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One case, I use a real bullet (nib) and drill the primer pocket to take the transmission (no pen tube)
The other case (top tube) I use a 7mm pen tube...the tape is to take up the slack between the tube (7mm) and cartridge mouth (7.62mm)...I then cut a slot in the tape so I can glue the tube to the cartridge mouth.
I don't glue or fix the tube at the primer pocket....1000s done and no fails yet..
I have seen people braise or solder the tubes in, I have bought brass bushes to set the tubes in the case mouths and use CA...many other methods...this is just mine

[QUOTE="flexi, post: 374095, member: 626"] One case, I use a real bullet (nib) and drill the primer pocket to take the transmission (no pen tube) The other case (top tube) I use a 7mm pen tube...the tape is to take up the slack between the tube (7mm) and cartridge mouth (7.62mm)...I then cut a slot in the tape so I can glue the tube to the cartridge mouth. I don't glue or fix the tube at the primer pocket....1000s done and no fails yet.. I have seen people braise or solder the tubes in, I have bought brass bushes to set the tubes in the case mouths and use CA...many other methods...this is just mine [/QUOTE]

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