ProMag SIG P320 Compact 9mm 15rd Blued Steel Magazine

The ProMag SIG P320 Compact magazine is a 15-round replacement magazine designed for the Sig Sauer P320 Compact in 9mm. It features a heat-treated steel magazine body and a corrosion-resistant surface treatment reported as blued/black oxide. The magazine includes an injection-molded follower and a heat-treated spring for consistent feeding; it is made in the USA.

Key Specifications

• The capacity is 15 rounds.
• Compatible caliber is 9mm Luger (9x19, 9mm Parabellum).
• The magazine body is constructed of heat-treated steel.
• The finish is reported as blued and is also described with a black oxide treatment.
• The follower is an injection-molded magazine follower.
• The spring is formed from heat-treated chrome silicone wire.
• Designed to fit Sig Sauer P320 Compact 9mm pistols.
• Country of manufacture: Made in USA.
• Overall dimensions are listed as 1.65 x 2.70 x 5.65 (units as reported by source).
• Weight is reported as .25 (units as reported by source).

This ProMag magazine provides a straightforward, factory-compatible option for owners of the Sig Sauer P320 Compact who need an extra magazine for range use, training, or daily carry preparedness. Its steel construction and reported surface treatment deliver a durable feeding solution while the injection-molded follower and heat-treated spring support reliable operation under regular use.