IIRC, 1/4" on an M2 Ball round is about 0-1 on a gauge, 3/16" is 1+, 1/8" is 2+, and 1/16" is about 3+. My Inland has a tad over 3/16" on an M2 Ball round, and shoots VERY tight groups.
IIRC, 1/4" on an M2 Ball round is about 0-1 on a gauge, 3/16" is 1+, 1/8" is 2+, and 1/16" is about 3+. My Inland has a tad over 3/16" on an M2 Ball round, and shoots VERY tight groups.