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thmpr
10-03-2007, 5:12 PM
.750 ID being the most common size, what other sizes are there?

.850
.936

ar15barrels
10-03-2007, 5:17 PM
Common sizes:
0.625"
0.750"
0.875"
0.936"

Rare sizes:
0.850"
0.908"

thmpr
10-03-2007, 5:21 PM
I did not want to hear that .850 is rare :( Oh well.

Randall,
I want to replace my butt ugly square GB with a GB that has the front sight included. What would you recommend? Recontour the barrel to .750"?


Thanks!

ar15barrels
10-03-2007, 5:23 PM
I want to replace my butt ugly square GB with a GB that has the front sight included. What would you recommend?

Recontour the barrel to .750"