HK - 25 Round UMP .45 Mag -REBUILD KIT

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HK - 25 Round UMP .45 Mag -REBUILD KIT

UMP .45 cal 25 Round Magazine. Each magazine will fit all HK UMP .45 factory firearms as well as UMP mag converted HK USC’s, custom builds and USA made UMP style offerings.that have been converted to accept UMP magazines. Each magazine is made in the USA. Made from a proprietary mix of the latest polymer technologies for the lightest most robust magazine possible. Each magazine includes steel reinforced feed lips, high impact polymer body and self lubricating follower for reliable feeding & durability.

Fits all:

  • UMP .45 firearms
  • USC-UMP .45 Conversions that use the UMP .45 magazine
  • LWRC SMG .45
  • Gideon Shadow, Tommy Bostic Builds
  • Custom firearms & builds that use the HK UMP magazine

Each magazine will count as 3 US made complaint parts. This is all that you need for US compliance on a USC to UMP conversion.

Please Note: The UMP Magazine will not fit a stock HK USC unless the USC-UMP firearm has been fitted to accept the double stack UMP magazine.


A fully disassembled HK magazine rebuild kit, or magazine repair kit. All magazine rebuild kits are disassembled to its basic parts, in a non-functional state that cannot be used in a firearm. They can be used to replace broken parts in old magazines that are legally owned, or reassembled for use when/where legal to do so.


Magazine rebuild kits ship to all states except for California. It is up to the consumer to know their state's laws concerning high capacity magazines and all restrictions that have been put in place. Magged Supply LLC, its owners, officers, and employees are not liable should you purchase magazine rebuild kits and use them in a way not in accordance with your state's laws.


Out of stock