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#6133125 - 01/12/16 08:05 PM 20 inch vs 22 inch .243
aggiegolfer09 Offline
Woodsman

Registered: 12/21/14
Posts: 141
thinking about cutting down my .243 2 inches to make it a little easier to carry around. Also I will have my suppressor on it at times.

Will i lose much velocity? Also I read that it will make it quite a bit louder. Will there be much difference?

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#6133132 - 01/12/16 08:06 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
bo323 Offline
Tracker

Registered: 09/24/11
Posts: 706
Loc: Snyder, tx
2 inches shouldn't make much of a difference. I'd guess you will lose around 50-75 fps.

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#6133167 - 01/12/16 08:24 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
Tff caribou Offline
Veteran Tracker

Registered: 08/27/12
Posts: 2996
Loc: Watauga, TX
Ive got a barrel at the Smith right now. .308 going from 24 down to 16 to make it handier in the blind. The consensus I got from guys smarter than me, is for a hunting rifle shooting under 300 yards it won't make a noticeable difference.
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#6133185 - 01/12/16 08:35 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
TexFlip Offline
THF Trophy Hunter

Registered: 08/18/12
Posts: 8633
Loc: Harris County
2 inches won't be enough velocity loss to worry about. If you put the suppressor on it, it's likely to gain back anything you lose.

It's the same price to cut 6" as 2"....just saying.
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#6133216 - 01/12/16 08:57 PM Re: 20 inch vs 22 inch .243 [Re: TexFlip]
Tff caribou Offline
Veteran Tracker

Registered: 08/27/12
Posts: 2996
Loc: Watauga, TX
Originally Posted By: TexFlip
2 inches won't be enough velocity loss to worry about. If you put the suppressor on it, it's likely to gain back anything you lose.

It's the same price to cut 6" as 2"....just saying.


Yep.
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The very atmosphere of firearms anywhere and everywhere restrains evil interference. -George Washington

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#6133249 - 01/12/16 09:14 PM Re: 20 inch vs 22 inch .243 [Re: Tff caribou]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: Tff caribou
Originally Posted By: TexFlip
2 inches won't be enough velocity loss to worry about. If you put the suppressor on it, it's likely to gain back anything you lose.

It's the same price to cut 6" as 2"....just saying.


Yep.


Yup again.
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#6133266 - 01/12/16 09:20 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
Tff caribou Offline
Veteran Tracker

Registered: 08/27/12
Posts: 2996
Loc: Watauga, TX
Can't wait to get my shorty little barrel back from Alamo. Should be any day now.
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The very atmosphere of firearms anywhere and everywhere restrains evil interference. -George Washington

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#6133267 - 01/12/16 09:20 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
aggiegolfer09 Offline
Woodsman

Registered: 12/21/14
Posts: 141
So should i cut it down more? maybe to 18?

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#6133275 - 01/12/16 09:23 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
Tff caribou Offline
Veteran Tracker

Registered: 08/27/12
Posts: 2996
Loc: Watauga, TX
That's personal preference. In my situation, my needs from the rifle are equally met with a 16" barrel as 24" barrel, so I didn't have any reason to not cut it as short as legally possible. The handiness was my #1 priority.

If you want/need the extra velocity, it might not be the best option for you. In my case,I was more than willing to lose 200fps.
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The very atmosphere of firearms anywhere and everywhere restrains evil interference. -George Washington

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#6133316 - 01/12/16 09:46 PM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: aggiegolfer09
So should i cut it down more? maybe to 18?


20-25 fps loss per inch cut off the barrel. A .243 is already fast. Personal preference.

I cut down my 7mm-08 to 20", since it was halfway between 24" and 16". I figured it was a good compromise between MV and portability. I'm very happy with the decision.
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#6133571 - 01/13/16 08:16 AM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
MacDaddy21 Offline
Pro Tracker

Registered: 08/19/11
Posts: 1613
Loc: CO
I've done a lot of hunting with a model 7 .243 chopped to 18". Man that was a sweet little rifle.

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#6133591 - 01/13/16 08:40 AM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
JTPinTX Offline
Woodsman

Registered: 04/01/15
Posts: 182
Loc: TX Panhandle
I bought a 243 at Thanksgiving as my new coyote rifle. Shot 10 rounds of factory loads just to make sure there wasn't a problem with the rifle, then sent it to Morgan Ritchie. He chopped it from 24" to 21" and threaded it. It has lost some speed, no doubt. 243 is pretty overbore, and the more overbore a cartridge is the more speed you lose per inch. 308 doesn't lose as much as a Creedmoor, Creedmoor doesn't lose as much as a 22-250. My Creed lost about 20 fps per inch when I cut it from 25 to 22. I'm not sure exactly how much the 243 has lost because I didn't chrono it before I chopped it. I figure more like 25-30 per inch, but I don't know that.

Anyways, all that is just gun gack. Real world it doesn't make much difference. Especially with a suppressor, the better handling will trump any MV loss. I probably should have cut mine at 20 not 21.

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#6133602 - 01/13/16 08:47 AM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
QuitShootinYoungBucks Offline
THF Trophy Hunter

Registered: 11/01/12
Posts: 6452
Loc: Lubbock, TX
I cut my .308 from 24" to 20" but I didn't want to lose too much for distance. But on a hunting rifle 18" would likely be plenty and if you are going to run it suppressed all the time you might consider going shorter than that even.
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#6133641 - 01/13/16 09:18 AM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9398
Loc: Lewisville, TX
20-25 fps per inch is about the normal lose/gain. With a 243, depending on which bullet you are shooting, that number could be a little more. Adding the suppressor will gain about 20-40 fps. So over all, the 2" of barrel lose will not be much. If you are going 2", might as well go 4" for a handier rifle.
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#6183001 - 02/14/16 11:26 AM Re: 20 inch vs 22 inch .243 [Re: aggiegolfer09]
aggiegolfer09 Offline
Woodsman

Registered: 12/21/14
Posts: 141
i cut off 4" and couldnt be happier. way easier to carry around

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