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Porting a Trap Gun

13K views 82 replies 64 participants last post by  Twodogs  
#1 ·
Is there any real benefit in porting a single barrel trap gun? If so, what are the benefits in comfort and accuracy? How best to get a gun ported and the cost?
 
#2 ·
Porting suppose to lesson barrel rise/recoil. Have on most of mine ,wish didn’t. Don’t like the fouling, cleaning of the ports and really don’t like the flash when fired at night or in low light. Have been told there is also more blast/noise with porting, can’t attest to that as I’m already half deaf and wear pretty good hearing protection these days.
 
#7 ·
Porting suppose to lesson barrel rise/recoil. Have on most of mine ,wish didn’t. Don’t like the fouling, cleaning of the ports and really don’t like the flash when fired at night or in low light. Have been told there is also more blast/noise with porting, can’t attest to that as I’m already half deaf and wear pretty good hearing protection these days.
Yes, considerably more.
 
#10 ·
In addition, typically, shotgun pressures fall off well below 1,000 psi by the time the shot column gets past the porting, as can be seen in this graph;


Image


I don't believe that's enough pressure to make a noticeable difference when the gas exits the porting.

If there was a gun that I really wanted and the only option was that it was factory ported, I would buy it if, but it would not be a plus feature for me; I would not have any of mine ported that weren't.

My target grade Remington's, my 1984 Citori Grade I Trap and BT-99 are not ported, and will stay that way ;)
 
#16 ·
In addition, typically, shotgun pressures fall off well below 1,000 psi by the time the shot column gets past the porting, as can be seen in this graph;


View attachment 1403801

I don't believe that's enough pressure to make a noticeable difference when the gas exits the porting.

If there was a gun that I really wanted and the only option was that it was factory ported, I would buy it if, but it would not be a plus feature for me; I would not have any of mine ported that weren't.

My target grade Remington's, my 1984 Citori Grade I Trap and BT-99 are not ported, and will stay that way ;)
Thanks. This is very interesting and useful data...clearly indicates to me why there is no physical benefit and helps me better understand why I don't notice a difference in recoil reduction between my ported 30" Beretta 682 and the un-ported barrel. There is lots of good information and real world experience on this website.
 
#37 ·
You are right, there is no physical benefit, the benefits are all psychological. Nothing like spraying your squad mates with exhaust gases and other debris. As you can see by the above posts, it really pisses everybody off, and they start thinking about jerk squad mates and porting, which results in a few lost targets.
 
#18 ·
Back in the 80's it was considered mandatory if you wanted to be on the cutting edge of performance.Now I think it is largely considered Snake Oil
This helps explain why we see high-end target shotguns of the 1980's and 90s ported...today we don't see any, or at least I don't. That's why I posted my original question about benefits of porting....Based on comments and data above, I think "Snake Oil" says it all. Thanks
 
#27 ·
I have one ported gun. I am sensitive to recoil, and I notice no difference in recoil, But I do get less muzzle rise. Cleaning them really isn't a big deal for me. A nylon brush soaked in Hoppes and a wipe down inside and out seems to do it for me.

I wouldn't care one way or the other if the gun was ported if it was one I shot well.
 
#33 ·
It was supposed to be the thing to control barrel rise on large, heavy or magnum pistols, like the 44 Mag. Recovery for a second shot was supposed to be faster. Someone thought if worked well on pistols, it would work well on long guns.
 
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#35 ·
That's like drilling holes in a cup.
Totally useless and a waste of money.
Don't ruin a good barrel.
Have read many articles on this and the general Conesus was it is worthless, not to mention it devalues the gun at least for me. I will never buy a gun with ported barrels any more. Save your money. IMHO if you have to spend it, lengthen the forcing cones if not already done. Barrels were not meant to have holes in them except for the ones on each end.