a2 vs. a3

bvillars

Member
Feb 22, 2009
140
16
can anyone supply a picture of an a2 vs an a3 trying to explain to my brother-in-law the difference. also correct me if i am wrong but can't you just buy an upper and change calibers like .223 to .22lr
 

bvillars

Member
Feb 22, 2009
140
16
thanks for the info
 
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