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For: Echo 1 Barrel Plug Version 2 (RED)Product Information:
Nice option for a little safety. At first I had no idea how to use this or what models it might work for but googling made it a little easier to get exact details. Generally for the M4, a few other models with a similar barrel design will also work. This video helps a little, http://www.youtube.com/watch?v=jllNbZs9HOE it's just one of those products that is so simple a 30 second review could help answer every and any question someone might have.
- Works well on an M4 (without extension)
- Sturdy design
- Good materials, not likely to break or fall apart on you.
- Gripped edge fits an adult sized hand very well.
- Not compatible with most other rifles.
- Low cost