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Old 11-30-2021, 05:50 PM
dw617 dw617 is offline
Join Date: Jul 2013
Location: MA
Posts: 598
Default 1903A3 re-Barrel receipe, a pinch of brown sugar

I'm in the process of re-barreling my 03-A3 with a new criterion Barrel. I've never done an 03 style rifle before but I've done several Garands.

Several years ago, I bought tooling from a forum member knowing I would need to change out an 03 barrel eventually. The barrel vice has circular aluminum inserts.

Removing the barrel, I tightened everything down, let some penetrating oil do it's job and went at it with a 3 foot cheater bar. Barrel kept spinning, leaving a nice ring of AL where it sat in the vice. Tried and tried. Defeated, I looked towards the internet. I don't have any rosin, but I read some guys used brown sugar. I got some in the cupboard and I got nothing to loose by trying.

Set everything back up again... and the barrel twisted in the vice, again, argh. But, I noticed the vice was loose - perhaps that first twist distributed the brown sugar. Tightened it down again....and the receiver twisted free.

Upon removing the barrel from the blocks, it appears the brown sugar carmelized under pressure. It was stuck onto the barrel. A little warm water took it right off though.

I used the same technique for re-installing the new barrel. First tighten distributed the sugar, while the next one lined everything up. The barrel timed up perfectly.

Last edited by dw617; 11-30-2021 at 05:52 PM.
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Old 11-30-2021, 05:52 PM
ZvenoMan ZvenoMan is offline
Join Date: May 2011
Location: BHM AL
Posts: 4,934

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Old 11-30-2021, 06:12 PM
pickax pickax is offline
Join Date: Jan 2011
Location: Daytona Beach Fla.
Posts: 1,421

Yes, a childhood memory, a spoon full of sugar makes everything go down.

Edit: the salt people will be along shortly
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Old 11-30-2021, 06:29 PM
Jakeroub Jakeroub is online now
Join Date: Dec 2016
Location: Mass
Posts: 1,554

Great tip! I bought a little bottle of rosin several years ago- wish I knew about the brown sugar trick!
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Old 11-30-2021, 11:02 PM
xroads xroads is offline
Join Date: Feb 2013
Location: east hartford ct 06108
Posts: 428

rosin is easy and clean. any sporting goods store has it.
save the sugar for cookies.
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