Firearms
Throwback Thursday: AR-15 .223 vs Mil-Spec 5.56mm Chambers
Get the right chamber for your AR15 to be successful Even though many manufacturers and specifications say you can use the SAAMI .223 and Mil-Spec 5.56 mm in the same barrel, there are some pros and considers to consider before you plunk down that hard earned cash. Read this article to learn the pros & cons of the SAAMI .223 and Mil-Spec 5.56mm.



