by Shooting Illustrated Staff posted on February 2, 2012 Guns Support NRA Shooting Illustrated DONATE There's a lot to be said for having everything you need and nothing you don't, all at a reasonable price. Enter the SIG Sauer M400. In this article 5.56 NATO, AR, semi-auto rifles, SIG Sauer Related Stories SIG Sauer M400 Rock River Arms LAR-PDS Carbine New AR from Del-Ton DPMS Tac-2 Barrett REC7 in 5.56 NATO Most Popular SHOT Show 2025 Range Day Roundup Review: Walther PDP Compact Steel Frame AR Lower-Receiver Build: Trigger Group Installation Updating The "Pie Chart" Target First Look: Kel-Tec PR57 Pistol First Look: Staccato HD Pistols