Quantcast
Blocking barrel ports - THR
THR  

Go Back   THR > Tools and Technologies > Shotguns

Welcome to THR
You are currently viewing our site as a guest which gives you limited access to view most discussions, articles and access our other FREE features. By joining our free community you will have, access to post topics, communicate privately with other members (PM), respond to polls, and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!


If you have any problems with the registration process or your account login, please visit the help section.

Closed Thread
 
Thread Tools
Old March 18, 2014, 09:27 PM   #1
statman92
Member
 
 
Join Date: March 18, 2014
Posts: 6
Blocking barrel ports

I recently bought a Mossberg 500 special hunter, and because of the 20 ports on the barrel and the ill fit of the stock to me, it gives me a significant upper cut when I fire it ... like swollen face kind of upper cut. Rather than have the stock altered to fit me (which would cost more the gun), I was thinking of changing the barrel to one with no ports or blocking the ports on the existing barrel. The problem with the former is I can't find one available (thanks Obama), and turkey season is coming soon. SO, I was wondering if anyone has tried blocking the ports and if-so how?

This might be a stupid idea, but I was thinking of putting a pipe clamp over them just for the turkey hunt. Anyone tried that?
statman92 is offline  
Old March 18, 2014, 09:33 PM   #2
rcmodel
Member
 
 
Join Date: September 17, 2007
Location: Eastern KS
Posts: 46,766
If it kicks that hard with the ports?

It will kick harder without the ports.

The ports are there to supposedly reduce recoil somewhat.

But a pipe clamp on the muzzle?

Well, it would add weight in the right place to help hold the muzzle down!

rc
__________________
Don't put all your eggs in one basket.
Or all your primers in a glass jar!
rcmodel is online now  
Old March 18, 2014, 09:40 PM   #3
statman92
Member
 
 
Join Date: March 18, 2014
Posts: 6
The ports are on the top of the barrel so it pushes it down, rather violently, which makes the butt go up, equally violently. The shove to the rear doesn't bother me on shotguns, but that upper cut ... haven't been hit that hard since I boxed heavyweight. I have heard this isn't that uncommon with a stock that fits someone really badly, and that building up the stock will cure it. But, that would likely cost more than the gun (it was cheap).
statman92 is offline  
Old March 18, 2014, 10:10 PM   #4
rcmodel
Member
 
 
Join Date: September 17, 2007
Location: Eastern KS
Posts: 46,766
I don't think that is what's happening.
Recoil automatically seats the recoil pad in your shoulder, and due to the drop in the stock, the gun rotates upward from where it is placed in your shoulder pocket.

I have never fired a gun that defies the laws of motion like you describe.

How about a lace-on cheek pad?
http://www.cabelas.com/product/Tripl...Pad/706669.uts

http://www.blackhawk.com/product/Rif...ad,605,662.htm

rc
__________________
Don't put all your eggs in one basket.
Or all your primers in a glass jar!
rcmodel is online now  
Old March 18, 2014, 11:14 PM   #5
statman92
Member
 
 
Join Date: March 18, 2014
Posts: 6
Well, my question was about the experience people have had with blocking ports, not about physics. Have a nice day.
statman92 is offline  
Old March 19, 2014, 12:49 AM   #6
Russian Hammer
Member
 
 
Join Date: September 25, 2013
Posts: 66
Yes you can block the ports, some muzzle brakes even have a built in piece allowing you to do so, that said I think rcmodel is trying to keep you from wasting time and money. Ported shotgun barrels are generally only marginally effective, and if you have found one that is so effective it pushes the gun down to the degree you claim, post a video showing it and I'll buy the barrel from you for a nice chunk of cash.
__________________
www.Vepr.org
Russian Hammer is offline  
Old March 19, 2014, 01:24 AM   #7
JSH1
Member
 
 
Join Date: June 12, 2013
Location: The Heart of Dixie
Posts: 349
There are 130 Mossberg 500 barrels on Ebay right now.
JSH1 is offline  
Old March 19, 2014, 08:43 AM   #8
oneounceload
Member
 
 
Join Date: April 24, 2008
Location: Hot and Humid FL
Posts: 12,658
It would be easier to buy a barrel without ports. Your ill-fitting stock is the culprit, not the ports, as there is not enough pressure generated in a shotgun for porting to do much, if anything. Getting the stock properly fitted is the correct way to go.
__________________
"Support our troops; we'll need them to overthrow our government"

"When the people fear the government, there is tyranny. When the government fears the people, there is liberty."
Thomas Jefferson
oneounceload is offline  
Old March 19, 2014, 08:48 AM   #9
PBR Streetgang
Member
 
 
Join Date: August 15, 2011
Posts: 327
Mossberg 500 barrels and different size stocks are available for a relatively inexpensive price. Do you need a longer or shorter stock?
PBR Streetgang is offline  
Old March 19, 2014, 08:50 AM   #10
jaguarxk120
Member
 
 
Join Date: December 30, 2011
Posts: 455
The ports are there mainly for looks and do nothing to reduce recoil.

