Sinclair International AR-15 MAGAZINE SAFETY BLOCK, YELLOW 14-375

A safe rifle on the range is important to all shooters. This bright yellow magazine block renders all models of AR-15's safe. The solid plastic block locks into the magazine well and can't be unlocked unless the bolt is retracted. The bottom of the block protruding from the magazine will provide a visible safe weapon indication. (Does not replace flag for NRA/CMP competition.) Manufacturer Part Number: 14-375