Warne MEG175/4BLK Magazine Extension Black Hardcoat Anodized 6061-T6 Aluminum for Glock 17/22 9mm Luger (+5), 40 S&W (+4) $49.99
Springfield Armory HC5913F OEM Stainless Detachable with Flat Dark Earth Sleeve 13rd for 9mm Luger Springfield Hellcat $39.99