UMP / USC Series

Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...

H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Filler Piece HK German Hand Stop filler piece for UMP and G36.

HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    

WOOX Checkered GEN2 HK Rifle, SMG M-LOK Rail Covers The checkered GEN2 M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection. The Checkered texture uses black nylon bushings and is...

Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works with...

Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...

H&K Factory Hard Case H&K hard shell case. This is the perfect case that will guarantee to protect your most prized possessions. Only a few in stock so get them before they are all gone. Compatible With: MR762 MR556 USC SL8 rifles any rifle...

HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible With: HK G36 HK UMP

H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete

MM HK UMP (9mm) Barrel - 16.5 Inch   Fluted just like the factory HK barrels with 16 flutes.

WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to suit different grip styles. The checkered texture is...

WOOX GEN2 Teardrop M-LOK Rail Covers The teardrop M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection, while bringing that signature wood look to your build. The GEN2 Teardrop pattern uses...