Magpul Gen 2 Magazine.
• Impact and crush resistant all polymer body
• Constant-curve internal geometry for smooth feeding
• Anti-tilt, self-lubricating follower for increased reliability
• Long life stainless steel spring
• Ribbed gripping surface and aggressive front and 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 and disassembly yet is slim enough for use with most pouches