798681436842 SIG SAUER RM400 - The SIG Sauer M400 is... | Caliber King

SIG SAUER RM400 - The SIG Sauer M400 is an affordable high-quality AR-15 that is direct impingement gas-operated and chambered in 5.56x45mm (5.56 NATO). It features a rotating locking bolt a corrosion resistant Nitride-treated barrel and an aircraft-grade aluminum forged l...

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$1,000.99

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