Microgroove Remington speedmaster

Discussion in '.22 Rifle/Rimfire Discussion' started by murraywc, Mar 12, 2013.

  1. murraywc

    murraywc New Member

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    A friend of mine has a 552 speedmaster with a microgroove barrel but can't find anything from Remington on it. Diesel anyone know if Remington made this gun or if someone has modified it.