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 MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
HK G36K Handguard - Heat Shield and Handstop - FDE
HKP HK Parts
$109.95HKP HK G36K Forearm With Hand Stop & Heat Shield HK G36K-length forearm, latest production style, with an integrated heat shield. This handguard includes a built-in hand stop, sling attachment points, and molded mounting locations for adding bottom,...HKP-19301$109.95 -
HK G36C Piston Rod - Black - Incomplete
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95 -
Out Of Stock
RMR,SRO Adapter - 45° - Rail Offset
USA
$91.45Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...HKP-20336$91.45 -
HK416, MR556, AR-15 Stock - MOE - MIL Spec
Magpul
$44.95Magpul MOE Stock MIL SPEC Magpul Industries MOE Carbine Black Stock Complete - MIL Spec Compatible With: MR556 & HK 416 equipped with mil-spec buffer tubes AR-15 platforms with mil-spec buffer tubesHKP-19393$44.95 -
HK417, MR762 Axle Extractor Retaining Pin
H&K Heckler & Koch
$8.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$8.95 -
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 -
HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...HKP-18200$369.95 -
HK416, HK417, MR556, MR762 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-12705$99.95 -
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
MM HK UMP (9mm) Full Auto Bolt
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