SIG brings the compact rat-a-tat-tat with the new MCX Rattler

It’s an escape gun that is just 3.5 inches longer than the super compact HK MP5K, and is chambered in hard-hitting .300 Blackout, which Sig bills as still being accurate and dangerous in the platform out to 200m– something that a 9mm just isn’t. Thus, Sig says the new gun, likely aimed at a contract hinted at earlier this year for SOCCOM, gives “M4 ballistics in a subgun-sized package.”

Released in both a pistol and SMG format, each model features a 5.5-inch PDW barrel with free-floating M-LOK handguards and top Picatinny rail. A gas piston design, the SBR uses a folding stock that gives the rifle an overall length of 16-inches when closed while the pistol has a telescoping 3-position brace that gives it an overall length of 19.3-inches at its shortest, which ironically is slightly longer than the rifle.

The rifle tips the scales at 5.7-pounds while the pistol is 5.1.

More in my column at Guns.com.

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