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#5580027 - 02/03/15 09:59 AM Good length for .243?
Gone to Texas Offline
Veteran Tracker

Registered: 07/05/13
Posts: 2639
Loc: Hurst
I am getting my .243 threaded for a suppressor, I figured I could get it cut down too.

Whats a good length for this round? Could I cut it down to 16.5" and still have decent velocity?

I want this as a more compact deer hunting rig. Longest shot I will take is probably 300 yards.
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#5580281 - 02/03/15 12:50 PM Re: Good length for .243? [Re: Gone to Texas]
QuitShootinYoungBucks Offline
THF Trophy Hunter

Registered: 11/01/12
Posts: 7575
Loc: Lubbock, TX
What rifle, and what barrel length does it currently have? Sounds like overall length is your target, is it a short or long gun now (think Model 7 vs Model 700)? Personally I wouldn't cut anything under 18", and depending on the suppressor you are looking at, you might even keep it at 20".

What does your smith recommend?
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#5580296 - 02/03/15 01:08 PM Re: Good length for .243? [Re: QuitShootinYoungBucks]
Gone to Texas Offline
Veteran Tracker

Registered: 07/05/13
Posts: 2639
Loc: Hurst
Originally Posted By: QuitShootinYoungBucks
What rifle, and what barrel length does it currently have? Sounds like overall length is your target, is it a short or long gun now (think Model 7 vs Model 700)? Personally I wouldn't cut anything under 18", and depending on the suppressor you are looking at, you might even keep it at 20".

What does your smith recommend?


Currently it is a 24" barrel Remington 700. I am going to put on a Silencerco Omega suppressor, adds about 7".
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#5580315 - 02/03/15 01:27 PM Re: Good length for .243? [Re: Gone to Texas]
jeffbird Offline


Registered: 03/09/09
Posts: 2154
Unless it will be dedicated to using a suppressor, 22" is a very handy length for hunting.

Shorter than that and muzzle blast is very unpleasant.

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#5580562 - 02/03/15 04:14 PM Re: Good length for .243? [Re: Gone to Texas]
Strongbad Offline
Bird Dog

Registered: 02/04/10
Posts: 447
I've got a couple of 243 carbines and they're both whitetail hammers. If I was cutting one down and putting a can on it, I wouldn't have any issue with an 18" barrel. They've got a little more fireball, but it's nothing that dramatic and the blast has never really been a big deal for me anyway.

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#5580789 - 02/03/15 06:33 PM Re: Good length for .243? [Re: Gone to Texas]
tannerlst Offline


Registered: 01/31/09
Posts: 5169
Loc: Dallas
My .243 is at 19" and is suppressed as well . If it's for hunting u want it about that short or else with the can it's gonna be a long beast . And don't worry about muzzle blast with a can


Edited by tannerlst (02/03/15 06:34 PM)

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#5589494 - 02/08/15 05:47 PM Re: Good length for .243? [Re: Gone to Texas]
crash700 Offline


Registered: 04/10/09
Posts: 1809
Loc: Deer Park , TX
This is just my opinion, but I would not cut it shorter than 20", which should still maintain quite a bit of your velocity. Thats just my opinion, hopefully someone who knows more about ballistics will chime in.
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#5589509 - 02/08/15 05:52 PM Re: Good length for .243? [Re: Gone to Texas]
kmon1 Online   content
junior

Registered: 09/27/06
Posts: 21545
Loc: Texas
Have had a couple Remington 788s with 18.5 inch barrels, they work but you are loosing velocity. The shorter you go the more you will loose per inch. If I ever get another 243 it will not be shorter barreled than 20 inches.
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