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·Anybody have a 6.8 SPC upper? Did it match or fit in with your lower AR 15 223/5.56? Did you have to buy new magz for that size caliber? Like to use it for hunting Deer or Caribou... any thoughts on this?:?:
I bought a Stag 5.56 Lower (no different than the Stag 6.8 lower except the letters stamped on it and the price). I put a Stag 6.8 16" upper with it. The 6.8 SPC DOES requires different magazines than the 5.56/.223, but everything else is pretty much the same.Anybody have a 6.8 SPC upper? Did it match or fit in with your lower AR 15 223/5.56? Did you have to buy new magz for that size caliber? Like to use it for hunting Deer or Caribou... any thoughts on this?:?:
I'm not sure I understand the reasoning behind that. :?:make sure your lower is marked for caliber 6.8 or multi to keep the atf happy.![]()
Changing calibers does not violate any laws. People do it everyday.make sure your lower is marked for caliber 6.8 or multi to keep the atf happy.![]()
Changing calibers does not violate any laws. People do it everyday.
well my guess is that you have been searching for the 6.8 and not for all alternative ar calibers.Me too... not sure about the 6.5 Grendel?? Haven't heard or read to much about it.
Your FFL:I aksed my FFL about swapping uppers and was told as long as the lower is marked as caliber "Multi" than the caliber upper doesn't matter and you can swap all you want. If you lower is marked 5.56/.223 than you legally should stay with that caliber.