Adapter - 1913 Folding Mech
JMAC Customs
$269.95JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...HKP-20148$269.95 -
HK MR762 Handguard - FDE - 14.7" - M-LOK
H&K Heckler & Koch
$249.95H&K HK MR762 M-LOK 14.7" Handguard - FDE Handguard for the HK MR762. It is 14.7 inches in length and has a flat top Picatinny Rail and M-LOK attachment points. Compatible With: HK MR762HKP-19777$249.95 -
HK P30 Series Trigger
H&K Heckler & Koch
$19.95HK P30 Series Trigger Compatible With: P30 9mm or .40 variants. P30L P30S P30SKHKP-02219$19.95 -
HK P2000SK Complete Recoil Spring Guide Assembly
H&K Heckler & Koch
$145.95HK P2000SK Complete Recoil Spring Guide Assembly Brand new HK German manufacture. Compatible With: P2000SK 9mm P2000SK .40 P2000SK .357HKP-01577$145.95