Can anyone provide a list of parts and manufactures to complete this special AR 15. What is meant by multi-caliber? Can this shoot a bigger round?

Question

James G. · Answer

Jean, (multi-cal means it supports different caliber uppers/barrels like 5.56/223/300BLK etc.  -    https://www.youtube.com/watch?v=4nPWlHOWNDM

Ask the Community