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View Full Version : .300 Win Mag Life expectancy


Draankol
03-03-2010, 9:00 AM
I heard this again over the weekend and I want to ask if any of you have heard this.

Does a .300 Win Mag rifle have a shorter life than other calibers? I have heard twice now that .300 Win Mags shoot their rifling out faster than any other caliber. Seems like total BS to me, if you take care of your rifle it should last just about as long as anything else.

But, has anyone else heard this before?

swerv512
03-03-2010, 12:00 PM
Of course the barrel will last- it's not going to disintegrate beause you shot it out. i "hear" 300WM expectancy for precision accuracy is somewhere around 1000-1500. i'll keep ya updated, i have a 300WM in the works as i type. But it always depends on how hot the loads are. i'm sure you get decent accuracy past 2-3000 depending on your definition of accuracy.

ar15barrels
03-03-2010, 12:21 PM
ha, I just wrote a thread about this...

http://www.calguns.net/calgunforum/showthread.php?t=275749

swerv512
03-03-2010, 12:34 PM
^^^
i was actually looking for that thread to link it.....

Vu 308
03-03-2010, 2:26 PM
More heat, more pressure, more powder, = less barrel life.

My 300WM lasted about 1800 rounds in competition

swerv512
03-03-2010, 2:28 PM
More heat, more pressure, more powder, = less barrel life.

My 300WM lasted about 1800 rounds in competition

1800 rds- is that LR or "minute of steel" accurate?

Pthfndr
03-03-2010, 3:27 PM
1800 rds- is that LR or "minute of steel" accurate?

It was "I couldn't beat Rob's 100 year old Swede Mauser accurate". :D

swerv512
03-03-2010, 3:31 PM
Oh my! :rofl2:




... but wait, i dont think my .308 could fare much better....