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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On Sale
Picatinny Optic Mount, Front Sight Tower - Red
Now: $35.96Was: $39.95HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...Now: $35.96Was: $39.95 -
On Sale
HK G36 Backplate Complete with Recoil Assembly
H&K Heckler & Koch
Now: $179.95Was: $199.95HK G36 Backplate Complete With Recoil Assembly New HK German G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also...Now: $179.95Was: $199.95 -
On Sale
Kaw Valley Precision .45 Mach 3-Lug Mount
Kaw Valley Precision
Now: $80.99Was: $89.99Kaw Valley Precision .45 Mach 3-Lug Mount Fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common silencer models such as the SilencerCo...Now: $80.99Was: $89.99 -
On Sale
HK MP5 Bolt Group - Complete - .40 S&W, 10mm
HKP HK Parts
Now: $331.96Was: $414.95RCM- MP5 40 & MP5 10mm - Bolt Group Complete Ideal to replace out of spec, worn, or broken bolt groups or for that custom build. Includes: RCM bolt head complete RCM locking piece RCM firing pin RCM firing pin spring RCM full auto bolt carrier...Now: $331.96Was: $414.95 -
On Sale
F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine
F5 MFG
Now: $152.06Was: $168.95F5 MFG 50 Round BT APC9 & GHM9 9mm Drum Magazine The only one of its kind, Brugger & Thomet APC9 & GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive accessory...Now: $152.06Was: $168.95 -
On Sale
HK417, MR762, G28 Spring - Ejection Cover Axle
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK MR762/417/G28 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: HK MR762 HK 417 HK...Now: $8.96Was: $9.95 -
On Sale
HKP HK MP5 40 Locking Roller +4
HKP HK Parts
Now: $9.56Was: $11.95HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...Now: $9.56Was: $11.95 -
On Sale
ATI 100 Round GSG-522/GSG-16 Drum Magazine
ATI
Now: $159.95Was: $199.95ATI 100 Round GSG-522/GSG-16 Drum Magazine These are the latest, second-generation drums direct from Germany. Compatible With: GSG5 .22 rifles or pistols GSG-16 .22 rifles or pistols. Please Note: This will not fit the Umarex MP5 .22 or HK...Now: $159.95Was: $199.95 -
On Sale
HK G36, SL8 Bolt Head Ejector Pin
Now: $6.25Was: $6.95HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin HK Ejector roll pin for G36, SL8 bolt heads. This item is the pin that holds the ejector & ejector spring in place. A common wear & replacement item and a must have when doing bolt head maintenance...Now: $6.25Was: $6.95 -
On Sale
HK SL8 Optic Screw - Adjusting - Dual and Single Optics
H&K Heckler & Koch
Now: $13.46Was: $14.95HK SL8 Dual and Single Adjusting Optic ScrewNow: $13.46Was: $14.95 -
On Sale
HK USC, SL8 Sight Support Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight SpringNow: $8.96Was: $9.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug - US
HKP HK Parts
Now: $239.96Was: $299.95HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...Now: $239.96Was: $299.95