Quote:
Originally Posted by s&wchad
“cylinder jumping lug”:
When S&W made the change from the pressed in steel frame lug to the integral frame lug, they didn’t make the ledge that limits rearward movement of the cylinder tall enough.
That’s my opinion, anyway.
It’s worse on alloy frame guns, where the harder steel or titanium cylinder contacts the aluminum alloy lug.
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I don't know how mine compare with others but my Sc/Al J-frames (340 & 360) have the least amount of overlap between the cylinder face & the frame lug.
My aluminum J-frame M638 seems a tad more generous in it's overlap. (All are new revolvers with little use/firing.)
Neither compare to the steel frame 66-8's overlap & solid contact between the two pieces though.
Going forward, as
s&wchad suggested, I think if owners of theses revolvers would take a bit of care when ejecting spent cases, & limit pounding on the ejector rod when doing combat drills, damage to the frame lug can be lessened/eliminated by contact with the cylinder.
That's what I plan on trying to do anyway.
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