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AR15.COM
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2/15/2013 1:49:46 PM EDT
im thinking of building a 300blk what do i need? BCG and a barrel? also what is a nice barrel length it will be a SBR so I'm thinking of something around 10"
2/15/2013 2:08:38 PM EDT
[#1]
http://www.ar15.com/forums/t_6_42/385765_.html
2/15/2013 2:13:35 PM EDT
[#2]
AR Sponsor