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
HK UMP Bolt Carrier - Full Auto - Stripped 9mm
Michaels Machines
$699.95HK UMP 9mm - Full Auto Bolt - Stripped The full auto bolt carrier is for HK UMP rifles. The full-auto bolt carrier will not work in the HK USC conversion rifles. One of the finest aftermarket carriers you can buy. Features: Tungsten filled Heat...HKP-02288$699.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $4.95Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for firearms equipped with a Raddlock device. Compatible With the...HKP-02447Now: $4.95Was: $9.95 -
HK UMP Barrel - 9mm - Threaded with 3 Lug
Michaels Machines
$549.95HK UMP 9mm Barrel - Threaded - 3-Lug Specifications: 3Lug Threaded Compatible With: UMP 9mmHKP-02278$549.95 -
Out Of Stock
HK21 T-Rail Set - Factory Style
Michaels Machines
$275.00Michael's Machines HK 21 (7.62x51/.308) Factory Style T-Rail Set HK21 US-made rails for all HK21 builds. This is similar to the rails above, only prepped/cut for the HK21 feed mechanism.HKP-00823$275.00 -
HK91, G3 Match Trigger Group - Sniper
H&K Heckler & Koch
$749.95HK German SEMI .308 Trigger Group Complete For G3, 91 & PTR Models The HKP match trigger group starts life as a standard 12lb stock trigger pack before being carefully converted by the legendary trigger gunsmith, Bill Springfield. The result, a...HKP-17031$749.95 -
HK MP5 Trigger Pack - Ambi 0,1 - .40 S&W, 10mm
HKP HK Parts
$324.95HKP MP5 40/10 Ambidextrous (0,1) Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available in an all German & US...HKP-17231$324.95 -
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 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
HKP HK Parts
$249.95HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...HKP-16402$249.95 -
Out Of Stock
HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable
H&K Heckler & Koch
$9.95HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...HKP-17427$9.95 -
HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used
H&K Heckler & Koch
$15.95Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH. Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK33 HK53 HK93 HK G3 HK91HKP-00717$15.95 -
HK91, G3 Magazine Release Set, Complete - USED
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 This HK German manufactured, used magazine release set for HK .308 pattern rifles consists of 6 pieces. Complete left-to-right mag catch assembly with both push-button and paddle...HKP-22466$24.95 -
On Sale
HK MP5, MP5K Magazine - LEO Marked - 9mm - 30 Round - USED
H&K Heckler & Koch
Now: $134.95Was: $199.95HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is a used H&K German MP5 9mm 30-round magazine. All MP5 magazines...HKP-20517-USEDNow: $134.95Was: $199.95