It is a Jarrett barrel and here is the load they developed for it :
52grs. Shilen DGA Match HP, 33.5 grs. R10X, WLR Primer, LOA 2.470, RP brass 22-250 Rem.
WTS Jarrett Beanfield Rifle built on 700 action in 22/250 with Leupold VX-III 6-18x40 and Talley rings and bases.Approx 500 rounds down pipe. Have load data from Jarrett. 3000.00 without scope 3400.00 with.
i do not have the load info from Jarrett, but shots great with factory 55 gr ammo. it has 23" barrell with 2.5" muzzle brake with 500 rounds down pipe. the scope is included it is a 6.5-20x40.
Looking to sale or trade Jarrett Rifle in 22-250. Built on Remington action and in great shape. Interested in simliar rifles in deer calibers or 4000.00