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Old 09-20-2018, 11:21 PM
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Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar?  
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Default Does light weight "Match" ammo matter in a 1:10 16.5" HBar?

Does the so called 52 gr "Match" .223 ammo make much of a difference in a 1:10 twist 16.5" HBar barrel compared to 55 gr. FMJ ball?

In other words, at a twist rate of 1:10 in a relatively short, not match barrel, will the "match" ammo have more inherent accuracy based on its size, shape and weight?

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Last edited by bushmaster1313; 09-20-2018 at 11:25 PM.
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Old 09-20-2018, 11:45 PM
rockquarry rockquarry is online now
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It can make a significant difference in accuracy. If you're not a handloader and shooting only factory ammunition, consider trying several ammos, shooting five-shot, benchrested groups at 100 yards. That's the only way you can objectively compare accuracy.

I've tried a variety of the 55 grain FMJ bulk ammo. It will always go bang, but if you're interested in best accuracy, you'll be disappointed in most of that stuff.

Last edited by rockquarry; 09-21-2018 at 03:17 AM.
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Old 09-21-2018, 12:26 AM
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Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar?  
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A 1:10 twist will stabilize a 52 grain bullet OK. How well it groups vs. 55 grain FMJ bullets is something you will have to find out for yourself. Forget using 5-shot groups to judge grouping capability. They produce statistically meaningless results unless you fire a large number of them (like 20 or more). The only thing five-shot groups are good for is zeroing your scope. Using 10-shot groups, preferably no fewer than five of them, is far better. Average the ESs of all groups as your measurement of grouping capability. That is, if you are really serious about knowing it. Firing 50 rounds of each will tell the tale without any doubt.

Last edited by DWalt; 09-21-2018 at 03:22 PM.
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Old 09-30-2018, 07:04 PM
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Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar? Does light weight "Match" ammo matter in a 1:10 16.5" HBar?  
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with a 1:10 twist you might try a box of 60 grain bullets +/-
just to see what happens.

My 22/250 does well with a 52 gr with a 1:14 twist.

A few friends with a 1:9 twist use 70 grain bullets for long range match ammo.
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