Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have proven to be the best choice for function.
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FN 20-100038 AR-15 5.56x45mm NATO 14.70″ Button Rifled M16 Profile Mid Length Gas System, Black Phosphate Cold Hammer Forged Chrome Lined
$279.00
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