MFT Yellow EXD Magazine – Training Indicator for Blanks. Next-generation AR15/M4 magazine that utilizes new material technology and manufacturing processes for enhanced strength, durability, and reliability. Made from military-grade copolymer, resistant to heat, cold, UV, harsh chemicals, and drop impact, even in extreme temperatures. The yellow body allows you to quickly check ammo count and type. Compatible with a wide range of AR15/M4 and non-AR15/M4 platforms.