2023年10月5日 · I've never seen an ejector that wasn't retained by a roll pin. The answer to when to change an ejector roll pin is every time you remove it. The answer to when you replace the extractor pin, if it's worn. Inspect for wear, ridges, bends and definitely replace if it gets loose, though in such a circumstance check the holes for egging as well.

2017年3月26日 · The ejector may be getting hung up in its tunnel. Once the case is extracted, the spring loaded ejector starts pushing the empty case away from the bolt face. If your ejector is hung up, you're not getting this separation and the case stays with the bolt all the way to the rear. So, take the bolt apart and clean it out/test for ejector function.

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2017年9月15日 · I use a spent case and an Irwin Quick Grip clamp to depress the spring and the correct pin punch to remove the ejector cross pin, and the same tools for reassembly but I also use the punch to align the ejector pin with the cross pin hole and as a …

2014年2月10日 · He finally removed the ejector, and found an unholy amount of crap in the channel, including foreign debris and brass shavings, which had seized the ejector spring. The round count on that rifle was well over 2000 rounds at the time, which is right at the start of the recommended cycle for replacing ejector springs.

2017年7月28日 · Seriously, you want a few oxygen molecules between the bolt and the top and inside of the ejector. If you're worried that the ejector is dragging on the bolt, use "poor man's Dyechem" (a Magic Marker) to color both surfaces of the ejector, then see if it gets scraped off. If it does, tweak in microns until you don't drag anymore.

2009年8月10日 · What you conceive as a ejector problem, may be in fact the spent case being dropped from the bolt face before the end of stroke when the ejector does it's work. Here, if you are running a standard extractor spring, add a #60 O-ring around the extractor spring to add some more testing tension to the extractor to confirm that the spent is not ...

2008年4月1日 · With the bolt carrier fully assembled, I removed the cotter pin , firing pin, cam pin and bolt from the carrier, I then punched out the ejector roll pin, removed the ejector and spring. I then reassembled the whole thing and my best time was 50 seconds and my worst time was 1 minute 15 seconds (cuz I dropped the cotter pin on the floor).

2012年4月13日 · I usually pull the ejectors at this time to primarily clean the ejector tunnel in the bolt and inspect ejector for cracks at the radiuses of its roll pin recess,at which time I replace the ejector spring and roll pin.That said I replace ejector and extractor springs as a set,especially if I use something like a XP extractor spring like from BCM.

2020年11月9日 · But again I saw ejector marks on most rounds. Primers look fine, no flattening, nothing loose. I then fired a bunch of new factory rounds (PPU 55 gr FMJBT / not their M193 clone) , and I found ejector marks on 2 out of 10. The rifle is a Windham 20" with Govt profile barrel 1/7. The PPU 55 stuff gives me around 3260 fps from this barrel.