Quote Originally Posted by rsterne View Post
How long is the .25 cal MRod barrel?.... what machining has been done to it (O-ring grooves, transfer ports, etc.) that would have to be removed.... ie how much is left?.... Lastly, do you know if they are choked?....

Bob
20" long, choked, machining for a transfer port/o-ring and a divot at the muzzle end outside the crown going about 0.030" in for what is likely a slight recess for the Marauder air stripper to rest in.