Author Topic: M&P point of impact change  (Read 540 times)

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Offline JumpinJackFlash

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M&P point of impact change
« on: January 31, 2010, 05:05:07 AM »
I took a new Smith and Wesson M&P 15-22 out yesterday and shot it with various ammunition. At first the group was real low on the paper so adjusted the aperture sight and brought it up. I noticed at the end of the session that the group had crept up the paper a couple of inches. At one time I noticed that the long clip was contacting the hood of the truck and that seemed to contribute to point-of-impact change.

Any ideas on this?  The light did change while I was shooting.

I'm wondering if this just might be part of the break-in process. Perhaps there was some lubricant in the barrel, I cleaned the chamber and chamber face before taking it out and they were dirty.

I was shooting over sandbags. I think the next time I'll shoot off my trusty ironing board with my front bag and see what happens.

Offline Darrell Davis

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Re: M&P point of impact change
« Reply #1 on: February 04, 2010, 11:48:22 AM »
Well Jacko,  I'd guess it is just some Ol'tin can labels stuck somewhere if the bedding.

But then what can you expect from a B&C?

Keep em coming!

CDOC
300 Winmag

Offline JumpinJackFlash

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Re: M&P point of impact change
« Reply #2 on: February 06, 2010, 11:01:02 AM »
See the email I sent you a few minutes ago. I figure if I had made the temporary hood from tape last week she might have been a whole lot more consistent.

Anyway, it sure took a while for that rifle to settle down and shoot after cleaning the bore!! It was all over the place for a while. I finally settled on a six O'clock hold on a good old black 25 yd. target, some of these brightly colored ones don't work too  well. Trigger control seems real critical here, too, as it doesn't have the great trigger the Savage does.

For sure not having a glare on that front sight made all the difference.