UMP / USC Series

HK UMP & USC Bolt Catch For Last Round Hold Open New HK USA lower bolt catch. Compatible With: HK UMP HK USC

B&T Multitasker Twist Pen-shaped multitool for weapon maintenance and optics/sight adjustments. CNC machined from 6063 T-6 aluminum, Type III Mil-spec Anodized. Features: Aimpoint Micro T1/T2 turret adjuster on rear cap Pocket clip/light-duty...

HK UMP, USC & G36 Trigger New HK German factory trigger. A great spare or replacement part. Compatible With: HK G36 HK UMP HK USC

H&K USC (.45 ACP) 10 Round Factory Magazine Spring Compatible With: HK USC 10 Round magazines

HKP HK UMP/USC 4 Piece M-Lok Set - Anodized  Upgrade your UMP and USC with the HK Parts 4-piece M-Lok set, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the...

Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum...

30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40

Solar Tactical HK UMP Kydex Grip Wrap Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap-around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10rds. Preban hi-capacity...

HK UMP .45 Magazine Locking Plate   Made in the USA

Ergo M-LOK QD Sling Mount   Compatible with any firearm featuring M-LOK attachment points.

H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.

HKP HK USP .45 ACP 16X1 LH Thread Protector Thread protector for 16X1 left-hand .45 ACP barrels.   Compatible With: HK USP .45 & Compact HK45 & Compact HK UMP/USC Firearms with 16X1 left-hand threaded .45 ACP barrels NOT compatible...