The Sig Sauer Rattler is a highly compact MCX variant featuring a 5.5-inch barrel, designed for .300 Blackout and 5.56 calibers. It boasts a functional folding PDW stock, allowing it to remain fireable when folded and achieve an overall length of just 16 inches, making it one of the shortest rifles available. Modularity is a key aspect, with interchangeable uppers and barrels. For civilian use, it's offered with a telescoping Pistol Stabilizing Brace (PSB), providing submachine gun size with AR platform power.
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