.308 vs .300 Win Mag for long range accuracy?

for close range the 308 is better less recoil and half the noise
1000yards the 300mag will be better

A .308 is more than enough for pigs

Unless you're shooting boar at 300++ yards the .308 is just fine. I dont believe the boar will notice the difference. The .300 WM comes into its own beyond 600 yards for target shooting. Even then there are better options available for punching paper like the 6.5x47 Lapua, .260 Rem and the 6 BR.

What's with the inches next to the calibers? Surely you aren't buying a Tikka T3 in a 14" 9.3x62mm?

For hunting at shorter ranges, and paper punching at 1,000 yards,

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The myth of the all purpose rifle.
A rifle heavy enough to be steady from a solid position, and heavy enough to not kick you silly in a nice morning at the range will be way to heavy to carry in the woods.
My F-T/R target rifle weighs 17 lbs.
My 788 deer gun weighs less than half that.

For hunting at shorter ranges, and paper punching at 1,000 yards, is there any advantage to using 300 win mag vs .308? (assuming factory match ammo in both cases)

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Well, first, you will not be using match ammo for hunting. Assuming two equally accurate rifles (big assumption, but once again, it's the rifle that is accurate, not the cartridge) in the lower 48, the advantage of the .300 Win Mag in hunting is in extending the range at which hunting can be ethically done. So, assuming you are hunting at shorter ranges for game other than the big bears, the .308 will serve you fine. When it comes to target shooting at 1,000 yards, the .308 is a marginal cartridge, and the .300 Win Mag is clearly superior to it. So, determine what your priority is and go with that cartridge, but again, it's the rifle, not the cartridge.

Don

The .300 Win Mag has become the new extremely popular round for long range work, but I want to know where everyone is shooting 1000 yards. I laugh about it when I read it now because of that guy on youtube that hso posted it's a riot. I have to drive 4 hours to tampa to even shoot at 500 yards, and a 1000 yard shot in the glades might be possible, but good luck getting a shot at a hog at that distance. OP your question is too diverse to have one answer. For short range pigs well inside of 200 yards, if not 100 yards, a .308 is more than fine. I've tested the T3 and it is pretty accurate, but not a 1,000 rifle by any stretch of the imagination (unless you straightjacket it). You are much better with a Savage or TC Venture.

but I want to know where everyone is shooting 1000 yards.

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In the Rural South, we do our long range shooting in the pasture! Just got to make sure the cows, horses and goats are out of the way.

The Army considered the difference significant enough that all the .308 sniper guns are being rebuilt as .300 Win Mag. Apparently the long range benefits are there.

They do NOT shoot handloads, factory production only.

YES.

Something on the History channel showed them hand loading for .300 WM...at least for the guys shooting matches. They were using a Hornady single stage press.

In answer to your question regarding the Tikka T3 - 6.5X55 SE

I particularly love 6.5*55.
used in sweden for heavy game, better at distance than 308, less power then 300wm.
I'm going with Jim Watson though: for paper: heavy gun, heavy optics (heavy barrel)
for hunting: everything light
So you could go in one caliber but best two guns

Greetings
Peter

Have you ever considered the .270 Win? Flat shooting round in 130gr should do a number on hogs(I know it'll sure thump a whitetail). If you reload you can get 110gr match bullets now. Less recoil than either the .308 0r the .300. Ammo selection, availability, and price is great. I could go on for a lot longer...oh well. If you decide to try one, and you reload, Try a 130gr. Interlock on top of 60gr. IMR 7828ssc(winchester brass, CCI250 primer)

270 winchester or 30.06 will cover long range and not wop the snot out of you shooting it. Plus the ammo price is not terrible.

I agree, the .270Win. is a superb, and good alter. to a .308Win. for hunting. As for the .300Win.Mag. it is a great choice for long distance target shooting, it does have a good kick though.

For hunting deer <400yd and paper punching to 1000, REALLY hard to beat a 6.5mm load (260, Swede, Creedmoor, x284, etc).

If you absolutely have to have magnum, 7mmRM.

Take a look at the 7mm-08, recoils like a .243, hits like .308 and shoots flat like a 270. Will actually overtake a .308 at about 250yrds, so i'm told.

The .300 Win Mag has become the new extremely popular round for long range work, but I want to know where everyone is shooting 1000 yards. I laugh about it when I read it now because of that guy on youtube that hso posted it's a riot.

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Well, you may find it funny because you are in the east where it is near impossible to shoot 1000 yards without aiming over 10 houses or so. Well, out here in the west we often find legitimate reasons to practice 1000 yard shots. Though I will never shoot at an animal from 1000 yards, it is still fun to try my hand at hitting targets that far away.

While certainly not comparing to the wide open spaces in Idaho, there certainly are plenty of places to take 1000yd shots on the east coast.

http://www.virginia1000.com/frame_main.htm

West Texas, wide open spaces out there for long distance shooting, although I agree I wouldn't take an animal at 1,000yd's unless it was a big as T-Rex.