22 br

[maddysdad]

has any one used the new 203b powder for 50 to55 grain bullets.
jim stekle I think of Remington used it to seta record 5 shot ag.
gary b

 

[johara1]

203b is the same as RL-15….. jim

 

[stacy]

NEVER TRIED 203-B BOTH MY 22BR'S SURE LIKE VARGET AND 52GR BERGERS!

 

[lpreddick]

has any one used the new 203b powder for 50 to55 grain bullets.
jim stekle I think of Remington used it to seta record 5 shot ag.
gary b

My 12 tw 22BR puts 63 cheeks into small holes with 203 B, 30.4-30.8 gr at 3450 fps. Have not tried it with lighter bullets.