ProMag SIGA16 15rd Extended Magazine for Sig Sauer P229

The ProMag SIGA16 is a 15-round extended replacement or spare magazine compatible with the Sig Sauer P229. Its heat-treated steel construction is paired with an injection-molded follower and a magazine spring formed from chrome-silicon wire. Made in the USA, it is suited to owners seeking an additional magazine for range use or storage.

Key Specifications

• The magazine has a 15-round capacity.
• It is designed for the Sig Sauer P229.
• The magazine uses a steel construction.
• The magazine body is made from heat-treated steel.
• The follower is injection molded.
• The spring is formed from chrome-silicon wire.
• The product type is an extended magazine.
• This magazine is made in the USA.

With its extended format, steel construction, and replacement-ready design, the ProMag SIGA16 provides a practical addition to a P229 magazine setup. Its documented components support dependable handling and straightforward integration into a well-organized range or equipment collection.