brought home a t99 an ol'boy spent hours and hours sporterizing, did a very good job. got the bolt polished like crome, did a great blueing job.
When he got ready to shoot a 7.7 round will only chamber half way. thought it had a part of a case but now i think it's an insert. so now i'm trying to figure out what he's got
it's around 1.3" from where i think the rim should be the the base of the shoulder. the only thing in my book is the 30 herrett but it would not work, i think it's to short and the rim