Airsoft Atlanta got tthe Acetech Predator MKIII Tracer Unit with the Blaster M included at their online store... "The Acetech Predator MKIII Tracer Unit (Blaster-M Inside) is for use on airsoft guns that have a 14mm threaded (for use on 14mm CCW or 11mm CW w/included adapter) barrel.  Built-in battery that's rechargeable with USB (included). The Predator MK3 is equipped with a Blaster M unit inside it - perfect for DMRs, M14, CQB weapons, pistols, and a host of other guns.  Perfect for speedsoft!  The newest tracer unit from Acetech in 2022.  The Blaster gives a realistic muzzle flash.

Includes M4 metal flashhider (14mm CCW) - with Quick Detach tracer unit. This is really cool!

Predator MKIII (M14 CCW) contents:

1. Blaster M inside
2. Micro-USB charging cable*1
3. User Manual*1

Specifications：

• Dimensions: length 139.3 mm, diameter 42 mm.
• Speed: up to 35 RPS (rounds per second).
• Battery: Li-Ion, charging time 2.5 hours.
• Includes Blaster M tracer unit module.

BBs: Supports green tracer BBs and water BBs, not support red tracer BBs."