BCM 14.5 raider 750 rd update AAC 77 gr OTM groups
This video provides a 750-round update on a BCM Raider M13 upper receiver, focusing on accuracy testing with 77-grain Open Tip Match (OTM) ammunition from Palmetto State Armory and AAC. The presenter demonstrates zeroing an EOTech optic with 55-grain ammunition at 50 and 100 yards, noting the impact of not using a magnifier. The video also touches on the firearm's reliability and the use of a Springfield Saint lower receiver.

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