great thank. a bit of advice, be sure the inside of the 'tube' is polished before using the button.

great thank. a bit of advice, be sure the inside of the 'tube' is polished before using the button.

great thank. a bit of advice, be sure the inside of the 'tube' is polished before using the button.

Great quality and surface finish. Be careful of the size you order, I ordered the 5.6mm and its diameter actually measures 5.8. The material you are rifling is very important. There is a certain amount of spring back after the rifling button passes through.

Great quality and surface finish. Be careful of the size you order, I ordered the 5.6mm and its diameter actually measures 5.8. The material you are rifling is very important. There is a certain amount of spring back after the rifling button passes through.

Great quality and surface finish. Be careful of the size you order, I ordered the 5.6mm and its diameter actually measures 5.8. The material you are rifling is very important. There is a certain amount of spring back after the rifling button passes through.