Stem size: Because of the varying bore sizes of the .22LR you will receive two (2) different size stems with this order, a .210 and a .214. You will need to use the one that fits the most snug in your barrel
Description
This is a simple TAT (thread alignment tool) for re-threading .22LR and .223 caliber muzzles to accept 1/2-28 RH muzzle devices. It helps you get the die started level and on-center to prevent costly mistakes.