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Question - Using a barrel vise?

Leaddog

F-Class T/R
Later this year I'll have my 6 Dasher build complete. It will be switch barrel set up so I can shoot BR LG and F Open. The action is a Multi flat BAT B.

Question: Since I will be switching barrels frequently during the shooting season, how far forward (towards the muzzle) of the action do you consider maximum to clamp the barrel? I know contour has something to do with this and closer to the action is best but I was wondering if you leave your scope mounted during a barrel swap? I was thinking of removing the sunshade and clamping just forward of my March. I went with the Farrells barrel vise. Seems to me that there could be barrel stress by going too far forward.

Your comments?
 
I switch barrels regularly and have always left the rifle complete, leaving the scope,sunshades, stock in place. This is whether it is a light weight 6 Dasher or a bigger 7mm. What is this about stressing barrels? I didn't think it would matter much whether you clamped it near the action or 10" forward when you are only torquing it to 70 lb/ft.
 
I always leave everything in place when I switch my barrels and have never noticed a problem doing it.......
 
As long as the shank slides past the scope's bell, I leave them intact.

Keep the threads clean, and don't be bashful with the grease.......
 
Thanks for the feedback. I'm new to switching out barrels for different shooting disciplines. Mark King is building out my new 6 Dasher. I'm really looking forward to shooting it.
 
When I was shooting Benchrest I always pulled my scope off before changing barrels as the consensus was that the rotational torque when the barrel breaks loose was a bad thing. It only takes a second and better safe than sorry in my opinion. I always used the plastic thread protector to help spread the anti-seize compound by putting some on the threads then screwing the plastic cap on then wiping any excess off before screwing the barrel into the action. Like the other posts, never ever put on a barrel without anti-seize compound! Tom
 
I switch barrels often and leave the scope on when changing. When I say I change often, I mean I may switch three times in one day. I use a
P Bike barrel vice and P Bike action wrench. I clamp the barrel close to the scope. I have never seen a problem with leaving the scope on. Because I change often the barrel is never so tight I have to use mountain man strength to separate the barrel from the action. Also with the P Bike wrench you are just (1/16 inch) back of the barrel cone so all torque is applied to the tenon area of the barrel and action. Side entry and those old flat bar model rear entry wenches can put torque on the action. I always lube the threads but not so much that it can leak down between the action and stock and break up the glue.
 
All my action wrenches are port inserted. After the barrel is hand tightened, I smack the wrench several times very hard with a 2 lb. hammer. But not with the scope on. Then make black marker witness marks across the barrel continuing to side of the action. A gunsmith showed me this. Most smiths use rear entry wrench and torque to 75 lbs. That is a bugger to loosen.
 
I like my four stud, aluminum, Davidson style barrel vise for switch barrel work. My barrel wrenches are rear entry, and I leave everything on the rifle. I don't do any smacking or hitting, when loosening or tightening, but my barrels are put on tight.
 
You can all laugh if you want to but I just happen to use a 2lb hammer and a few whacks on the wrench when tightening all my Savage barrels.
Barrel vice and no action wrench. I can reinstall within .001" everytime.

When you get right down to the gist of it 2lb hammer heads are quite a rarity these days.
Do you laugh at folks using original 8208 in thier PPC's too?
Different strokes for different folks.
 
"Barrel vice and no action wrench. I can reinstall within .001" everytime."
Quote from jo1911's post.

Well, now I am laughing.
Also you haven't been on many construction sites lately if you think a two pound hammer is a rarity.
 
Actually I'm on a construction site 5-6 days out of the week.
I quess I should have been more specific. My bad. I was referring to drilling hammers.
Theres no possible way anyone could have known that.

Which leads me to wonder,
Uthink Uknow what exactly?
 

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