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4/12/2013 11:33:20 AM EDT
Can you use all the parts of a 556 upper except the barrel for a 6.8 build, like you can the 300BO?  Will the lower and mags need anything done to them.

What length barrel for the 6.8 would you suggest?

THANKS
4/12/2013 11:38:23 AM EDT
[#1]
No you need diffrent mags and bolt as well.
4/12/2013 12:03:48 PM EDT
[#2]
12.5 if sbr, or 16 to 18 for non sbr. imo
4/12/2013 2:43:47 PM EDT
[#3]
Quoted:
No you need diffrent mags and bolt as well.

Yep! That is correct.

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