The new Sig Sauer MPX Copperhead pistol has an insanely short, 3.5-inch barrel, a retractable PDW pistol brace and an FDE Cerakoted barrel — all in a super-compact package under 15 inches.
The new Sig Sauer MPX Copperhead pistol has an insanely short, 3.5-inch barrel, a retractable PDW pistol brace and an FDE Cerakoted barrel — all in a super-compact package under 15 inches.