Heat-treated blued-steel construction
Follower for smooth chamber loading
Lock-plate & base-plate for consistency
Proprietary DuPont Zytel based polymer features
Spring wound from Chrome-silicone wire
The Sig Sauer P238 Blue-Plated Steel Magazine from ProMag is constructed from heat-treated blue-plated steel for long-term durability and frequent use. The magazine is equipped with a follower, lock-plate, and base-plate for smooth chamber loading and consistent shooting. These enhanced features are molded from a proprietary DuPont Zytel based black polymer for durable, long-term use. The Sig Sauer P238 Blue-Plated Steel Magazine utilizes a spring wound from Chrome-silicon wire and is heat-treated for strength and reliability. Made in the USA.