Kyla Kenedy
From Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Kyla Kenedy (right) as Mika Samuels holds the Smith & Wesson M&P in The Walking Dead.
Kyla Kenedy can be seen using the following weapons in the following television series:
Television
Gun | Character | Title | Note | Date |
---|---|---|---|---|
Smith & Wesson M&P | Mika Samuels | The Walking Dead | "Too Far Gone" (S4E08) | 2013 |