Proof Research machine cut barrels

[urbanrifleman]

I had no idea they make machine cut barrels. I wonder why no one talks about them?

 

[tac284]

I bought a proof carbon fiber last year and noticed they had them. I think I read Alex Wheeler mention they where decent.

 

[GenePoole]

What does "machine cut" mean in this context?

 

[urbanrifleman]

Cut rifled.

 

[Dusty Stevens]

That is the barrels they dont turn down for carbon fiber wrapping. They bought some barrel company after they started- satern maybe. My 2 personal proof barrels are kriegers from way back

 

[urbanrifleman]

That is the barrels they dont turn down for carbon fiber wrapping. They bought some barrel company after they started- satern maybe. My 2 personal proof barrels are kriegers from way back

Lawrence barrels.

 

[Delfuego]

I think I read Alex Wheeler mention they where decent.

They are better than decent. They are very good barrels. I am no GS, but from the people I know that use them and the smiths that have chamber them, they are very straight and very consistent. I have one waiting to be chambered right now and wouldn't hesitate on getting another.

 

[Jesse Gietzen]

they just recently started making buttoned barrels as a lower cost alternative. everything has always been cut in house. also, there is no difference between the stainless barrels and wrapped barrels. they're all just rifled and lapped barrel blanks and can easily be stainless contoured or contoured for wrapping.

 

[Alex Wheeler]

I have one out there on a lr BR rifle. Its the best barrel that shooter has last I heard. Solid groups at 600. They dont seem to want to make us heavy varmints for some reason so we dont use them much.

 

[Ledd Slinger]

Are the Steel barrels button pulled or cut?

I see they make a 30" Heavy Palma contour steel blank so maybe finish out at 28" or so. I'm not a big fan of the Palma contours, but I suppose they would work well. They also make a M24 contour, but only in 28" (finish at 26").

Noticed they show their steel barrels finishing at 1" less than the blank length, but I know most smiths like to take off more than 1" total from both ends.

 

[Dusty Stevens]

Are the Steel barrels button pulled or cut?

I see they make a 30" Heavy Palma contour steel blank so maybe finish out at 28" or so. I'm not a big fan of the Palma contours, but I suppose they would work well. They also make a M24 contour, but only in 28" (finish at 26").

Noticed they show their steel barrels finishing at 1" less than the blank length, but I know most smiths like to take off more than 1" total from both ends.

You can chamber that one bad end as long as you know its there then cut 1” off the muzzle

 

[Ksracer]

The half dozen or so cut rifled steel Proof barrels I've chambered have all been excellent. They intentionally turn a 1.5" stub of the muzzles OD to .610" so you're forced to cut the "bad" part off. The do the same with the carbon wrapped ones. I believe the advertised length is what it will finish at.

 

[Ledd Slinger]

The half dozen or so cut rifled steel Proof barrels I've chambered have all been excellent. They intentionally turn a 1.5" stub of the muzzles OD to .610" so you're forced to cut the "bad" part off. The do the same with the carbon wrapped ones. I believe the advertised length is what it will finish at.

Ok I understand now. I was wondering what that stub was at the muzzle when looking at their contours. Thanks for that bit of info.

 

[Ledd Slinger]

So does anyone know if the steel barrels are cut rifled?

 

[tac284]

So does anyone know if the steel barrels are cut rifled?

Browsing around on the internet I see places like CORE shooting solutions and stockys both list them as cut rifled.

 

[Ksracer]

So does anyone know if the steel barrels are cut rifled?

You know, their website does a damn good job of dancing around that subject. Maybe they are button rifled. Regardless, they shoot well.

 

[Ksracer]

I just received e-mailed confirmation from Proof that the majority of their barrels are cut rifled, with the exception of one specific application for an OEM.

 

[Delfuego]

I believe they are working on creating more contour options.

 

[Ledd Slinger]

I'll bet the stubs on the ends of the barrels also serve a purpose for holding the steel when they carbon wrap them.

 

[Jesse Gietzen]

I'll bet the stubs on the ends of the barrels also serve a purpose for holding the steel when they carbon wrap them.

well, it wouldn't be good to crown them first, and then clamp them in and wreck the crown... the nubs don't really serve a specific purpose. it's hard to get the reamer marks out of the last inch, so you chamber one end and cut off the other. it's all good when you plan it that way first.

the only ones that are nice are the super short pistol ar barrels that have a 6" nub instead of 2" because the carbon wrap anchor stays on the nub and you don't have to cut it off before it goes in the oven.