I thought this was common knowledge. It even says that if you don't use the under barrel rail that the MASS and the M320 will be stand alone (meaning separate).
I thought this was common knowledge. It even says that if you don't use the under barrel rail that the MASS and the M320 will be stand alone (meaning separate).
It is common knowledge lol. The problem is, some people don't read the description so they never know about things.