ProMag RM10 10-Round AR-15 Magazine 5.56/.223 Black Polymer

Key Specifications

The ProMag RM10 is a detachable 10-round magazine designed for AR-15 pattern rifles chambered in .223 Rem / 5.56 NATO. It uses a DuPont Zytel-based polymer body and a patented anti-tilt roller follower for consistent feeding. The magazine spring is formed from heat-treated chrome silicon wire and the unit is manufactured in the United States.

• The magazine capacity is 10 rounds.
• It is specified for .223 Rem / 5.56 NATO cartridges.
• The body material is a DuPont Zytel-based polymer.
• The follower is a patented anti-tilt roller follower.
• The spring is formed from heat-treated chrome silicon wire.
• The listed finish is black matte.
• Country of origin is listed as United States.
• Listed dimensions are 1.40 x 4.40 x 4.60.
• Listed weight is 0.2.

The RM10 provides a compact, regulation-friendly 10-round option for storage, range use, and configurations where reduced capacity is required. Its durable polymer construction, roller follower, and purpose-wound spring combine to offer a practical, low-profile spare magazine for AR-15 owners who prioritize reliable feeding and long-term storage.