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Old June 17, 2013, 06:41 AM   #70
Senior Member
Join Date: March 21, 2005
Posts: 433
Don't forget that the most widley used battle rifle in history,AK47, is a piston gun. I predict that one day soon DI will become obsolete when the piston operating system is perfected in the AR platform. I have two LWRC SPR's and 5 DI's.
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