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AR15.COM
10/27/2009 3:20:01 PM EDT
I should or should not build a 6.8
I have 2 lowers on the way that will need to be built.
I already have a  Sig 556.,My son has a AR15 in 5.56
and I think I want something a bit bigger for roadgoats
Now one build is for the wifee and the other is for me.
I am thinking the first build will be in 6.8spc-see how the
wife likes shootin it to decide on the second build.

Any thoughts on this?
10/27/2009 3:29:14 PM EDT
[#1]
Well you CAN do both on well both...
Pull two pins, Swap Upper and Mag and it is a different caliber...
This is one of the superior things about the AR platform... You REALLY Can have ALL in one.
5.56 is the native...
6.8 can be had
6.5 can also be had
17 remington
222 remington
7.62x39
300 Whisper
22 LR
9mm
45 ACP
10mm
458 Socom
450 Bushmaster
50 AE
40 S&W
5.7 FN
.50 Beowulf
.50 BMG...
I can't recall all of the available calibers but damned if that isn't a good start!