ProMag 20rd Blued Steel Magazine – Sig P320 9mm

The ProMag P320 20-round blued steel magazine is a factory-compatible replacement magazine designed for Sig Sauer P320 pistols chambered in 9mm. Constructed with a heat-treated steel body and black oxide finish, this magazine uses an injection-molded follower and a heat-treated chrome silicon spring. Manufactured in the USA and backed by a lifetime guarantee against manufacturer defects, it is intended for range use, training, and as a serviceable spare.

Key Specifications

• Holds 20 rounds.
• Compatible with Sig Sauer P320 pistols chambered in 9mm.
• Magazine body constructed of heat-treated steel with a black oxide finish.
• Uses an injection-molded magazine follower.
• Magazine spring formed from heat-treated chrome silicon wire.
• Finish listed as blued with a black appearance.
• Made in the USA.
• Product type: pistol magazine.

Built to straightforward, serviceable standards and backed by a lifetime guarantee, this ProMag magazine provides a reliable spare or replacement for shooters who value consistent feeding and durable construction. Its steel body and heat-treated components favor longevity and dependable operation in regular range and training use.