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  1. M&P 15 sport 2 AMMO Question

    M&P 15
    Hello First time AR owner, a few questions please. 1. What is the recommended home defense ammo? 223 or 556....55gr or 62gr or other? Particular brand? 2. I picked up some Remington 223 / 62 gr and some Winchester 556 / 55gr ..... Is one better than the other for the range? Thanks ahead
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