This video from GUNBROS, featuring an expert speaker, explains the common observation of primer indentations on unfired AR-15 cartridges. It clarifies that these marks are a normal result of the free-floating firing pin's inertia during chambering and are generally not a safety concern. The expert also touches on the rare risk of slam fires if the firing pin becomes stuck.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.