AR-15 vs AR-10 vs AR-9... Are They Considered "Standard" or "Household" Naming Conventions?
This video delves into the naming conventions and actual standards behind AR-style firearms, specifically comparing the AR-15, AR-10, and AR-9. It explains why AR-15 parts are so widely compatible due to a de facto standard, while AR-10 and AR-9 compatibility can be more variable. The presenter suggests "Semi Automatic Modular Firearms" as a more accurate descriptor for what makes an AR an AR. The video also highlights new giveaways and points viewers to comprehensive AR-15 and AR-10 builder's guides.









