UMP / USC Series
Choose from an expansive selection of HK UMP and USC parts, such as HK UMP Barrels and HK USC Stocks, crafted for those who value reliability and performance. Upgrade with HK USC Handguards and HK UMP Triggers, and experience the difference in quality and craftsmanship.
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On Sale
HK UMP (.45 ACP) 25 Round Magazine
H&K Heckler & Koch
Now: $131.35Was: $145.95New HK German Non-LE/Mil Marked UMP .45 ACP 25 Round Magazine The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45 conversions HK...Now: $131.35Was: $145.95 -
Out Of StockOn Sale
HK UMP, USC Roll Pin - Barrel
H&K Heckler & Koch
Now: $10.75Was: $11.94Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...Now: $10.75Was: $11.94 -
On Sale
HK UMP .45, .40 Dual Magazine Clamp
Now: $44.96Was: $49.95UMP .45/.40 Dual Magazine Clamp The UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Billet machined and hard coat anodized. Features: Made in the USA Dual-Magazine...Now: $44.96Was: $49.95 -
On Sale
HK UMP 9mm 30 Round Magazine
HKP HK Parts
Now: $39.96Was: $49.95UMP 9mm 30 Round Factory Magazine - USA UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30 round magazine capacity. Each magazine counts as 3 U.S. Made compliant parts as an added bonus! This is the finest...Now: $39.96Was: $49.95 -
On Sale
HK UMP Magazine Spring - .45 ACP - 25 Round
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP conversion or UMP.Now: $8.96Was: $9.95 -
On Sale
HK UMP 45, SMG 45 Magazine Loader
HKP HK Parts
Now: $31.96Was: $39.95HKP HK UMP 45, SMG 45 Magazine Loader The enhanced loader is the finest loader available for UMP 45 magazines. Speed up your load time and save your thumb in the process. Made in the USA. Compatible With: H&K UMP & USC 45 magazines LWRC SMG 45...Now: $31.96Was: $39.95 -
On Sale
Kaw Valley Precision Mach 3 Modular Linear Comp Body
Kaw Valley Precision
Now: $35.96Was: $39.95Kaw Valley Precision Mach 3 Modular Linear Comp Body The KVP MACH 3 is a user configurable linear compensator system. 1-1/8"x28 TPI internal threads accommodate common suppressor attachments, such as a SilencerCo 3-lug mount, direct thread mounts,...Now: $35.96Was: $39.95 -
On Sale
HK German Vertical Foregrip - Picatinny
H&K Heckler & Koch
Now: $53.96Was: $59.95HK German Vertical Grip Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in the grip and requires no tools for installation. It...Now: $53.96Was: $59.95 -
On Sale
HK45 Thread Protector - 16x1 LH - US
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...Now: $11.96Was: $14.95 -
On Sale
B&T Short Style Vertical Foregrip - Picatinny - Black
B&T Brugger & Thomet
Now: $67.50Was: $75.00B&T Short Style Vertical Grip - Picatinny - Black B&T Vertical Grip - Short Style- Fixed Swiss made B&T short vertical forend grip. This foregrip is designed to be easily attached to the picatinny rail using the knurled screw. Made of black...Now: $67.50Was: $75.00 -
On Sale
HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH
HKP HK Parts
Now: $23.96Was: $29.95HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH The HK Parts micro comp & thread protector is designed to be lightweight, and functional as both a compensator and thread protector. The HK Parts micro comp easily attaches to the end of any...Now: $23.96Was: $29.95 -
On Sale
HK UMP 2 Position Lower - Safe, Semi - 9mm, .40 S&W, .45 ACP
HKP HK Parts
Now: $396.79Was: $495.99New HK Parts -UMP Safe, Semi FBI (0,1) Lower Each lower comes complete with 2 position settings (S, F) and all the internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Compatible With: UMP .45 UMP .40 UMP 9mm USC...Now: $396.79Was: $495.99