The Smith & Wesson M&P 15-22 Magazine Flag is retained just like a regular magazine. Simply insert it when the bolt is locked to the rear.
- Remember, any chamber flag is a consumable product and will wear out over time.
- Although the magazine flag will hold the bolt back, over time this will cause excessive wear on the magazine.
- We recommend utilizing the bolt hold-open capability of this rifle to ensure a longer lasting product.