The PAST Super Mag Plus Shield is designed to provide the highest protection level of any PAST Shield. With the maximum amount of absorbing protection, shooting even the biggest calibers is tolerable. The comfortable leather cover conforms to the body while the energy-absorbing foam insert dramatically reduces felt recoil. FeaturesAmbidextrousContoured to fit the shooter's body (over the shoulder and onto the arm design protects more of your peck, shoulder, and bicep for benchrest shooting with larger calibers).Gives the most protection during the 2 millisecond of peak recoil.