I am purchasing a LBR receiver and will be sending my NOS USGI bolt and barrel to them for installation.
The barrel is marked MFG 26978 9345206 6-83 82472. It also has “NM” at the end of the muzzle and “P” towards the chamber. I think I have read most of the posts about NM barrels. It appears this is a General Dynamics / Saco barrel manufactured in June 1983 using drawing number 9345206, yes? Also I would like to know the twist rate.
I am wondering if LBR will have any particular problems installing this barrel? I read Gus Fishers post about these barrels having” very long” headspace. What do I need to tell LBR regarding this potential problem and can it be fixed. If I need a different barrel this is the time to get it.
Thanks for your help!