MR MAGNUM LT 10/22 BBL 22LR 16.5" TD

Magnum Research Barrel, 22LR, 16.5" Carbon Threaded Barrel, 1/2X28 Thread Pitch, Black, For all Ruger 10/22 Takedown Models RTBAR16GT

The 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