Promag Standard, Pro Cola16b Mag Ar15 223 42rd

This replacement or spare magazine is compatible with your ar-15, m16.It is constructed of dupont zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire.Made in the usa.

Caliber: 5.56x45mm NATO
Capacity: 42rd
Finish: Black
Model: Standard
Material: DuPont Zytel Polymer
Type: Detachable
Model Fit: AR-15
Brand Fit: AR-15 Platform
Capacity: 42