Luth AR - Lock Ring Carbine Castle Nut
Product description
Luth AR - Lock Ring Carbine Castle Nut
To secure a buffer tube to your AR15 or other platform that uses a buffer tube, use this Lock Ring or Castle Nut.
You screw this onto the buffer tube before you screw the buffer tube into the gun, then tighten the Castle Nut until the buffer tube is firmly secured. Then you can mount your stock onto the buffer tube.
