ATI ATIG15MS300ML15 Mil-Sport 16" 31-Round Rifle

The ATI ATIG15MS300ML15 Mil-Sport 16" rifle is a modern platform built for shooters who demand versatility without compromise. Chambered in .300 Blackout, this rifle excels in both supersonic and subsonic applications, making it ideal for tactical training, home defense, and precision shooting at intermediate ranges.

The 16-inch barrel strikes an optimal balance between velocity, handling, and portability—critical factors in dynamic environments where quick target acquisition and maneuverability matter. Built on a proven AR-15 platform, the ATI Mil-Sport features a reliable direct-impingement operating system that has been field-tested across law enforcement and military applications. Weighing in at 8.65 lbs, this rifle ensures minimal fatigue during shoulder transitions and sustained fire.

This rifle benefits law enforcement training units, civilian tactical practitioners, and preparedness-minded shooters who recognize the versatility of the .300 Blackout cartridge. The modular design allows for easy customization—rail systems, optics, and tactical accessories integrate seamlessly, enabling users to tailor the rifle to specific mission requirements without gunsmithing. The 40.2-inch overall length makes it suitable for vehicle storage, close-quarters response, and controlled-environment training.