I started the barrel inlet but can not finish it till the rechamber is done, it gets timed to my action and snugged into place. In the meantime I decided to make a couple of extra tools to help with the channel finish. To date I had been using parts of old barrels as push scrapers but that is not always the best way to do it so I cut a 3/4 inch lengths of the end of the barrel bits, drilled them to 7mm and hardened them

Some long 1/4 in bolts were set for the handles and 3 nuts were ground down so they would be a back nut and unobtrusive for scraping. Three lengths of 7/8 in dowel were drilled, the heads were cut from the bolts and some fins made on the shank to hold them into the handle

A bend on the bolt and the handle tapped into place and I have three sizes of scrapers. They may not look it from the pic but the bends are all the same and the scraper heads are reversible and sharpenable so should do for quite a while.