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SIG Sauer M400: A Top-Selling Semi-Auto Carbine

SIG Sauer's take on the AR-15 platform, the M400, proves to still be popular along with its newer versions, as it was the fourth most sold semi-automatic rifle of 2020.

SIG Sauer M400 Rifle

The SIG Sauer M400 rifle is a direct gas-impingement AR rifle to satisfy traditional AR shooters.

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