Sig Sauer P365 OEM Magazine Features This extended replacement or spare magazine is compatible with your Sig Sauer P365 Micro Compact P365X P365XL. It includes an additional floor plate to accommodate the X and XL models. Sig Sauer P365 OEM Magazine Specifications Brand: Sig Sauer Caliber: 9mm Luger Model: OEM Magazine Color: Blued Material: Metal Capacity: 15rd Firearm Fit: Sig P365X Style: Extended Includes: Floor Plate