H&K USC / UMP Magazines

msd1261

August 02, 2009 10:15

Does anyone know if the H&K .45 acp mags for the USC & UMP interchange? thanks, mike

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  Nwcid

  August 02, 2009 10:59

  Not even close. Plus it would be illegal to put a 30 round mag in an unmodified USC.
  
  There are companies that do UMP conversions to the USC and make them 922r compliant so it is legal.

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