EXDPM556 Features and Functions:
• Next Generation Long Glass Fiber Polymer
• Enhanced Strength & Durability
• Ribbed front and rear gripping surface
• Long-life USGI-spec stainless steel spring
• Four-way anti-tilt self-lubricating follower
• Flared floor plate
• Oversized bolt catch
• Paint Pen dot matrix
• Tool-less disassembly with double floor plate safety release tabs
Basically a homage to magpul pmags

Brand new - EXTREME DUTY model - Yours for £20 posted.