Benchmark Barrels Contour Number
A
B
C
D
E
Approximate Weight
Benchmark AMU 9
1.200"
5.0"
.800"
27"
28"
6.5 lbs
Benchmark M24 10
1.200"
3.0"
.800"
27"
28"
6.0 lbs
Benchmark MTU 11
1.250"
5.0"
.900"
27"
28"
7.0 lbs