barrel treatment longer life

[retiredcpo]

Anyone ever tried one of the barrel treatments cryo ect stuff to lenghten barrel
life?
What where the results good bad or just a bunch of mumbo jumbo
retiredcpo

 

[geargrinder]

I've been thinking of having a few barrels nitrided. It's supposed to work real well. Not that expensive either, especially compared to the price of a custom barrel.

 

[retiredcpo]

Yea Im trying to gather more info for a up coming rebarrel
hoping to get more life out of my 7MM remington Mag
Just not sure If it really works or if its just mumbo jumbo stuff
retiredcpo

 

[BountyHunter]

The meloninite process is being used quite a bit more by the SR and LR BR guys who go thru some barrels.

There are claims of 5000 rounds of high velocity and pressure loads with the barrels still winning.

BR central probably has the most info on this and POCs for getting it done.

I have a 338 Lapua AI, 308, and 6.5x47 barrels going off soon.

BH

 

[BigSkyGP]

I haven't heard about the coatings, sounds plausible. Ti Ni coating really is a solid film lubricant, for tools that cut metal without lube/coolants, ie rifle barrel.

Heat/cryo treatment, definitely helps those that shoot more in one sitting. The treatment realigns the alloy's molecules of the barrel to be more uniform.
As a new barrel is straight when cold, usually about the third shot starts warping. A barrel fresh off a lathe after contouring isn't normally perfectly straight, the maker's bend it back to straight. The molecules are still bent, the heat build up in shooting will let a barrel go to that bent position in the barrels memory. Cryo erases the memory.