The patented uni-directional graphite carbon fiber construction Magnum Research's 10/22 barrels dissipate heat, so the barrel stays up to 43% cooler than steel barrels in a standard 500 round/20 minute test, with no change in zero.

The patented uni-directional graphite carbon fiber construction Magnum Research's 10/22 barrels dissipate heat, so the barrel stays up to 43% cooler than steel barrels in a standard 500 round/20 minute test, with no change in zero.