0.750"+ @ barrel end
Won't work on any AR-15 barrel except for .750"
Allows you to secure your upper with a vise block
How to use:
Insert flat end into vise block and tighen securely.
Slide upper over rod and align the barrel extension with the splines of the rod.
Each rod has 8 splines so to change the angle, simply slide off, rotate and slide back on.
0.750" + OD @ spline cluster
11" x 0.99" x 0.99" (L x W x H)
Top section (that goes into the barrel) is CNC machined from 7075-T6 aluminum alloy. Remainder is 6061-T6 aluminum alloy.