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AR15.COM
5/9/2011 5:30:11 AM EDT
What purpose would be served by venting a 4 1/4" Commander length barrel?
5/9/2011 6:48:32 AM EDT
[#1]
reduce muzzle flip.

BTW, it's called a compensator
5/9/2011 7:05:41 AM EDT
[#2]
Quoted:
reduce muzzle flip.

BTW, it's called a compensator


What if the op whantted to port the barrel?

OP save your cash, Best way to make a stock gun not function is to add ports and not change anything.

5/9/2011 7:39:01 AM EDT
[#3]
true.  there is Magna-port.
5/9/2011 11:24:07 AM EDT
[#4]
Quoted:
true.  there is Magna-port.


Intended to do the same thing, reduce muzzle flip.

Can help with higher gas volume and pressure calibers, not so much with .45 ACP.
5/9/2011 5:00:17 PM EDT
[#5]
my mistake with the verbiage.

I am looking at a ported (previously called vented) Colt Commander
It has two holes in the barrel near the muzzle as well as the slide
The holes are small slots
Nothing has been added to the slide or barrel

I thought this would help with muzzle flip.  But how much is there with a Commander and 45 ACP?

What are the downsides with porting?
Does it mess up follow up shots?  What about at night?
5/9/2011 6:43:53 PM EDT
[#6]
SA used to sell what your asking about. they called it V something or other.

porting lower velocity, night blindness, louder, need to know where the top of the gun is pointing.

A proper grip will help a lot on gun control.

Done right porting will help, done wrong u got a paper weight.

I'd recommend against any type of porting on a CCW.

5/10/2011 5:55:10 AM EDT
[#7]
I have a Springfield V10.  Officers size, 5 ports on the 11 and 5 ports on the 1 Oclock.  It is less snappy than a standard Officers sized gun.  It is also TWICE as loud.  I've owned it for nearly 14 years and put maybe 300 rounds through it.  

I keep threatening to put a commander slide on it to get rid of the ports.
5/11/2011 11:34:50 AM EDT
[#8]
Quoted:
my mistake with the verbiage.

I am looking at a ported (previously called vented) Colt Commander
It has two holes in the barrel near the muzzle as well as the slide
The holes are small slots
Nothing has been added to the slide or barrel

I thought this would help with muzzle flip.  But how much is there with a Commander and 45 ACP?

What are the downsides with porting?
Does it mess up follow up shots?  What about at night?


There is a reason that the race guys shoot 9mm super.
Ports don't do much of anything for a .45 acp.