Constructed with a rugged metal shell construction with plastic internals This sniper rifle magazine is lightweight and takes seconds to load with a speedloader With a 30 round capacity, this magazine provides you with plenty of ammunition to take down the opposition Designed to be compatible with the Wellfire MB4416 and MB4417 sniper rifles 28 length outer barrel for maximum shooting accuracy and performance In the Box 1X Magazine Specifications: Brand WellFire Build Rugged Polymer / Metal and Plastic Internals Magazine Capacity 30 Rounds Outer Barrel Length 28 Compatibility WellFire MB4416 / MB4417 Bolt Action Sniper Rifles Length 46.3 Weight 8 lbs Color Black California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov