Magpul

-30 round capacity-For 5.56x45 NATO (.223 Remington)-Next-generation impact & crush resistant polymer construction-Modified dimensions allow for wider compatibility with non Colt-specplatforms-Constant-curve internal geometry for smooth feeding-Anti-tilt, self-lubricating follower for increased reliability-Long life USGI-spec stainless steel spring-Over-travel insertion stop on the spine-Ribbed gripping surface & new aggressive front & rear texture for positive magazine handling-Paint pen dot matrix panels on the bottom of the body to allow for identification marking-Flared floorplate aids magazine handling & disassembly yet is slim enough for use with many double &triple pouches-Pop-off Impact/Dust Cover to minimize debris intrusion & for ammunition protection in storage & transit