Taran Tactical Innovations PMAG40 Rifle Magazine w/ FB Black/Flat Black 40. The PMAG 40 AR/M4 is a 40-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost competitive upgrade from the aluminum USGI. It features an impact resistant polymer construction easy to disassemble design with a flared floorplate for positive magazine extraction resilient stainless steel spring for corrosion resistance and an anti-tilt self-lubricating follower for increased reliability. Magpul Original Equipment (MOE) is a line of firearm accessories designed to provide a high-quality economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set but maintains Magpul engineering and material quality. Specifications for Taran Tactical Innovations PMAG40 Rifle Magazine w/ FB: Manufacturer: Taran Tactical Innovations Color: Black/Flat Black Magazine Capacity: 40 Round Gun Type: Rifle Features of Taran Tactical Innovations PMAG40 Rifle Magazine w/ FB Optimized for use with Colt-spec AR15/M4 firearms 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 NOTE: Not compatible with SA80 and HK416 or similar platforms. Package Contents: Taran Tactical Innovations PMAG40 Rifle Magazine w/ FB Basepad OEM Magazine Taran Tactical Innovations PMBP40-CM-00: PMAG40 Rifle Magazine w/ FB Black/Flat Black 40