guruofhotrod Posted July 4, 2018 Report Posted July 4, 2018 (edited) For those of you that have the Matrix upper/lower sets from Chris Riedeman (or other DPMS Type 308AR owners) Primary Arms has an awesome deal on a Matrix 308 BCG - $99.99 - it has a 8620 carrier with F/A serrations, a Carpenter 158 Bolt, they don't specify but it appears to be nitrided or CQP finished - looks pretty good! http://www.primaryarms.com/matrix-arms-dpms-pattern-ar10-308-bolt-carrier-group Edited July 4, 2018 by guruofhotrod
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