I visited the range a while ago, taking with me my new Lb No.4 Mk.1*, with a #2 bolt head , a friend brought a sporterized SMLE and Ross. His SMLE gave me consistent 3 inch groups at 200 yards, as did the Ross. This was shooting a mix of Hornady and Winchester (I don't reload, yet). However, upon shooting my No.4, the brass got caught up in the chamber after firing. Upon closer inspection the case had been stretched drastically near the rim.

I say this is a silly question because I know it must be headspace, I fitted a #3 bolt head over an empty cartridge and it fit, although I don't have gauges to check anything for real. This is troubling me simply because:

A) the whole rifle is in very good shape, it's '50 dated, all numbers match, the bore is shiny, and the bluing is very good.

B) The bolt head is an obvious recycle, its bare metal, the markings have been punched off it, and when placed in any other bolt, it can be tightened nearly 1/4 of a turn more than others I've seen.

C) I really hope I didn't spend my money on a burned up pos wall hangar

I haven't fired it since, I'm kinda keeping my fingers crossed for your verdict fellas. Thanks in advance
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