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hodaka · December 25, 2012, 06:49 PM

Not as powerful as your 270 although launches the same diameter bullet. Typically one uses a 110 -115 gr. bullet in the .68. As pointed out, it is a way to get more power out of a AR platform without going to an AR-10.

December 25, 2012, 06:49 PM	#3
hodaka Senior Member Join Date: April 23, 2006 Location: South Texas Posts: 1,511	Not as powerful as your 270 although launches the same diameter bullet. Typically one uses a 110 -115 gr. bullet in the .68. As pointed out, it is a way to get more power out of a AR platform without going to an AR-10.