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steelcobra · 01-10-2010, 07:56

Plus with an AR, you only have to buy a new upper to play around with different calibers.

Like this guy: http://www.militarygunsupply.com/sho...roducts_id=338

A 5.7mm upper that feeds from standard P90 mags and ejects down through the mag well.

01-10-2010, 07:56	#10
steelcobra Asset Join Date: Sep 2008 Location: FT. Carson, Co Posts: 33	Plus with an AR, you only have to buy a new upper to play around with different calibers. Like this guy: http://www.militarygunsupply.com/sho...roducts_id=338 A 5.7mm upper that feeds from standard P90 mags and ejects down through the mag well. __________________ Voice of the Reaper!
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