20” is best inch. For real. Shtf rifle of choice for myself. : r/ar15

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Good AR15 for 1500$ Just Turned 18 Need a SHTF Gun (Will Get a

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If you could take one rifle for a survival situation, and you have a .22, 30-30 Lever Action, AR 5.56, or a .30 Caliber Carbine, which one would you choose? - Quora

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What is the best firearm for if/when SHTF? - Quora

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