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Hi David, Yes this is Mil-Spec with Ambidextrous Controls ---- When it comes to accurate, reliable firearms, one of the best on the market is SIG Sauer. The SIG Sauer M400 Semi Auto Rifle is one of those firearms. This AR-15 is built from the ground up to be utterly reliable, durable, and accurate. Built specifically for the military law enforcement and competitive shooting communities, it's ready to address any mission specific need that arises. Using the common AR15 direct impingement gas system ensures unparalleled performance even during sustained fire. In fact, even the most finicky of AR shooters will be impressed with the SIG M400 in fit, finish, and outstanding functionality. --- Specifications and Features: SIG Sauer SIGM400 Enhanced Patrol RM400-16B-ECP Semi Automatic Rifle AR-15 .223 Remington accepts 5.56 NATO 16" Barrel with Black Nitride Finish 30 Rounds 1:7" Twist with 6 Grooves A2 Flash Suppressor 7075-T6 Aircraft Aluminum Forged Lower Receiver Direct Impingement

Yes this is Mil-Spec with Ambidextrous Controls The SIG Sauer M400 Elite Semi Auto AR-15 Rifle is designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIG M400 Elite is a true direct gas impingement AR platform built with a tactical leaning. The SIG Sauer M400 Elite features a 16" barrel with a 1:7" twist rate. The 7075-T6 forged aluminum upper and lower receivers along with the free float M-LOK hand guard feature a gorgeous Titanium color finish. This particular Elite is the rifle that is packaged with the SIG Sauer Romeo5 Red Dot Optic. Specifications and Features: SIG Sauer M400 Elite AR-15 Semi Auto Rifle RM400-16B-E-R Direct Gas Impingement 5.56 NATO (Accepts .223 Remington) 16" Barrel 1:7" Twist Rate 30 Round Magazine Romeo5 Red Dot Optic Free Float M-LOK Compatible Hand Guard Polymer Pistol Grip 6 Position Telescoping Stock with QD Points SIG Sauer Enhanced Trigger Overall Length Collapsed 32" and 35.2" Extended Ov

David, the The SIG Sauer M40016BECP M400 is all "Mil-Spec" and has "Ambidextrous" Safety Controls for left handed shooters.

Yes this is Mil-Spec with Ambidextrous Controls The SIG Sauer M400 Elite Semi Auto AR-15 Rifle is designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIG M400 Elite is a true direct gas impingement AR platform built with a tactical leaning. The SIG Sauer M400 Elite features a 16" barrel with a 1:7" twist rate. The 7075-T6 forged aluminum upper and lower receivers along with the free float M-LOK hand guard feature a gorgeous Titanium color finish. This particular Elite is the rifle that is packaged with the SIG Sauer Romeo5 Red Dot Optic. Specifications and Features: SIG Sauer M400 Elite AR-15 Semi Auto Rifle RM400-16B-E-R Direct Gas Impingement 5.56 NATO (Accepts .223 Remington) 16" Barrel 1:7" Twist Rate 30 Round Magazine Romeo5 Red Dot Optic Free Float M-LOK Compatible Hand Guard Polymer Pistol Grip 6 Position Telescoping Stock with QD Points SIG Sauer Enhanced Trigger Overall Length Collapsed 32" and 35.2" Extended Ove