HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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Out Of Stock
HK21 Trigger Housing - 3 Position - RARE
H&K Heckler & Koch
$0.00H&K 21 3 Position Trigger Housing - RARE This rare 3 position trigger housing features Mexico markings and is designed specifically for the HK21. It is a unique find, never before offered, and has never been available with this...HKP-19394$0.00 -
Out Of Stock
HK 30 Round AR-15 5.56x45mm/.223 Magazine
H&K Heckler & Koch
$0.0030 Round Magazine with Window - Gen 3 - Heckler and Koch Factory German Heckler & Koch 30-round Gen3 polymer magazines, compatible with 5.56mm weapon systems: HK416 / MR223 / AR15 / M16 / M4 type rifles.HKP-19359$0.00 -
HK MP5 Barrel - .40 S&W - Threaded with 3 Lug - Factory
H&K Heckler & Koch
$1,495.00H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug New MP5 .40 S&W barrel. Factory-installed sight tower with sight/sling eyelets and factory finish. Specifications: Threaded 3-Lug Compatible With: HK MP5 .40 S&W Rare & hard to find...HKP-19349$1,495.00 -
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
H&K Heckler & Koch
$67.9520 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...HKP-19333$67.95 -
Out Of Stock
HK SP5/MP5 9mm SEF Universal Contoured Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$0.00H&K SP5/MP5 9mm SEF Universal Contoured Trigger Housing - Clipped & Pinned This SEF contoured trigger housing is designed for universal compatibility with both HK SP5 and MP5 semi-auto shelf styles. Featuring contoured finger grooves for...HKP-19271$0.00 -
Out Of Stock
HK417A2, MR762 Handguard - H-Key Slimline
H&K Heckler & Koch
$0.00H&K HK MR762/417 A2 H-Key Slimline Handguard - Black Compatible With: All 16.5" & 20" models HK MR762 HK 417/417 A2HKP-19006$0.00 -
Out Of Stock
HK417, MR762 Handguard - Extended - Picatinny - Flip Up Front
H&K Heckler & Koch
$0.00HK MR762, HK 417 Extended Quad Rail With Flip Up Front Sight Each unit comes with both of the mounting screws, a flip up front sight assembly for emergency use as a backup sight. HK's extended 13" rail allows for longer sight radius and more rail space...HKP-17331$0.00 -
Out Of Stock
HK417, MR762, G28 Bolt Head Complete
H&K Heckler & Koch
$439.95H&K HK MR762/417/G28 Bolt Head Complete New HK German manufacture Compatible With: HK MR762 HK MR308 HK G28HKP-18143$439.95 -
Out Of Stock
HK416 Retractable Stock - .22LR PDWC
HKP HK Parts
$0.00HK 416C Style PDW Stock - HK, Walther .22 LR The long anticipated PDW style AR15/M4 Stock is now available for the HK 416 .22 models. Made in the USA. The best PDW stock design available in the smallest package. Ergonomic, easy to use and designed...HKP-17840$0.00 -
$279.95 -
HK G36 Brass Catcher - OD Green
H&K Heckler & Koch
$567.95Heckler and Koch HK G36 Brass Catcher - OD Green Genuine HK brass catcher for G36 platforms. This brass catcher is equipped with a quick-change, integral magwell for a secure fit. Spent brass capacity is approximately 60 cases. Compatible...HKP-18490$567.95 -
Out Of Stock
HK SEF Selector Lock Out Safety Key
H&K Heckler & Koch
$0.00H&K SEF Selector Lock Out Safety Key You must have a special lever to use this tool. Compatible with all SEF lockout selectors.HKP-01482$0.00