The patented uni-directional graphite carbon fiber construction dissipates 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
Magnum Research Barrel, 22LR, 16.5″ Carbon Barrel, Black, 1/2 x 28Threaded Muzzle, For 10/22 Rugers ABAR1022GT