All 300AAC Blackout for AR-15 platform, brand new, never used or mounted: Nemo 16", M4 profile, nitrided barrel. .308 A2 flash hider RCBS small base two die set WFT (worlds finest trimmer) by Little Crow Gun Works. LAST PRICE DROP - $320 FOR ALL. If no one wants them at this price, I'll just keep them and do a build. I come up to Portland/Vancouver regularly and could deliver them to that area.