ProMag RM-20 AR-15 5.56/.223 20rd Polymer

The ProMag RM-20 is a 20-round detachable magazine built for AR-15 platforms chambered for .223 Rem / 5.56 NATO. The body is molded from DuPont Zytel polymer and features a patented anti-tilt roller follower and a chrome silicon wire spring. This magazine is intended as a reliable spare or replacement for range use, training, and general-purpose semi-automatic AR-15 applications. It is manufactured in the United States.

Key Specifications

• The caliber is .223 REM / 5.56 NATO.
• The capacity is 20 rounds.
• The construction material is DuPont Zytel Polymer.
• The finish is Black.
• The magazine type is Detachable.
• The model fit is AR-15.
• The follower is a patented anti-tilt roller follower.
• The spring is formed from heat treated chrome silicon wire.
• The model designation is Standard.
• Manufactured in the USA.

Durable polymer construction, a patented roller follower, and a robust chrome silicon spring combine to deliver consistent feeding and long service life. The RM-20 is a straightforward, dependable magazine choice for AR-15 owners who prioritize reliable performance during range sessions, training, and regular use.