Magpul 30 Round Black Maglevel Pmag, Window Mag210

-Impact and crush resistant polymer
construction

-Constant-curve internal geometry
for smooth feeding

-Anti-tilt, self-lubricating
follower for increased reliability

-USGI-spec stainless steel spring
for corrosion resistance and field compatibility

-Textured gripping surface and
flared floorplate for positive magazine handling and easy disassembly