Sig Sauer P320/M17 9mm 21rd Extended Magazine Coyote

This is a factory replacement or spare extended magazine designed for Sig Sauer P320 full-size pistols and M17/M18 variants. It provides increased capacity in a coyote (flat dark earth) finish and is intended for use with 9mm Luger centerfire pistols. The magazine fits full-size P320 platforms and compatible Sig models such as the M17 and M18.

Key Specifications

• The capacity is 21 rounds.
• The cartridge is 9mm Luger.
• Compatible with P320 (full-size), M17 and M18 Sig Sauer pistols.
• The exterior finish is coyote / flat dark earth.
• The primary construction materials are listed as steel / polymer.
• The product style is extended magazine.
• The listed weight is 0.35 lb.
• The package contains 1 unit per box.
• The overall listed dimensions are 1.90 x 4.20 x 9.60 inches.

This extended magazine delivers reliable feeding and increased capacity for training, competition, or duty applications where full-size P320 ergonomics are required. Its coyote finish matches modern equipment palettes and the magazine is built to Sig Sauer factory fit standards to ensure consistent performance in compatible platforms.