ProMag COLA9B Standard Black DuPont Zytel Polymer Detachable 20rd 223 Rem 5.56x45mm NATO for AR15M16 UPC: 708279012907

A 20-round 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.br /br /Specifications:br /br /- Fits: AR-15 / M16 rifles and carbinesbr /- Caliber: 223-5.56 x 45mmbr /- Capacity: 20 Rounds br /- Material: Polymer br /- Color: Black