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#181746 - 06/30/17 08:07 PM Barrel Porting
4MAG4
journeyman


Registered: 11/23/13
Posts: 58
Loc: Colorado

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Does anyone know as to how much recoil reduction one can expect from a ported barrel? Is it worth it from an accuracy standpoint? How bad is the noise level?

Thanks for any thoughts you may have.
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#181747 - 06/30/17 09:06 PM Re: Barrel Porting [Re: 4MAG4]
s4s4u
Shootist


Registered: 01/18/04
Posts: 9219
Loc: Northern MN

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What cal are you thinking of having ported?
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#181748 - 06/30/17 10:01 PM Re: Barrel Porting [Re: s4s4u]
4MAG4
journeyman


Registered: 11/23/13
Posts: 58
Loc: Colorado

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454 or 480


Edited by 4MAG4 (06/30/17 10:01 PM)
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#181750 - 06/30/17 10:20 PM Re: Barrel Porting [Re: 4MAG4]
FA834ME
enthusiast


Registered: 11/29/14
Posts: 200

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I wouldn't. More noise and dirt on your front sight. Had a .44 mag SBH done by Magna Port when Larry Kelly was killing everything on earth with a .44 mag. It did reduce muzzle flip but I wouldnt do it again

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#181757 - 07/01/17 01:36 PM Re: Barrel Porting [Re: 4MAG4]
Mech 8
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Registered: 08/30/11
Posts: 108
Loc: San Antonio, TX

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I have numerous Contender barrels and revolvers with various porting styles. I have determined that I prefer a non ported flip to a straight back push, with the push being more like catching a baseball bat in full swing with your bare hand. This of course is from the more powerful cartridges in my collection. I have also found that if you are putting some type of optics on the firearm, the powder residue will find it's way to the objective lens. This doesn't occur with the S-14 Contender barrels of course, but did occur with my S&W 629 Stealth, and several others with 5 to 7.5 inch barrels. While we're on the subject of porting, I would like to bring up a theory that I have about cast bullet accuracy in relation to porting. When shooting plain base or bevel base lead bullets through a Mag-na-ported barrel, the unsupported area of the bullets base gets flame/pressure cut and creates an unbalanced bullet. I suspect this due to working with a FA 83 in 475 Linebaugh, that has a 2 port MNP located near the front sight, and the base develops a lead build up after several rounds with plain base bullets. The accuracy of the plain/bevel based bullets I have tried has never been as good as gas checked or jacketed bullets. Anybody else experience a similar situation?

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#181759 - 07/01/17 04:46 PM Re: Barrel Porting [Re: Mech 8]
billa
addict


Registered: 02/12/05
Posts: 556
Loc: Central PA

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I have never been a fan of ported barrels. I have owned and shot just about all brands and lengths of 44 Magnums and several big boomer Contenders 358 JDJ, 45-70, 444, etc. 2 years ago I got my first ported revolver S&W 460XVR. Love the gun - hate the muzzle blast. I made a plug to press into the port to eliminate it. It really did very little or nothing at all to affect the recoil. I like it better without the port.
As had been said by the others, ports are noisy and dirty. Hunting guides hate them due to the side blast.
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#181763 - 07/01/17 11:29 PM Re: Barrel Porting [Re: billa]
karl
enthusiast


Registered: 01/12/15
Posts: 396
Loc: Minnesota

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 Originally Posted By: billa
Hunting guides hate them due to the side blast.

So do the Inconsiderate shooters next to me at the range with their braked AR and no brass catcher.

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#181768 - 07/02/17 09:21 AM Re: Barrel Porting [Re: karl]
4MAG4
journeyman


Registered: 11/23/13
Posts: 58
Loc: Colorado

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Thanks for the feedback.
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"Safety is something that happens between your ears, not something you hold in your hands."

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#181880 - 07/07/17 10:44 PM Re: Barrel Porting [Re: 4MAG4]
TN Lone Wolf
Shooting Master


Registered: 09/20/13
Posts: 3797
Loc: Martin, Tennessee

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X2 on the muzzle blast. It doesn't hurt to double up your hearing protection.
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#181915 - 07/08/17 02:47 PM Re: Barrel Porting [Re: TN Lone Wolf]
junebug
Pooh-Bah


Registered: 10/26/09
Posts: 1915
Loc: Bardstown ,Ky

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Depending on the brake you can tame them down a bunch.Look for some of Ernie Bishops videos on You Tube where he is using rifle scopes on some real thumpers. They do make the gun very loud.I have a Encore in 30-06 that I will not shoot again untill I get it braked.Bruised my thumb from lifeline to tip. Just NEVER shoot a braked gun without plugs or muffs.I hunt with Electronic muffs and have never felt hindered by them.They are softer shooting so that helps in the accuracy department.


Edited by junebug (07/08/17 02:50 PM)
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