ProMag SIG P220 Magazine .45 ACP Blued Steel

This detachable replacement magazine is intended for use with the SIG Sauer P220 chambered in .45 ACP. It is constructed from heat-treated blued steel and uses a polymer follower and base plate molded from a Zytel-based material. The spring is formed from chrome-silicon wire and heat-treated for durability. The component parts and finish make it suitable as a spare or service magazine for range and duty use.

Key Specifications

• The manufacturer is listed as ProMag.
• The magazine fits the SIG Sauer P220.
• The cartridge listed is .45 ACP.
• Construction uses heat-treated blued steel for the magazine body.
• The follower, lock-plate, and base-plate are molded from a DuPont Zytel-based black polymer.
• The spring is wound from chrome-silicon wire and heat-treated for strength.
• The model is cataloged as Standard.
• The item is listed as Made in the U.S.A.

Well-constructed and purpose-built, this ProMag magazine provides a serviceable spare for owners of SIG P220 pistols chambered in .45 ACP. Its steel body and treated spring are specified for consistent feeding and longevity, while the polymer components reduce wear on internal parts. For those who prefer to carry or use dedicated magazines for range work, maintenance, or backup, this unit offers straightforward compatibility and rugged materials suited to regular use.