Well it's hard to tell, some people use different styles of play, however smart parts is pricey, so you may have to spend $500-$900+!
both are very good markers. The interiors are very similar. Both are spool valves. Though the proto slg will be slightly lighter then the ion xe, and have a different feel. Though on the flip side,...
Most likely things made by the guns company.
no
Rephrase this.