17 (0.172")
3 groove
9"
10.00"
4 groove
9.00"
5 groove
6"
7.70"
8"
10.00"
12"
polygonal
8"
19 (0.198")
3 groove
12"
5 groove
9.00"
13"
polygonal
11"
20 (0.204")
3 groove
7"
8"
8.5"
9"
10.00"
11"
12"
14"
16"
5 groove
9.00"
polygonal
9"
11"
5.45 Russian (0.220")
4 groove
6"
7"
7.7"
5 groove
7"
7.70"
10.00"
polygonal
7"
22 Rimfire (0.222")
3 groove
16"
5 groove
6"
8"
10.00"
14"
16"
17"
18"
20.00"
6 groove
10"
14"
18"
polygonal
16"
22 Centerfire (0.224")
3 groove
6"
6.5"
7"
7.5"
8"
9"
10.00"
12"
13"
13.25"
13.5"
14"
16"
5 groove
4"
6.5"
7"
7.5"
8"
8.60"
9.00"
10.00"
12"
13"
14"
15"
16"
polygonal
6.5"
7"
8"
9"
12.00"
14"
228 (0.228")
5 groove
8"
10.00"
6mm (0.243")
3 groove
6"
6.5"
7"
7.5"
8"
9"
10.00"
11"
12"
13"
13.25"
13.5"
14"
16"
5 groove
5"
6"
7"
7.5"
8"
8.50"
8.60"
9.00"
10.00"
11"
12"
13"
13.50"
13.75"
14"
15"
16"
polygonal
7"
8"
9"
10"
25 (0.257")
3 groove
7"
10.00"
12"
14"
5 groove
7"
7.5"
8"
9.00"
10.00"
11"
12"
14"
polygonal
10"
6.5mm (0.264")
3 groove
7.5"
8"
8.5"
9"
10.00"
5 groove
7"
7.5"
8"
8.50"
8.60"
9.00"
10.00"
11"
12"
polygonal
8"
8.5"
9"
270 (0.277")
3 groove
10.00"
13"
5 groove
8"
8.50"
9.00"
10.00"
12"
polygonal
10"
7mm (0.284")
3 groove
7"
8"
9"
10.00"
11"
12"
13"
14"
15.00"
5 groove
7"
8"
9.00"
9.5"
9.52"
10.00"
11"
12"
14"
polygonal
8"
9"
10"
29 cal (0.298")
5 groove
10.00"
298 – 30 Tight Bore (0.307")
4 groove
13"
30 (0.308")
2 groove
16"
3 groove
6"
6.5"
7"
7.5"
9"
10.00"
12"
13"
14"
15.00"
5 groove
4"
5"
7"
8"
8.50"
9.00"
9.5"
10.00"
11"
11.25"
12"
13"
14"
15"
17"
18"
polygonal
8"
10"
12.00"
303 British (0.311")
4 groove
10"
5 groove
8"
32-40 (0.321")
5 groove
16"
8mm (0.323")
3 groove
10.00"
5 groove
9.00"
10.00"
12"
318 (0.330")
5 groove
10.00"
333 (0.333")
5 groove
10.00"
338 (0.338")
3 groove
6"
10.00"
11"
12"
14"
5 groove
4"
6.5"
7"
8"
9.00"
9.5"
10.00"
11"
12"
polygonal
8"
10"
348 (0.348")
5 groove
12"
9mm (0.355")
5 groove
12"
14"
6 groove
10"
357 Pistol (0.357")
5 groove
17"
polygonal
12.00"
14"
35 (0.358")
5 groove
10.00"
12"
14"
16"
polygonal
8"
9.3mm (0.366")
5 groove
8"
10.00"
12"
375 (0.375")
3 groove
12"
15.00"
5 groove
7.5"
8"
10.00"
12"
14"
18"
polygonal
10"
10mm (0.400")
6 groove
16"
8 groove
8"
polygonal
25"
408 (0.408")
6 groove
16"
8 groove
13"
41 (0.410")
8 groove
16"
411 (0.411")
8 groove
16"
405 (0.412")
8 groove
14"
416 (0.416")
3 groove
14"
6 groove
10"
12"
14"
8 groove
8"
11.00"
14"
404 (0.423")
3 groove
9"
9 groove
14"
44 Pistol (0.429")
8 groove
18"
25"
38.00"
425 WR (0.435")
8 groove
16"
45 Pistol (0.451")
6 groove
7"
16"
18"
22"
8 groove
36"
457 (0.457")
3 groove
28"
458 Rifle (0.458")
3 groove
13"
14"
6 groove
8"
8 groove
6.00"
8"
10"
14"
15"
18"
20"
22"
26"
475 (0.475")
6 groove
10"
16"
18"
38"
8 groove
18"
50 AE (0.500")
3 groove
9"
8 groove
12"
18"
25"
36"
505 cal (0.505")
8 groove
16"
20"
50 cal (0.510")
3 groove
13"
15.00"
26"
38"
6 groove
18"
20"
8 groove
8"
10"
13"
14"
15"
18"
20"
polygonal
15"
550 (0.550")
7 groove
16"
20"
577 (0.585")
8 groove
18"