Rainier Arms Avalanche Smith & Wesson M&P Charging Handle Ambidextrous Black. Our charging handle supports the uniqueness of todays shooter while combining the performance you have come to expect from Rainier Arms. Specifications for Rainier Arms Avalanche Smith & Wesson M&P 15-22 Charging Handle: Manufacturer: Rainier Arms Color: Black Finish: Black Fabric/Material: Aluminum Gun Make: AR Platform Smith & Wesson Gun Model: Smith & Wesson M&P 15-22 Hand: Ambidextrous Length: 7 in Features of Rainier Arms Avalanche Smith & Wesson M&P 15-22 Charging Handle Not compatible with the M&P 15-22 pistol Package Contents: Rainier Arms Avalanche Smith & Wesson M&P 15-22 Charging Handle What firearm models does the manufacturer say Rainier Arms Avalanche Smith & Wesson M&P 15-22 Charging Handle is compatible with? The manufacturer says that Rainier Arms Avalanche Smith & Wesson M&P 15-22 Charging Handle is compatible with Smith & Wesson M&P 15-22Rainier Arms RA-AVA-MP1522-BLK: Avalanche Smith & Wesson M&P 15-22 Charging Handle Ambidextrous Black