BR-255/20 34 x 0.20 ct > 19.5 gr
BR-255/15 40 x 0.15 ct > 18 gr
BR-255/10 43 x 0.10 ct > 17 gr
BR-255/7 45 x 0.07 ct > 15.5 gr
BR-255/5 50 x 0.05 ct > 14.5 gr
BR/255/3 51 X 0.03 ct > 14 gr
