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Subsonic bad?

 
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  #8  
Old 03-19-2010, 04:15 AM
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Posts: 327
Re: Subsonic bad?

well, not all bullets are unstable as they go transonic, some are and some arnt... this has been proven many times. Read the jerry teo article shooting the .223 to a mile under MOA accuracy for more proof of this.

The only thing that makes them bad for shooting/hunting, is whether they have enough energy and expansion for the desired animal your hunting. As for paper punching, well it dont matter at all, so long as they are accurate. But faster and higher BC is better for less wind dope error.
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  #9  
Old 03-19-2010, 10:54 AM
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Re: Subsonic bad?

Not centerfire, but .22lr is a good case. Standard Velocity and some High Velocity will go below supersonic within 100 yds. Yet there are very accurate rounds at 100 yds, particularly Standard Velocity.

Look at the shape of a .22lr round. It has a round nose and is conical from the swagging to the base.

Last edited by topbrass; 03-19-2010 at 11:11 AM.
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  #10  
Old 03-19-2010, 02:32 PM
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Location: Sedalia, MO
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Re: Subsonic bad?

Topbrass,

A slight correction here; nearly all standard velocity 22 Long Rifle ammo is subsonic from the muzzle, and thereby avoids any transonic issues entirely. This is one of the reasons most standard velocity ammo tends to be more accurate than High Velocity fodder. This is also why you almost never see supersonic High Velocity ammo used in smallbore matches. Nasty things happen when a bullet goes transonic, but as has already been pointed out here, some bullets handle this better than others.

Kevin Thomas
Lapua USA
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  #11  
Old 03-19-2010, 10:16 PM
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Re: Subsonic bad?

I stand corrected.

I guess there is no standard for standard velocity labeling since some are supersonic on their reported muzzle velocities, like Aguila SV 40gr RN at 1135 fps.

Or maybe I dont know what the speed of sound is. 1125 fps at 68 degrees in dry air?
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  #12  
Old 08-10-2012, 11:29 PM
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Join Date: Jan 2011
Posts: 53
Re: Subsonic bad?

Here we go again. I don't think the bullet changes flight characteristics that much. But without the equipment to do the testing can't prove or disprove.but them boy's in afganaistan could probably could shed somelighton it.the 7pm rem mag works really well at 1000yds on game one elk @ 1024yds afew between 6@800 yds. It's about shot placement. Personal preference Berger bullets.goodshooting@good hunting 1300 meters
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  #13  
Old 08-10-2012, 11:43 PM
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Re: Subsonic bad?

Here we go again?

This thread was dead two and a half years ago, before you found this place.
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  #14  
Old 08-11-2012, 09:03 AM
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Re: Subsonic bad?

why ?
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