Chamber Flags are used to visually show that a Weapon is SAFE from a glance. Also known as Open Bolt Indicator (OBI) or Empty Chamber Indicator (ECI), the brightly colored flag obstructs the firing chamber and alerts the range officer and other shooters that the fire arm chamber is empty!
Chamber Flag
10 Pack Open Chamber Indicator Safety Flags (Safety
High visibility Saftey Yellow Smaller diameter shaft accommodates all popular calibers down to .177 Cross section design makes the ECI much more
RANGEQUIP 10 Pack ECI Safety Flags (Safety Yellow)
Chamber-View Empty Chamber Indicators (ECI) for Gun Safety
P2 brand MAGA Empty Chamber Safe Chamber Flags Rifle Pistol Range
Sylvan Arms Universal Firearm Gun Chamber Safety Flag
All Chamber Flags – Plug'r USA
Empty Chamber Indicator - Flagazine by DeWZ
P2 brand MAGA Empty Chamber Safe Chamber Flags Rifle Pistol Range