ODIN Works +5 Magazine Base Smith & Wesson M&P9/40 Red

Odin Works Sig Sauer P320 Pistol Magazine Base - ACC-PMB-SS-320-BLK

Warne S&W M&P 9/40 Magazine Extension Red Capacity +5/9mm +4/.40

MAGNUM RESEARCH 40 SW 11rd Fast Action Black Magazine

ETS Smith & Wesson M&P 9mm 30-Round Extended Magazine - Red

GLOCK G17/34/45/47 Gen 5 9mm 17 Round Magazine - OD Green - Pistol Magazine

Warne S&W M&P 9/40 Magazine Extension Red +3 9mm +2 .40 Capacity

Warne S&W M&P 9/40 Magazine Extension Blue +5 Rounds 9mm +4 Rounds .40