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Article Found While Reading Online Articles

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Post by Asa Yam 12/21/2020, 4:14 am

Seem to recall a post where the author mentioned "it might prove interesting to do a study of grooved vs. ungrooved bullets."  The linked article (written in 2017) shows one such effort, and may allow some conclusions to be drawn from it.  Enjoy!

Link:  https://www.ssusa.org/articles/2017/3/27/accuracy-of-lube-groove-vs-no-lube-groove-cast-bullets/?utm_source=newsletter&utm_medium=insider&utm_campaign=1220

Asa Yam

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Post by Lightfoot 12/21/2020, 5:33 pm

Really, it doesn't make a ton of difference.  There are recipes that can make either perform better or worse.  But if you forced me, I'd choose lube groove over nlg.
Lightfoot
Lightfoot

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Post by noylj 12/23/2020, 9:51 am

My observations:
I shoot Precision Bullets swaged and coated lead bullets and they have no lube groove.
My accuracy results from 9x19, 9x21, .38 Super, and .45 Auto are:
1) JHPs and commercial swaged lead bullets from Zero and Precision Delta
2) Commercial swaged and coated lead bullets (w/o lube groove
3) My cast bullets
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4) Commercial overly hard cast bullets and Hornady and Speer swaged bullets (this is also about where I expect any commercial cast bullets with any coating to fall, since they are still cast bullets with the same commercial constraints on production quality)
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add several more rows of periods
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5) plated bullets of any style

If I had a life-or-death critical match, it would be with JHPs. I would enter most any match with any of the first three sets of bullets and feel good.

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