Lightweight, 30 round 5.56x45 NATO (.223 Rem.) AR15/M16 compatible magazine. Next-generation impact and crush resistant polymer construction. Modified dimensions allow for wider compatibility with non Colt-spec 'STANAG 4179' platforms. Constant-curve internal geometry for smooth feeding. Anti-tilt, self-lubricating follower for increased reliability. Black-oxide coated USGI-spec SS spring. Anti-glare translucent MagLevel™ windows on both sides with painted indicator. Over-travel insertion stop on the spine. Ribbed gripping surface, aggressive front and rear texture. Paint pen dot matrix panels on bottom to allow ID marking. Flared floorplate aids handling and disassembly. Pop-off Impact/Dust Cover to minimize debris intrusion and for additional protection