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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HK MP5 Receiver Flat with Weldment Set
PTR
$294.95MP5 9mm Receiver Flat With Complete Weldment & Rivet Set - PTR/LSC Several years ago PTR bought out LSC and now owns the tooling and dyes for the LSC 9mm flats. These elusive flats have been hard to find and are now available for the first time here...HKP-19509$294.95 -
HK G36 Magazine- No Retainers - 30 Round
H&K Heckler & Koch
$54.95HK Heckler and Koch 30 Round Magazine without Retainers for HK G36 Genuine H&K 30-round magazine without magazine interlocking retainers. Compatible With: HK G36HKP-22195$54.95 -
HK93, HK53, HK33 A3 Telescopic Stock
MKE
$399.95MKE A3 Telescopic Stock in Cerakote for HK93, HK33, HK53, and Z43 A3 telescopic stock for the HK33, HK53, HK93 built by MKE on HK tooling. These MKE stocks are your best option for a new production stock now that HK has discontinued them...HKP-21287-M$399.95 -
HK416, MR556 Magazine - 20 Round
H&K Heckler & Koch
$74.95Heckler and Koch HK 20 Round HK MR556 and HK416 5.56/.223 Magazine New HK416 and HK MR556 Factory 20 Round Steel Maritime Coated Magazine. Will fit and work in all AR-15/M16 weapons. Perfect for those who need a lower profile magazine or who will be...HKP-00029$74.95 -
Out Of Stock
HK SP5K Bench Mat
HKP HK Parts
$13.95HK MP5K, SP5K, SP89 Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your HK SP5K firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen...HKP-18213$13.95 -
HK91, G3, PTR Central Buttstock Section - OD Green - Used
H&K Heckler & Koch
$5.99H&K HK G3, HK 91, PTR Central Buttstock Section - OD Green - Used USED German G3, 91, PTR Central Butt stock Section- Green in color. This stock section is no longer being manufactured as the HKG3, HK91 are out of production. Each surplus section is...HKP-17139$5.99 -
HK Roller Sear For SEF, Navy Trigger Packs
H&K Heckler & Koch
$29.95H&K Roller Sear For SEF & Navy Trigger Packs It is the newer style, not the older friction type of sear. This item is also referred to as the catch with a roller but is more commonly called a sear.HKP-01710$29.95 -
HK MP5, SP5K Optic Mount - Trijicon RMR - 3.25 MOA
Trijicon
$624.95RMR Optic Mount - Bundle - HK MP5 Includes: (1) Trijicon RMR Type 2 Red Dot Sight - 3.25 MOA Red Dot, LED Illuminated (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes...HKP-20732$624.95 -
HK SP5 and SP5K Spec. Clipping and Pinning Service for Polymer Lower Housings
HKP HK Parts
$99.95HK Clipped and Pinned Service - For Polymer Grip Frames to SP5 SPEC At HK Parts we offer our own HK trigger housing clip and pin services. No one does a better job with quicker turn around then we do. We will clip and pin any "push pin" plastic housing...HKP-19989$99.95 -
HK MP5K Tactical Tri-Rail
HKP HK Parts
$89.95HKP Tactical Tri-Rail - Black - MP5K Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Made from aircraft grade aluminum and steel...HKP-16765-M$89.95 -
HK91, G3 Magazine Release Set
H&K Heckler & Koch
$34.95Heckler and Koch Magazine Release Set (Left to Right) for HK91, G3 This HK German manufactured magazine release set for HK .308 pattern rifles consists of 4 pieces. Includes: Magazine Catch Magazine Catch Spring Push Button Clamping Sleeve to retain...HKP-00929$34.95 -
HK UMP, USC Buttstock Axle Pin
H&K Heckler & Koch
$30.95HK German UMP Rear Stock Axle Pin This is the HK factory German stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...HKP-00604$30.95