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About .300 BLK and .300 BLK Uppers

About .300 BLK and .300 BLK Uppers

Posted by MCS GEAR UP on Jul 31st 2025

While it may be the case that the majority of AR style platforms out there are built around either the .223 or 5.56, or around hybrid uppers
Your Guide to Micro ARP Builds

Your Guide to Micro ARP Builds

Posted by MCS GEAR UP on Jul 14th 2025

Looking for a way to get rifle-level firepower in a pistol-sized build, but don’t want to deal with the red tape associated with build