The long awaited SIG Sauer M400 Tread Pistol is an AR platform firearm unlike any other. First this AR-15 Pistol begins its life as a set of forged aluminum upper/lower receivers which feature a hard coat anodized finish. Next the Tread comes standard with an 11.5″ barrel which provides incredible shot to shot consistency and tight groupings. Next a free floating M-LOK compatible hard guard will help ensure you maintain accuracy while providing tons of modular M-LOK rail compatible spaces. The ambidextrous controls and charging handle will ensure either a righty or southpaw lefty shooter will be able to manipulate the pistol. Finally the addition of a Shockwave Blade 2.0 adjustable pistol brace gives you great command an control. Perfect for home defense or competition, the SIG Sauer M400 Tread Pistol is everything you’re looking for in a compact AR platform firearm.