The Sig Sauer M400 Tread is a very economically priced rifle for everything that you get. This rifle feature a 16" stainless barrel with a free floating MLOK handguard and Magpul SL-K stock. The 5.56 barrel is outfitted with a mid length gas system. This makes for a soft recoil impulse and generally less blowback when compared to shorter tube lengths. The handguard is 15", this protects the majority of the barrel and allows plenty of rail space to attach what you need to. This carbine is ready for pretty ready to go for anything you may need it for.