The inner barrel sleeve is used to recover the inside of the rifle barrel where the shell is placed.
3 pieces included in each box.
**MAKE SURE TO SELECT THE CORRECT CAL. FOR YOUR RIFLE**
How to use:
1º - Widen the chamber according to the sleeve's dimension (-0,03mm of diameter);
2º - Lightly heat the chamber so it will dilate;
3º - Place the sleeve into the barrel;
4º - Fit the extractor;
5º - Lightly sand the interior of the sleeve.
