The SIGM400 is a family of firearms manufactured by SIG Sauer.[1] The M400 is an air-cooled, direct impingement gas-operated, magazine-fed carbine that is based on the earlier AR-15 rifle.[2] Depending on the variant, it can be chambered for 5.56×45mm NATO or .300 AAC Blackout cartridges, and may have a fixed or telescoping stock.[3]
^"SIGM400". SIG Sauer.
^"SIG SAUER's M400 Predator". gunsmagazine.com. Retrieved 27 February 2017.
^"SIGM400 Predator". sigsauer.com. Archived from the original on 28 February 2017. Retrieved 27 February 2017.
The SIGM400 is a family of firearms manufactured by SIGSauer. The M400 is an air-cooled, direct impingement gas-operated, magazine-fed carbine that is...
brand name SIGSauer [ɛs iː ɡeː ˈzaʊ̯ɐ]. The original company, Schweizerische Waggonfabrik (SWF), later Schweizerische Industrie-Gesellschaft (SIG), went...
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