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M1 Carbine ProMag 30 Rounds

Discussion in 'Shooting Gear and Storage' started by OneWound, Jan 10, 2013.

  1. OneWound

    OneWound Member

    Dec 23, 2012
    I know ProMags are notorious for being bad, but what makes them unreliable on a 30 rounder for an M1 carbine? I think it's the body, but I'm not sure. I believe it's the body because I put a ProMag follower in a regular 30 round magazine, and it wants to depress fully. Ideas?

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