ProMag P320 Magazine – 9mm, 20-Round, Blued

The ProMag P320 magazine is a 20-round replacement magazine designed for use with Sig Sauer P320 9mm pistols. Constructed with a heat-treated steel body and black oxide finish, it features an injection-molded follower and a spring formed from heat-treated chrome silicon wire. ProMag manufactures these magazines in the USA and backs them with a lifetime guarantee against manufacturer’s defects. This magazine is intended for reliable feeding in range, duty, and everyday carry contexts where a higher-capacity option is required.

Key Specifications

• The magazine capacity is 20 rounds.
• The caliber is 9mm.
• Compatibility is listed as Sig P320 pistols.
• The magazine body is constructed of heat-treated steel with a black oxide finish.
• The finish is specified as Blued.
• The magazine follower is injection-molded.
• The spring is formed from heat-treated chrome silicon wire.
• This product is made in the USA.

Durable, straightforward, and built to ProMag’s quality standards, this 20-round P320 magazine offers a practical option for shooters seeking additional capacity and dependable feeding. Its heat-treated steel construction and treated internals are intended to deliver consistent performance for range use, duty applications, and lawful daily carry.