bna whats new section

[eric]

Hi guys  I am going to order one of the turned down barrels for my 1325xlt project.

Bill Do you still have the barrel  I would like to get started on making aluminum shims (riser) and knowing its diameter enable me to get started. 

I did a google search on  the np's barrel diameter but nothing...

Thanks,

             Kirby

I did see that they sell a .260 riser under the 22xx page but want to be sure.

typical OD are 14-16mm but the np is going to 15 or 16mm going on a guess i would 15mm .you can contour the barrel(flat or to the curve of the tube) or use a riser.had a 1320 with a 15mm barrel milled and machined to fit a rj machine breech with no riser and it was fine .

[Bill L.]

 Kirby,mine is .556" - 14.12mm.
Bill L.

[K.O.]

Thanks ,

I think that means I will need very little shimming if any and most likely will be able to use the stock breech screw length.

That is 1/8 larger than the stock 13xx barrels (which clear pump tube by about  1/16) but half is up top so its very close.


I like the idea of a thicker barrel  (less harmonics ?)

How was the lead and crown on yours...

I have enlarged ports but not drilled them ( I do have two drill presses  a 1940s Sears benchtop and a modern 17" Delta) and need to look for some

info on milling an area for the transfer port to seal...

[eric]

here's some pictures

here you can sort of see the barrel is flat on the bottom and fits over the compression tube

sorry no pictures worth showing of the crown or leade ,but the crown was good, the leade needed some work as there were burrs around the tp area

[K.O.]

thanks Eric

Mine will be a Crosman Steel breech on a 2100 pump tube(in a couple months I can afford it) plastic to start.

I was actually asking Bill about the crown and leade because he has the same barrel that I ordered.

I think yours looks great that way but this is a budget build with upgrades as I can get them.

If I am lucky the  9/16ths barrel will just clear the tube or if I need it looks like very minimal shimming of the breech.