Faxon Firearms 15B22A7R20LMQ5RNP3 22 ARC 20" Flame Fluted Nitride 416-R Stainless BarrelManufactured in house from gun barrel quality bar stock, the Match Series starts with 416 R in 5R rifling. 5R is a hybrid rifling, with lands opposite grooves and reduced sharp angles that reduces jacket deformation increasing velocity and easy cleaning. Chambered for 22 ARC, a high performance cartridge that the 5R rifling takes full advantage of. Each barrel is also fully and individually MPI tested for safety. After rigorous testing, the barrels