Just buy a barrel off of ebay as others have suggested. If you sell the gun you can keep the extra barrel and sell it or put it on another 500.
jaguarxk120 is offline  
Old March 19, 2014, 09:14 AM   #11
ugaarguy
Moderator
 
 
Join Date: March 19, 2006
Posts: 9,505
Statman, there is no cost effective way to block the ports on a shotgun bbl. The most cost effective solution is to buy a bbl that isn't ported, and sell the ported bbl.
__________________
Please check out my knife reviews on my YouTube Channel.
ugaarguy is offline  
Old March 19, 2014, 09:58 AM   #12
19-3Ben
Member
 
 
Join Date: November 5, 2006
Location: CT
Posts: 4,319
Instead of buying a new barrel, since the porting probably isn't the issue here, but you mentioned several times that the stock doesn't fit you well.
Quote:
...ill fit of the stock to me.
Seems to me that getting a new stock may be in order. Forget having the current stock modified, as that costs a ton of money, as you mentioned. But replacement stocks, and even adjustable LOP stocks can be had for $75 or less. I'd try to find a stock that fits better. If you're getting that much movement in recoil, the stock may not be properly braced against your shoulder. A stock that adjusts to your desired LOP may fix that.
I might also add that a pistol grip stock may help, as it gives your shooting hand something to really grab onto and another point to absorb recoil.

Edit do add:

Perhaps something like this. Might be worth the $40 for the experiment.
__________________
"You only live once, but if you do it right, once is enough." Mae West
19-3Ben is offline  
Old March 19, 2014, 10:56 AM   #13
oneounceload
Member
 
 
Join Date: April 24, 2008
Location: Hot and Humid FL
Posts: 12,658
Getting an adjustable stock when the problem has yet to be determined can also wind up being a waste of money. One needs to know what is wrong before one can attempt to correct it. There is a LOT more to stock fit than using an adjustable LOP. Cast, drop at heel and drop at comb (what sounds like might be the culprits), toe in or out, pitch, type of grip, etc. all play into having a shotgun fit. The gun should fit YOU; you should not fit yourself to the gun.
__________________
"Support our troops; we'll need them to overthrow our government"

"When the people fear the government, there is tyranny. When the government fears the people, there is liberty."
Thomas Jefferson
oneounceload is offline  
Old March 19, 2014, 11:42 AM   #14
Sam Cade
Moderator
 
 
Join Date: September 9, 2005
Location: Rural Kentucky, surrounded by Amish
Posts: 4,302
In all seriousness, duct tape.


Wrap the ports with a towel and tightly cover with duct tape.

Shoot it a few times with the ports occluded thusly and tell us what the net result was.
__________________
Resolve to serve no more, and you are at once freed.-Étienne de La Boétie

Love THR? Help support it (and never see advertisements again) by becoming a Contributing Member.
http://www.thehighroad.org/payments.php
Sam Cade is online now  
Old March 19, 2014, 12:02 PM   #15
oneounceload
Member
 
 
Join Date: April 24, 2008
Location: Hot and Humid FL
Posts: 12,658
Besides a messy towel?
__________________
"Support our troops; we'll need them to overthrow our government"

"When the people fear the government, there is tyranny. When the government fears the people, there is liberty."
Thomas Jefferson
oneounceload is offline  
Old March 19, 2014, 12:10 PM   #16
wally247
Member
 
 
Join Date: March 13, 2011
Posts: 137
Yes you'll have a messy towel, but you'll either solve the problem or eliminate a variable.
wally247 is offline  
Old March 19, 2014, 12:34 PM   #17
oneounceload
Member
 
 
Join Date: April 24, 2008
Location: Hot and Humid FL
Posts: 12,658
That won't solve a problem; even duct tape applied directly will get blown off; the holes would need to be filled typically by some form of welding or similar and that would destroy the heat treatment of the barrel. It still does not address his ill-fitting stock
__________________
"Support our troops; we'll need them to overthrow our government"

"When the people fear the government, there is tyranny. When the government fears the people, there is liberty."
Thomas Jefferson
oneounceload is offline  
Old March 19, 2014, 12:39 PM   #18
WestKentucky
Member
 
 
Join Date: February 1, 2014
Posts: 591
Or sell the gun and buy one that fits. Seems that there is already bad blood towards the gun for some reason. Walmart sells shotguns pretty cheap. Sell one, buy another. For what you would pay for a barrel or a stock you could sell your gun, add the cash you would use to make you happy with this one and buy a brand new one. Mossberg maverick88 is cheap but it's still a 500. Rem870 isn't much more. Stevens, NEF, and other 12 ga pumps can be had for less. I'm not sure why were even talking about fancy stocks and new barrels.
WestKentucky is offline  
Old March 19, 2014, 02:17 PM   #19
jakk280rem
Member
 
 
Join Date: February 12, 2007
Location: Salem, OR
Posts: 1,086
I think Sam was just trying to get the OP to spend as little money as possible to learn a lesson in common sense and physics. He wasn't actually offering up a towel and duct tape as a fix for the guys problem.
__________________
"We are all of us carried along by a fiery zeal to recover our liberty; our arms cannot be wrested from our hands." - Cicero
jakk280rem is offline  
Old March 19, 2014, 03:09 PM   #20
JSH1
Member
 
 
Join Date: June 12, 2013
Location: The Heart of Dixie
Posts: 349
Covering the ports would prove that they aren't the problem. I would recommend a thin layer of metal like a soda can as the first layer and then cover with duct tape.

