Several people have it in bolts ,AR performance is the best place to go to get AR barrels and knowledge . Two things make it the great cartridge it is #1 it is very efficient and exactly enough power #2 the bullet companies have designed bullets specifically for the short barrels and velocity shoots them. . 7 mm bullets have to perform from slow 7x 47 speeds & twists up to 7 mm mag speeds & twist.308 bullets have to work from .308 W speed & twist to .300 Weatherby speeds & twist . Take for instance the 120 SST Hornady 6.8 we have taken deer with it close and far from 12.5 " to 18" and the wound damage looks the same and when bullets are recovered you cannot tell which is which .
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Blkram":36e3iso1 said:ozarkpugs":36e3iso1 said:I was reluctant to mention the 6.8 but since you brought it up I will add my 2¢ . The 6.8 went from almost obscurity to what I consider one of the most important new cartridges in over 50 years . The 6.8 is hands down the best short action ( youth size ) caliber . It has a shorter action and is more powerful with less recoil than a youth .243 it is inherently accurate with sub minute of angle with factory loads with quality barrels . Since the cartridge is designed for 14"-18" barrels you don't loose a tremendous amount of velocity going to 12.5 pistol length . Best of all it has helped make AR15s legitimate hunting guns . Face it ,a lot of people who claim to be second supporters only care about keeping their hunting guns and a lot of anti second say "We don't want to take away hunting guns" . Now we have Modern sporting rifles in deer calibers that are super accurate and very little recoil . The 6.8 has replaced my 7/08 & 30.06 for deer & my .243 and .223s for varmints .
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This is what I expected someone to say, as it pretty much echoes what I have read about the cartridge. I just have not played with it at all, so cannot comment from first hand experience.
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