5.56 vs .223 Headspace Specs: Critical Differences & Safety Guide
5.56 vs .223 Headspace Specs: Ensuring Safety and Accuracy Understanding the subtle yet critical differences between 5.56 NATO and .223 Remington ammunition is paramount for any firearm enthusiast, especially when it comes to headspace specifications. Headspace, the distance between the breech face and the datum line on the cartridge case, dictates how a cartridge fits … Read more
