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AR15.COM
10/16/2006 8:34:18 AM EDT
not under ideal conditions.  30'F, sun behind backstop.  usp tactical, ccfa vortex, 200gr rainier rn/titegroup.  21ft off a stuffed butt pack, 10 rounds.  hard to tell the diff, ill do it again in the spring with some win 230gr fmj.

bare muzzle



vortex

10/16/2006 1:57:35 PM EDT
[#1]
I see almost no difference...
10/16/2006 9:58:26 PM EDT
[#2]
Was this with the titanium or steel vortex? It might be interesting to see a comparison between the two of them and the gun without.
10/17/2006 8:12:15 AM EDT
[#3]
steel version.  i dont think the ti would make a diff except in balance/weight.  conditions were less than ideal.  when i first tried the vortex it was at an indoor range, and the difference was noticable.  ill try to get more consistent results later.  
10/17/2006 9:00:38 AM EDT
[#4]
Why would the vortex increase accuracy?
10/17/2006 10:14:39 AM EDT
[#5]

Quoted:
Why would the vortex increase accuracy?


www.ccfa.com/FlashSuppressors.htm
10/17/2006 1:27:05 PM EDT
[#6]

Quoted:

Quoted:
Why would the vortex increase accuracy?


www.ccfa.com/FlashSuppressors.htm


Marketing gimmick!
10/17/2006 9:45:15 PM EDT
[#7]
height=8
Marketing gimmick!


+111111

The only possible way it could PHYSICALLY change accuracy (not in the gun, but in the shooter) is if the added weight is slowing the cycling time down (this has been stated, and is the reason CCF came out with the titanium version) ENOUGH so that it causes the recoil to hit later, adding to better follow up. or something like that.

"dirty air" or whatever that is, would not be effected by a flash hider. Its a flash hider, nothing more! If it helps you shoot better, then i hope it doesn't cause reliablity issues. If flash is a problem, get a can
10/18/2006 8:45:23 AM EDT
[#8]

Quoted:

Marketing gimmick!


+111111

The only possible way it could PHYSICALLY change accuracy (not in the gun, but in the shooter) is if the added weight is slowing the cycling time down (this has been stated, and is the reason CCF came out with the titanium version) ENOUGH so that it causes the recoil to hit later, adding to better follow up. or something like that.

"dirty air" or whatever that is, would not be effected by a flash hider. Its a flash hider, nothing more! If it helps you shoot better, then i hope it doesn't cause reliablity issues. If flash is a problem, get a can


I think they look cool, but that's about it...
10/20/2006 6:41:08 PM EDT
[#9]
Don't ask me why, but they do make a difference, at least on dog barrels.  On my Tacs I do not see that they would improve any because the guns are already shooting at my limit.  However, I got a USP 9SD out of the first batch that came over and many of those pistols were not up to par in the accuracy department.  I could not get groups smaller than 3 inches from a solid rest, 5 shots, at 25 yards with every single bullet weight and make that I could find.  When I put the Titanium (must be Ti with the 9mm) Vortex on the pistol all groups, regardless of bullet used, were cut in half.  Only with the Vortex on the pistol and using the heaviest bullet I could find in 9mm could the pistol break the two inch mark.  Now, picking up the Tactical .45 and shooting ammo it likes the same way, same range, 5 shots cut a ragged one-inch hole sans any muzzle device.  Even with the FS on the 9SD groups never got below the 1.75 inch mark but without the FS groups did not get below 3 inches, with many going 4 to 5 inches.  A real dog of a barrel but since I did not want a new barrel, and since I really don't give a rat's ass about a 9mm and only got the 9SD for the collection, the FS at least allows the gun to shoot to the best of its ability.  Thankfully later production 9SDs have the normal USP accuracy so whatever it was with the first batch HK seems to have that problem licked.
Conclusion, on a good barrel that is already more accurate than the shooter I don't see how they can help much, but on a barrel not up to par they most certainly can help.  How, don't know, don't care, but they do work.
10/20/2006 8:10:18 PM EDT
[#10]
hmm, barrel harmonics is a tricky subject.... some bolt action rifles do better with positve upward pressure on the bottom of the barrel.... others, if anything touches them, the accuracy degrades.

With the "tuning fork" kind of design, it could possibly be doing something to the harmonics, but im seriously doubtful it would be noticeable from a handgun at 25 yards. But who knows
10/20/2006 8:14:09 PM EDT
[#11]
Smith's patent claims they align exiting gases or some other BS.

I have found no effect on accuracy until the Vortex starts to blossom. Then accuracy goes to hell until eventually one of the tines breaks off.

Can you tell I don't like Vortexes?
10/20/2006 11:41:07 PM EDT
[#12]
IMO the best thing for accuracy on a barrel, is a muzzle crown, and HK's are very well done already.

It just seems like its too much like "we only made it for this reason... but wait! order now and it will do all this as well!" marketing schemes... Especially the whole "A Must For The Serious Shooter" thing on CCF's website. I still think the barrel threading is the coolest look for the mark23 and Tactical.
11/2/2006 8:39:10 AM EDT
[#13]
I've noticed no appreciable difference in accuracy with the vortex installed on my Mark 23.  Makes the Mk23 look more evil, though.
11/2/2006 8:41:55 AM EDT
[#14]
This would have to be tested from a ransom rest.

Why do y'all buy those things?  I seriously don't get it.  

11/6/2006 10:46:49 PM EDT
[#15]
If a suppressor isn't an option, are these worth it at all?
11/7/2006 3:51:30 AM EDT
[#16]

Quoted:
If a suppressor isn't an option, are these worth it at all?


I shot a USP with one on it, that somebody had at the range.

I believe these things are total snake oil.  If they improve accuracy, I didn't notice.  If they change the recoil impules, they don't do so noticably.  I think it's just a case of "hey, I have these threads, what can I hang off of them?"
11/7/2006 10:58:27 AM EDT
[#17]

Quoted:

Quoted:
If a suppressor isn't an option, are these worth it at all?


I shot a USP with one on it, that somebody had at the range.

I believe these things are total snake oil.  If they improve accuracy, I didn't notice.  If they change the recoil impules, they don't do so noticably.  I think it's just a case of "hey, I have these threads, what can I hang off of them?"


Does it work well as a flash hider atleast?
11/7/2006 11:14:28 AM EDT
[#18]

Quoted:
Does it work well as a flash hider atleast?


That I can't tell you; haven't used one in the dark.

I have, however, shot at night a lot and I have zero problems with flash blinding me, even with hot self defense loads.  The old "wisdom" that you get blinded by your own muzzle flash is definitely a myth, at least when shooting .40 or .45 out of 4" or 5" barrels.

I don't see utility for a flash suppressor to prevent somebody else from locating you -- we're talking about pistol ranges, after all.  They're going to know where you are.