ProMag Ruger Mini-14 40-Round Magazine .223 Rem/5.56

The ProMag 40-round hybrid magazine provides extended-capacity feeding for Ruger Mini-14 rifles chambered in .223 Rem / 5.56 NATO. The design pairs a DuPont Zytel-based polymer lower housing with a heat-treated steel upper for a balance of durability and weight savings. The magazine uses a heat-treated chrome silicon wire spring and an injection-molded follower to support consistent feeding. Made in the USA and backed by ProMag’s lifetime guarantee against manufacturer defects.

Key Specifications

• The magazine holds 40 rounds.
• Compatible with Ruger Mini-14 rifles.
• Chambering: .223 Rem / 5.56 NATO.
• The magazine body is constructed of steel & polymer.
• The finish is black.
• The spring is formed from heat-treated chrome silicon wire.
• The follower is injection molded.
• Dimensions: 1.25 x 2.70 x 9.50 inches.
• Manufactured in the USA and backed by a lifetime guarantee against manufacturer defects.

This magazine is a practical option for owners of Ruger Mini-14 rifles who seek higher capacity for range sessions and extended-use scenarios. Its hybrid construction and attention to feeding components aim to deliver dependable operation and long service life.