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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B&T APC Brace and Stock Adapter
MI Midwest Industries
$69.95Midwest Industries B&T APC Brace and Stock Adapter Features: Made in the USA Easy installation Adds section of picatinny rail to back of receiver for stocks, arm braces, and sling adapters Constructed of 6061 aluminum hardcoat...HKP-19673$69.95 -
HK417, MR762 Cylindrical Pin for Stop Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417HKP-16619$9.95 -
HK417, MR762 Firing Pin Retaining Pin
H&K Heckler & Koch
$19.95Heckler and Koch MR762 Firing Pin Retaining Pin This firing pin retaining pin is made from a durable, black finished, steel and is a factory original Heckler and Koch component. This retaining pin is made for the HK417 and HK MR762 model of rifles. This...HKP-16612$19.95 -
HK417, MR762 Barrel Nut
H&K Heckler & Koch
$99.95HK MR762 Barrel Nut Or Socket Barrel - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced./417 Compatible With: HK MR762/417HKP-16597$99.95 -
HK MP7 Charging Handle - Extended
H&K Heckler & Koch
$59.99HK MP7 Extended Charging Handle HK German Factory New Extended Charging Handle Compatible With: MP7 MP7A1 MP7A2HKP-18784$59.99 -
HK416, MR556, MR762 Spring Lock Bolt
H&K Heckler & Koch
$9.99H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16848$9.99 -
Out Of Stock
HK G36, SL8 Handguard - Gen 1
H&K Heckler & Koch
$106.95German HK G36 & HK SL8 Black Forearm- 1st Gen This part is the older style 1st gen that has the bipod grove to allow the factory HK bipod to be installed. New HK black in color without a heat shield. No longer in production...HKP-01936$106.95 -
HK G36, SL8 Cocking Handle
HKP HK Parts
$49.95Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.HKP-18251$49.95 -
Out Of Stock
HK UMP, USC Stock Block B Sling Pin - Push Pin Style
HDPS
$39.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.HKP-16339$39.95 -
HK USC, USC Bolt Carrier - Semi Auto - 9mm
Michaels Machines
$699.95HK UMP/USC (9mm) Semi Auto Bolt Carrier The semi-auto bolt group is needed for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Specifications: Tungsten Filled Heat Treated Parkerized &...HKP-02283$699.95 -
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