Warne MESW5/4BLK Magazine Extension Black Hardcoat Anodized 6061-T6 Aluminum for S&W M&P 9/40 9mm Luger (+5) 40S&W (+4)
Product Features & Specifications Warne MESW54BLK Magazine Extension made of 6061-T6 Aluminum with Hardcoat Anodized Black Finish for S&W M&P Magazines (Adds 5rds 9mm Luger, 4rds 40 S&W) These extensions feature an ergonomic shape that allows for better insertion, and finger grooves,
