Carbine barrel nut tool manual 

CZ assembly workers sometimes use unnecessary amount of adhesive. Sometimes even barrel comes loose before the barrel nut gives up. Would you please write us an email. Perhaps a picture would help too. Will see what we can do for you.

There's no way to heat up the barrel nut here. Just clamp it firmly in the vice by the front trunnion and use more force. This tool will do it.

@@ascalonarms9156 oh ok I thought there was anitger way or trick to do it other than just applying a lot of force,, tyanks

The barrel protective sleeve is included in the package :)