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
HK417, MR762, G28 Adjustable Buttstock Set
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. HK German manufacture and...HKP-16761$599.95 -
HK Lower Housing Clipping and Pinning Service - Polymer
HKP HK Parts
$99.95HK Clipped & Pinned Service - For Polymer Grip Frames We will clip and pin any "push pin" plastic housing for $99.95 each plus return shipping via USPS priority mail. Our technicians can perform the service on a customer supplied grip or we can clip...HKP-00923$99.95 -
HK MP5, HK416 Barrel - .22LR - 16.1"
RCM
$199.95RCM .22LR Rifle Barrel for HK MP5 and HK416 This is the first and only offering of a replacement barrel for the HK .22LR platforms. Replacing the barrel previously required sending the receiver to H&K and having the assembly...HKP-21407$199.95 -
Out Of Stock
HK21 FMP Parts Kit, 7.62x51
FMP HK CONTRACT
$1,938.95H&K HK21 FMP Parts Kit, 7.62x51 Seize your opportunity to secure a piece of history! These HK21 parts kits were manufactured by the Portuguese government under license from HK using HK's tooling, dies, and prints. Each HK21 kit has been...HKP-21393$1,938.95 -
HK416, MR556, HK417, MR762 Detent Takedown Pin
H&K Heckler & Koch
$9.95Heckler and Koch HK417, HK MR556, HK417, HK MR762 Detent Takedown Pin Factory H&K takedown pin for MR556 A4. Compatible With: HK416, MR556 HK417, MR762HKP-02540$9.95 -
HK UMP, USC Barrel - Flanged - .45 ACP - 8"
HDPS
$329.95HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts as 1 of the 3...HKP-02130$329.95 -
Out Of Stock
HK33, HK53, HK93, HK91, G3 Central Stock Section With Butt Pad
PTR
$99.95U.S. HK 91, G3, PTR Central Stock Section Black With Butt Pad Compliant parts are hard to find and are important for keeping your HK G3, HK 91, HK33, and 93 build 922r compliant. Compatible With: HK G3, 91, PTR CETME HK 93, 33, 53 Other...HKP-00379$99.95 -
HK416, MR556, HK417, MR762 Takedown Pin - Rear - A1 Style
H&K Heckler & Koch
$79.95H&K HK MR556/MR762/416/417 Rear Lower Receiver Locking Pin This is the rear takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02672$79.95 -
HK91, G3 Trigger Pack, Complete - SEF Full Auto - Used Surplus
H&K Heckler & Koch
$299.95Heckler and Koch SEF Complete Full Auto Trigger Pack - USED for HK G3 and HK91 7.62x51 / .308 A Heckler and Koch genuine part. The best price anywhere for a complete surplus German trigger pack. This offering is a full auto HK SEF .308 trigger pack...HKP-00522$299.95 -
HK G36, G36C, G36K 30 Round Magazine
HKP HK Parts
$38.95HK G36 30 Round Magazine HK Parts 30-round magazine designed to fit all G36, G36K, and G36C variants, and SL8's with the G36 magwell conversion. These magazines are top-quality and proudly made in the U.S. Compatible With: G36, G36K, G36C SL8...HKP-22525-M$38.95 -
On Sale
HK MP5, HK90 Series Ejector Lever Axle
MKE
Now: $13.46Was: $17.95MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling. Fits all of the following 90 series trigger packs: SEF, O,1 Navy BurstHKP-22241Now: $13.46Was: $17.95 -
HK416, MR556, MR762 Bolt Catch Pin
H&K Heckler & Koch
$4.95Heckler and Koch HK MR556, HK MR762, and HK416 Bolt Catch Pin The factory roll pin is used to hold the bolt catch in place. Great to have on hand in the event this item becomes lost or damaged when doing maintenance Compatible With: HK416,...HKP-02677$4.95