I suspect the OP is long gone. He signed off in post #5 and made it clear that he isn't interested in learning what is causing his problem
JSH1 is offline  
Old March 19, 2014, 06:34 PM   #21
Virginian
Member
 
 
Join Date: April 7, 2003
Location: Evangeline, Louisiana
Posts: 3,261
Metalized duct tape will work to cover the ports. A buddy used some to cover the ports on his Gold Sporting just to see if there was any noticeable effect and it worked for 100 rounds anyway. He did cover it with one wrap of black electrical tape so the color of the duct tape didn't mess him up. The pressure out there is pretty darned low.
__________________
What could have happened... did.

I would not trust Remington's dating service accuracy as far as I could throw my truck.
Virginian is offline  
Old March 19, 2014, 06:47 PM   #22
eastbank
Member
 
 
Join Date: July 30, 2009
Posts: 1,247
when the 94 AE winchester timber carbine first came out i bought one, thinking it would be a perfect heavy brush rifle with a short barrel(18") with ports in 444 marlin. i have shot the rifle exactly 15 times, 14 shots to sight it in and get use to the kick with good ear protection on and one shot to kill a six point buck. my ears were ringing all afternoon and it has been setting in my gun room ever since and i would have gotten rid of it but it has gone up in price, so i keep it. eastbank.
eastbank is offline  
Old March 19, 2014, 11:27 PM   #23
Sam Cade
Moderator
 
 
Join Date: September 9, 2005
Location: Rural Kentucky, surrounded by Amish
Posts: 4,302
Quote:
Originally Posted by jakk280rem
I think Sam was just trying to get the OP to spend as little money as possible to learn a lesson in common sense and physics.
Exactly.



Quote:
Originally Posted by Virginian View Post
The pressure out there is pretty darned low.
Boyle's law is a real joykiller sometimes.
__________________
Resolve to serve no more, and you are at once freed.-Étienne de La Boétie

Love THR? Help support it (and never see advertisements again) by becoming a Contributing Member.
http://www.thehighroad.org/payments.php
Sam Cade is online now  
Old March 19, 2014, 11:39 PM   #24
rcmodel
Member
 
 
Join Date: September 17, 2007
Location: Eastern KS
Posts: 46,766
Well, I once had a finger right next to a port on my 16" Marlin .44 Mag Guide-Gun while shooting out my truck window.

You only want to do that once I'm here to tell ya!

Of course .44 Mag muzzle pressure is much higher then 12ga shotgun muzzle pressure.

But there is something coming out of those shotgun ports, doing something, or they wouldn't waste money drilling them in $10,000 Perazzi Trap guns.

rc
__________________
Don't put all your eggs in one basket.
Or all your primers in a glass jar!

Last edited by rcmodel; March 19, 2014 at 11:46 PM.
rcmodel is online now  
Old March 20, 2014, 12:10 AM   #25
Sam Cade
Moderator
 
 
Join Date: September 9, 2005
Location: Rural Kentucky, surrounded by Amish
Posts: 4,302
Quote:
Originally Posted by rcmodel View Post
Of course .44 Mag muzzle pressure is much higher then 12ga shotgun muzzle pressure.
About three times the chamber pressure of a 12 gauge.

Remember that pressure in the bore increases exponentially
as barrel length decreases.

A long barreled shotgun just doesn't have much huff to work with.


Quote:
Originally Posted by rcmodel View Post
But there is something coming out of those shotgun ports, doing something, or they wouldn't waste money drilling them in $10,000 Perazzi Trap guns.
They do look cool.

I had the opportunity to shoot two DT10s last year that were twins other than one being ported.
I could not for the life of me tell any difference between the two.
__________________
Resolve to serve no more, and you are at once freed.-Étienne de La Boétie

Love THR? Help support it (and never see advertisements again) by becoming a Contributing Member.
http://www.thehighroad.org/payments.php

Last edited by Sam Cade; March 20, 2014 at 12:10 AM. Reason: Suffix fix. I blame public schools.
Sam Cade is online now  
Closed Thread


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 09:04 PM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
vBulletin Optimisation by vB Optimise.
This site, its contents, Shooting Reviews, and its contents are Copyright (c) 2010-2013 Firearms Forum, Inc.
IMPORTANT DISCLAIMER
Although The High Road has attempted to provide accurate information on the forum, The High Road assumes no responsibility for the accuracy of the information. All information is provided "as is" with all faults without warranty of any kind, either express or implied. Neither The High Road nor any of its directors, members, managers, employees, agents, vendors, or suppliers will be liable for any direct, indirect, general, bodily injury, compensatory, special, punitive, consequential, or incidental damages including, without limitation, lost profits or revenues, costs of replacement goods, loss or damage to data arising out of the use or inability to use this forum or any services associated with this forum, or damages from the use of or reliance on the information present on this forum, even if you have been advised of the possibility of such damages.