ProMag COL19 5rd AR-15 Magazine – .223/5.56, Blued Steel

The ProMag COL19 is a compact, 5-round detachable magazine engineered for AR-15 rifles chambered in .223 Rem/5.56x45mm. Its body uses heat-treated steel for durability and field serviceability, and the feed system pairs a precision-molded polymer follower with a chrome-silicon wire spring for consistent feeding. The magazine is offered as a spare or replacement for AR-15 type rifles and is manufactured in the United States.

Key Specifications

• The magazine holds 5 rounds.
• Chambering compatibility is .223 Rem/5.56 NATO.
• The body material is steel.
• The feed spring is made from chrome-silicon wire.
• The follower is a precision-molded polymer design.
• The product is intended for AR-15 type firearms.
• The listed model designation is Standard (COL19).
• Dimensions are listed as 2.10 x 4.10 x 9.15 inches.
• The magazine is made in the USA.

The COL19 offers a low-capacity, durable magazine option for users who need a reliable spare or replacement for AR-15 platforms chambered in .223/5.56. Its steel construction, proven spring design, and polymer follower provide straightforward, dependable function for range use, training, or maintenance of legacy configurations.