Winchester 70 rebore 35W

[micky_blue]

Hello guys, got a bit of conundrum on my hands. I bought a Winchester M70 XTR in 270. I wanted the laminate stock for my 6.5x55 because that rifle came with a piece of pulp wood attached. I got a screaming deal on the 270 because about 3 inches down the barrel there is a slight bulge. Since there is no point in owning a rifle I can't shoot, I am considering sending it to Jess Reboring, having the bulge chopped off and having the rifle bored to a 35 Whelen. If Jess agrees to try this, and since the barrel is going to be around the 18" mark, I want to make this a dedicated cast shooter.

Now the question, what twist should I use. I am in on the group buy for a 220gr mold from Miha. I am considering since the barrel would be short maybe something heavier. 275-300gr range.

Please deposit $.02 below.
thanks
micky

[flounderman]

I don't know the diameter of the barrel but it could end up a little thin around the bore. I would cut the barrel off behind the bulge, use a square and a file to get it even, and find something to crown the barrel a little and see how it shoots. I have done this a few times and the guns have shot good. If it works, you end up with a cheap rifle that handles better than the original, if it doesn't, you are not out anything, but some time. I haven't looked at rebore costs lately but the last I looked I could buy another barrel cheaper. I would chop it and try it before I did anything else. If it shoots OK and you still don't want it, you can sell it.

[Zim]

When you shorten bulged barrels, how do you check the chambers to make sure they aren't compromised?

JES was around $200 for reboring when I checked. A good barrel installed cost more.

[Gtek]

A bulged barrel to me means there was an obstruction when discharged. I would need to pull barrel and check locking shoulders for setback and a serious bolt lug inspection just for feel better. 99% of the time one would find nothing, how's your luck? I am pretty sure the barrel will come off for boring. Take off barrels are/can be found pretty cheap and returns the option of more length for balance and increases velocity potential. The XTR is a push feed and if touching shoulder for headspace chase is really required no big deal. Mr. Jesse does some fine work (I being a previous and future customer). Maybe a quick afternoon phone call to him, he may complete all task to meet your needs. I being one that goes from one rabbit hole to the next completely understands the lure of the "donor rifle", one receiver that magically turned into a fourteen hundred dollar rifle comes to mind. But I can never buy exactly what I want at the time, so I make it. Make you happy!

[Mk42gunner]

My .35 Whelen has a 1/14" twist, and I am satisfied with it so far.

Robert

[micky_blue]

Thanks for the twist. I am thinking 230 would be the lightest boolit I will shoot.

[pietro]

.

Jes charges $225 (3-groove) or $250 (4 or 5 groove) for the rebore ( www.35caliber.com ), but he (nor any reputable rebore specialist) take the job if the resultant muzzle OD doesn't have a bbl wall thickness at least .125".

A rebore to .357" + two .125" barrel thickness' (.250") = .607" OD req'd @ the eventual muzzle.

Measure the bbl OD, where you want it cutoff to exterminate the bulge.




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[micky_blue]

Thank you for those numbers. Maybe if there is enough meat in the barrel I could do a 9.3x62.

[ColColt]

If you don't like it I have one I'm considering selling soon...a Remington 700 Classic.

[TXGunNut]

I had Jesse rebore my 670 last year, very good work and an excellent price. I'm a little concerned abut the 18" bbl length, would be happier with 20 or 22. Maybe you could find a take-off bbl.

[sthwestvictoria]

THe 7600 carbine is only 18.5" - I wonder how people do with these?

I have a M70 that has been rebarreled to 35W, heavy profile, 1:14 twist. 250grain cast is the heaviest I have shot:

I also have a M98 that has been re-bored here in Australia. There is plenty of thickness left there from the 8mm barrel - however you are starting with a 270.

[micky_blue]

Spoke with Jes today. The rifle is will be on its way to him next week to get his assessment. Once it gets there he is going to see if a 9.3x62 is possible, if not a 35 Whelen.