Quote:
Originally Posted by TinMan
As I recall, some of the early failures involved with semi-autos in 17HMR stemmed from very dirty chambers, which made the rounds fire slightly out of battery. Maybe a bit of headspace issues also.
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I concur, based on the case neck to shoulder profile not being sharp at the shoulder and body juncture. This would actually indicate that the weapon fires without the bolt fully locked and down which possibly would cause what we see here.