For the .683 all zap biased and rps work perfectly fine expesuly the evil primer
LIGHT!!!!!! very accurate, can clear your barrel for breaks in about 2 shots realy nice
ummm none I can think of
Ok this barrel is so worth you money I got two two piece barrrels for 120 very cheap in the range beetween the ultralight and the boom stick I like it better than the freak( I lost the inserts)lol but all in all it is a freakinly good barel set for your gun! i love it!
very good price, quality, and looks! its the best barrel for any gun you can buy. Im giving this a 10 out of 10 its a realy nice barrel for the price!