Here are two factory .22 Mrod barrels. Both functionally 100%. Blueing is worn at the grub screw location and breech end where it contacts the magazine/bolt. One barrel has a broken O-ring. Both of these barrels shot about 1" groups at 40 yards with most all Crosman pellets and Baraccuda's.
$20 shipped CONUS. Paypal OK. First "I'll take it" followed by e-mail gets it. firstname.lastname@example.org