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S&W Revolvers: 1980 to the Present All NON-PINNED Barrels, the L-Frames, and the New Era Revolvers


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Old 10-18-2012, 12:41 PM
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Default 627 V-Comp POA question

Very happy I found you folks. Noob here, so my apologies if this more appropriately belongs in the ammo forums, but I shot my new Performance Center 627 V-Comp for the first time yesterday, and loved it as far as handling, feel, recoil, and the incredibly slick and crisp trigger, but had one issue which seems like it must be ammo related, and even so, I’d appreciate if some of you could weigh in who are familiar w/627s.

Cheap, Rem UMC .38 target loads resulted in quarter-sized groups at 25 yards, and allowed me to do literally the best shooting I have ever done with any type of handgun at that distance, period. Without adjusting the sights at all, I was dead on, and the POA was the exact same as POI.

On the other hand, expensive .357 Golden Sabre had consistent POI of a full 18” lower than the .38, and likewise 18” lower than POA, at 25 yds. Obviously, the difference decreased as I brought the target closer, but we’re still talking 7-8” lower than .38, and POA, at only 7 yds. Bullet weights were about the same, but even if one bullet were 10 times heavier than another, you’d think gravity wouldn’t account for that extreme difference. .38 was FMC and of course, the Sabre was JHP, but still. . . .

Any ideas? Thanks in advance for any insight you folks can give me.
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Old 10-22-2012, 01:43 PM
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Bump.

Nobody?

I'm calling Remington first, before S&W. They may pass the buck, but maybe I'll learn something. If I do, I'll share.
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Old 10-22-2012, 08:07 PM
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Likely GS were leaving the barrel much sooner than the target loads.
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Old 10-22-2012, 08:37 PM
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The slower the loads the higher they go on target. It's the time in the barrel after the intial recoil which thrust the barrel upwards - a very well known phenomenon.
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Old 11-02-2012, 04:11 PM
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Called Big Green, and they were stumped, not as to a diff. in POI (nor would I be), but the AMOUNT of the difference. They allowed that for this big a difference, "some guns just don't like some loads."

I'm trying some other .357, target and defense, and some diff. bullet wts., and will report back as to what happens.
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Old 11-03-2012, 12:44 AM
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Try mixing up your ammo. Load 6 38's and 2 357's. I do this in my performance center 627 v comp. Before I close the cylinder, I give it a spin. This way I don't know when/where the 357's are.
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