12 gauge reamer ( rifled barrel )

[Spcamno]

Is the reamer any different to cut a 12 gauge rifled barrel vs smooth bore?

Thinking of extend the chamber on an Ultra slug hunter from 3" to 3.5" (this is the thick barrel version not the light).

 

[gstprecision]

The only difference would be the pilot bushing.

GST

 

[dero338]

3 1/2 run at a higher pressure than 3" be sure your barrel and receiver can handle it

 

[Spcamno]

Thank you gentlemen for your post.

It's a SB2 receiver and thick barrel (10 ga recever and 10 ga barrel).

Any idea where to purchase a reamer like that or who is capable to cut the chamber for me?

 

[nw mb]

...check out pacific tool or clymer or even manson...never problems getting their grit across the border....

 

[gstprecision]

I get Manson's from Bighorn Sales. It won't be cheap, probably better finding a smith who has one. There is a few specializing in shotgun around.

GST