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Does multi-caliber simply mean .223, 5.56 and .300 blackout? Or...can this upper also be used for a .308 build?
3 Answers

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Does multi-caliber simply mean .223, 5.56 and .300 blackout? Or...can this upper also be used for a .308 build?
Hi Rod, This only shoots 223, 5.56 and 300 blackout you would need a .308 receiver to handle the larger .308 cartridge.
Just 223 5.56 and 300 blackout you would need a .308 receiver to handle the larger .308 cartridge
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Aero Precision Multi-Caliber FDE Finish
Just the "Calibers" you mentioned Rod. The 308 is a much larger receiver configuration. You would need a 308 specific receiver for a "308" build.