Ultimate Arms Gear Chamber-View .223 5.56mm 6.8mm SPC AR15 AR-15 M4 M-4 M16 M-16 A1 A2 Empty Chamber Safety Flag Load Indicator Device Polymer Orange Dummy Ammunition Ammo Shell Round Designed To Fit AR15 Type Rifles, .223 5.56mm 6.8mm SPC. Molded In High Visibility Hunter Orange Silicone. Provides Instant Recognition Firearm Is Safe To Other Shooters. Aids Against Accidental Closing Of The Action. Prevents Contamination From The Elements. Safety Indicator is Made of Durable Polymer & Can be Used Over and Over. Color: Safety Orange. Offer you a Load Indicator that is "Safety You Can See"