Decisions - Choosing between 7-08 or 308
- Thread starter sneedb82
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~30% less bullet drop and wind deflection with the 7/08 with the right bullets, coming from a huge 308 fan.
Barrel life on a 308 is approx 5000 rounds, 7/08 is approx 3000-3500, depending on what you call accurate.
A 6.5 on a 308 case would trump the 7 and 30 but would have lower barrel life(same powder charge in a smaller bore), which would also apply to a 25 caliber even more.
Trial and error will determine a "Happy Place" for your wants and needs. Remember, impact velocity matters.
Barrel life on a 308 is approx 5000 rounds, 7/08 is approx 3000-3500, depending on what you call accurate.
A 6.5 on a 308 case would trump the 7 and 30 but would have lower barrel life(same powder charge in a smaller bore), which would also apply to a 25 caliber even more.
Trial and error will determine a "Happy Place" for your wants and needs. Remember, impact velocity matters.
Jim’s Hunt
Well-Known Member
7-08 better ballistics with the same weight of bullet
Jim’s Hunt
Well-Known Member
Why not a 277-08 or Fury
Hornady offers the 7mm-08 loaded ammunition with the150 ELDX.
But you just leave that & the 7mm-08 components on the shelves at those LGS & buy the 308 stuff that sits right beside the 7mm-08.
You'll have a more popular choice in 308 but with a less efficient setup.
You leave that 7mm-08 SRP Aplha Brass at Blue Collar alone too- you don't need no metricing mess to muddle up your American 30 cal collection.
308 is more popular because it's been better supported than the 7mm-08.
More Prevalent doesn't equate to Superior.
Other than just being completely custom or Bougie, there's no advantage to a 6.8 based 308 except for more limiting in bullet choices.
xsn10s
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I just bought a 7-08 Howa Superlite. But if I was building an AR10 I'd build it 308 Win, especially for hunting 300-400 yards max. AR10's in 308 Win have been reliable feeders and not finicky. Some of the 6.5 CM in AR10s have had issues. I haven't heard of issues with 7-08 in AR10s, but I haven't heard much of anything about them in AR10s. So I'd go with a 308 Win, it's a known killer of deer and elk with the right loads.
wild_musk
Well-Known Member
Yes, everything he asked about would have to be tuned. I didn't have issues with any of mine with 130g, but I think the 12.5" barrel would.
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I own both 7mm-08 and 308. Go with 7mm-08. I shoot a X-Caliber 18 inch barrel and it is very accurate. Love the 7mm-08 better than the 308win.
You are right.
I'd definitly NOT do a 12.5 pistol 308 or 7mm-08!
I CAN tell you how unpleasant and inaccurate that is.
OP did say he had an 18" which is what I would use being he wants to shoot to 300-400.
He says he saving the 308 barrel he currently has to build a pistol at a later date and is going to by a Proof for the 308 or X-Caliber for the 7-08.
wild_musk
Well-Known Member
Ok, now things make better sense. RTFQ, sorry...
Vote for 308 here. Built a shorty 308 mostly for kicks and now it's all I use out to 400 yards.
