Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Ring Height Chart

View PDF of table below.

Measure the outside of the objective (front bell) including scope cover if used, and find size indicated in the chart below
If you have a 1 inch tube, the height from the top of the receiver to the bottom of the scope tube will need to be*
If you have a 30mm tube, the height from the top of the receiver to the bottom of the scope tube will need to be*
25mm
.944 inches
0 inches
 
26mm
1.023 inches
.011 inches
 
27mm
1.062 inches
.031 inches
 
28mm
1.102 inches
.051 inches
 
29mm
1.140 inches
.071 inches
 
30mm
1.181 inches
.091 inches
 
31mm
1.220 inches
.111 inches
 
32mm
1.259 inches
.130 inches
 
33mm
1.299 inches
.150 inches
 
34mm
1.388 inches
.169 inches
 
35mm
1.377 inches
.189 inches
 
36mm
1.417 inches
.209 inches
 
37mm
1.456 inches
.228 inches
 
38mm
1.496 inches
.248 inches
 
39mm
1.535 inches
.268 inches
 
40mm
1.574 inches
.287 inches
.197 inches
41mm
1.614 inches
.307 inches
.217 inches
42mm
1.653 inches
.327 inches
.237 inches
43mm
1.692 inches
.346 inches
.257 inches
44mm
1.732 inches
.366 inches
.276 inches
45mm
1.771 inches
.386 inches
.296 inches
46mm
1.811 inches
.406 inches
.316 inches
47mm
1.850 inches
.425 inches
.335 inches
48mm
1.889 inches
.445 inches
.355 inches
49mm
1.929 inches
.465 inches
.375 inches
50mm
1.968 inches
.484 inches
.394 inches
51mm
2.000 inches
.500 inches
.414 inches
52mm
2.047 inches
.524 inches
.434 inches
53mm
2.086 inches
.543 inches
.454 inches
54mm
2.125 inches
.563 inches
.473 inches
55mm
2.165 inches
.583 inches
.493 inches
56mm
2.204 inches
.602 inches
.513 inches
57mm
2.244 inches
.622 inches
.532 inches
58mm
2.283 inches
.642 inches
.552 inches
59mm
2.322 inches
.661 inches
.572 inches
60mm
2.362 inches
.681 inches
.591 inches
61mm
2.401 inches
.701 inches
.611 inches
62mm
2.440 inches
.720 inches
.631 inches
63mm
2.480 inches
.740 inches
.651 inches
64mm
2.519 inches
.760 inches
.670 inches
65mm
2.559 inches
.780 inches
.690 inches

*subtract the known height of the base from the height in the chart to determine the
actual height of rings needed for the corresponding objective size