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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On Sale
HK416, MR556 Handguard - KeyMod 9"
HKP HK Parts
Now: $99.95Was: $269.95HK MR556 & HK416 Standard Length 9" - KeyMod HandguardHKP-17982Now: $99.95Was: $269.95 -
Out Of Stock
HK UMP Birdcage Flash Hider
HDPS
$154.95HDPS HK UMP (.40 S&W/.45 ACP) Birdcage Flash Hider This part is made to fit all US-made or German HK-flanged style barrels. HK no longer makes a flash hider for the UMP Subgun. This is the much anticipated HDPS bird cage style UMP...HKP-02694$154.95 -
HK UMP, USC Hammer Spring - Right
H&K Heckler & Koch
$14.95HK UMP & USC Right Side Hammer Spring For LowersHKP-01892$14.95 -
On Sale
HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
Now: $849.95Was: $999.95HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...HKP-18754Now: $849.95Was: $999.95 -
Out Of Stock
$4.95 -
HK21E, HK23E Backplate
H&K Heckler & Koch
$289.95H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate These factory German HK21E/23E back plates are no longer in production. Grab yours before they are gone for good!HKP-00241$289.95 -
Out Of Stock
HK MSG90 Optic Mount - Extended 340mm - Picatinny Rail
B&T Brugger & Thomet
$299.95Extended B&T Mounting Rail for HK MSG90 with Support for Brass Catcher This is the finest MSG90 scope/brass catcher mount available! Specifications: Color: Black Height max: 22.5 mm Length max: 340 mm Length of top rail: 332.5 mm Material: Aluminum...HKP-17285$299.95 -
HK91, G3, PTR Magazine - 5 Round - Steel
H&K Heckler & Koch
$174.95New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine. This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine. These mags are long out of production and only a...HKP-00220$174.95 -
On Sale
HK33, HK53, HK93 Trigger Group - 4 Position 0,1,3,F - Complete
H&K Heckler & Koch
Now: $2,989.95Was: $3,399.95Heckler and Koch HK33, HK53, HK93 4 Position Burst Trigger Group Complete (0,1,3,F) Factory German HK 4-position burst trigger group configured for push-pin style receivers. This complete assembly is designed for HK93, HK33, and HK53 platforms and...HKP-00018Now: $2,989.95Was: $3,399.95 -
HK53 Cocking Tube - Left Hand
HKP HK Parts
$99.95HK53 Length Cocking Tube - For Left Handed Shooters New HK53, HK51 cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory correct HK53 cocking tube available as HK Germany does...HKP-19028$99.95 -
HK MP5 Trigger Housing - SEF Navy Style - .40 S&W, 10mm
H&K Heckler & Koch
$99.95 - $179.95H&K MP5 40/10 SEF Navy Style Trigger Housing A perfect upgrade for your HK MP5 40/10 build. This is the only SEF-style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned and set up for the...HKP-00445$99.95 - $179.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5.40 S&W, 10mm Full Auto Bolt Carrier Machined completely from billet ordnance steel and black oxide finished. This carrier is made to the latest specs, tungsten filled, and heat treated. Made in the USA and available exclusively at HK...HKP-18363$149.95