Constructed with a rugged metal shell construction with plastic internals With a 40 round capacity, this magazine provides you with plenty of ammunition to take down the opposition Compatible with WellFire MB4407 and MB4408 Flawless feed and fitmentSpecifications: Brand WellFire Build Rugged Polymer / Metal and Plastic Internals Magazine Capacity 40 rounds Compatibility Wellfire MB4407 / MB4407 / MB4408 Bolt Action Sniper Rifles Color Black 1X Magazine