![PROMAG MAG AR15 223REM 5.56 20RD BLK POLYMER PROMAG MAG AR15 223REM 5.56 20RD BLK POLYMER](https://cdn11.bigcommerce.com/s-c6aiidxwtg/images/stencil/300x300/products/35652/43200/BHPMCOLA9B__15656.1738869157.jpg?c=1)
A 30-rd magazine for AR-15 / M16 rifles and carbines. The magazine body and follower are constructed of a proprietary DuPont� Zytel� based polymer to ensure a long service life. The springs are made from heat treated Chrome-silicon wire for increased reliability and smooth feeding. New and improved design!