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Old 08-23-2007, 07:24 AM   #1
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Flash Hider vs: Muzzle Brake

Since I live in the gun-law-ridiculous state of California . . . my M1A has the official CA-legal appendage on the muzzle.

I've never had the opportunity to compare what 'you' can have with mine, side-by-side. What exactly are the differences? Is the muzzle flash really different between the two? What about muzzle 'jump'?

DON
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Old 08-23-2007, 07:32 AM   #2
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I couldn't tell any difference when I switched. I do hear a lot of moaning and wailing from some of the delicate types that the SA Inc muzzle brake is too loud.

I'm leaving the state in the next few months. If you are looking for a brake, I've got one (the finish is somewhat worn though).

Ty
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Old 08-23-2007, 08:17 AM   #3
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http://www.calguns.net is a good place for all Cali specific gun stuff (i.e. getting and building a legal AR, etc).
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Old 08-23-2007, 03:37 PM   #4
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I have shot with the SA muzzlebrake, Norinco fake flashhider and a national match flash suppressor. To tell ya the truth I could'nt tell a whole lot of differance. The brake is loud and does get complaints from time to time. Reduce's recoil some but it ain't "Oh my god that shoot's like rimfire" Me I have been going back and forth. I'll probably just go with a smith vortex. Just cause it look's cool and I like the company
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Old 08-24-2007, 05:58 PM   #5
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The muzzle brake is more effectivly reduces muzzle rise and flip...the GI unit is better at reducing flash. I'm no longer a soldier so I don't understand all the hype in reducing flash When I was a young private I even asked a LTC during a weekend safety briefing after he asked for questions...I said 'why should I worry about my muzzles flash when the bang can be heard for several hundred yards?' he never answered but turned me over to the Bn CSM. If you ever want to feel like you would rather die than breathe another breath get yourself smoked by a Command Sergeant Major in any Infantry Batallion that exists. The real messed up part for me is I was half his age and he performed each excercise in the smoking with me...he then invited me to chow with a 'loving' CSM arm draped upon my shoulder. We ate good...the portions are 3 times larger when you are the guest of the CSM...then he wanted to go on a two mile run to 'relax'. I couldn't turn down that invite and figured I'd smoke him now. He threw up first which surprised me...after he puked he picked up a mind fockering pace until I spewed...he is still my friend to this day Sorry for the long post I was just remembering
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Old 08-24-2007, 10:34 PM   #6
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Some friends and I tested the USGI, NM, SEI and Entreprise Arms flash suppressors and SA, Inc. muzzle brake. The difference is noticeable but nothing compared to an AR15 with a 20 " barrel without a muzzle attachment.
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Old 08-25-2007, 08:00 PM   #7
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"...turned me over to the Bn CSM..." Didn't anybody tell you that privates don't speak to light colonels unless spoken to and then it's only to say, yes or no sir? Ditto for Lt's. Second or otherwise.
A flash hider usually just spreads the muzzle flash. It doesn't hide the flash much when seen from the front. It's real purpose is to reduce the flash for the shooter in low light conditions.
A muzzle brake changes the direction of the gases. Usually out the side, but it can be up too. It's purpose is to reduce the felt recoil coming back towards the shooter. The muzzle brake on a tank's main gun slows the barrel a bit too.
They're two different things. Not that the monkies in government know or care.
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Old 08-27-2007, 04:43 AM   #8
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The BN CDR asked for questions after the Friday morning BN run and 'Safety breifing' and I was still a little drunk from Thursdays ladies night wet t-shirt contest at the local watering hole
I had asked everyone from my team leader to my 1SG that question and got different responses from each...the BN CDR seemed a good choice at that place during that moment
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Old 09-02-2007, 08:04 PM   #9
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"...got different responses from each..." That's because they didn't know. Not their job to either. Can't have the OR's thinking they don't though. Mind you, asking a weapons tech wouldn't have helped much either. They're just mechanics. Unless they're the techs with the AMU.
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Old 09-03-2007, 06:35 AM   #10
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M1ALover, thats funny. The "old" guys could sure teach us "young, dumb and full of...." a few things back then.

Anyhow, I kept the m.brake on our scout just because it looks right as compared to the FH. Plus to remove the gas cylinder nut you really need a neutered FH on the scout length barrels.... or use the brake.

The only m.brake that I did remove was on a ban era AR15 of my sons. It was obnoxious at the range while under the shelter. Not just the noise level but the concussion also. You definately didnt want to be next to him. I had the barrel turned and threaded and installed an A2 FH.

I dont mind the brake and I havent ran the bayonet course for about 20 years.
I appreciate that here in the free world, I have the choice....for now.
Good luck,
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Old 09-03-2007, 06:02 PM   #11
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"...the noise level but the concussion also..." Ever shoot next to a guy with a .338 mag? The muzzle blast nearly knocked me off the bench from about 6 feet.
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Old 09-03-2007, 07:19 PM   #12
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Flash-hider

Re: "A flash hider usually just spreads the muzzle flash. It doesn't hide the flash much when seen from the front. It's real purpose is to reduce the flash for the shooter in low light conditions."

"It doesn't hide the flash much when seen from the front." Not true!

Some years back (Spring, 2001) a buddy and I conducted a low-light test (0400 to BMNT) to compare and contrast several popular military surplus loads with the NM and GI flash-hiders, along with a Smith Muzzle break, using three 22" M1A's. The control weapon was an un-braked Remington 700.

Flash-hiders work - from the front, to dissipate nearly all signature in low light. The only visible sign, from 50m, was a few sparks. At 100m, there was no visible signature from either of the flash-hider styles. There was no appreciable difference between the NM and the GI flash-hiders, either. [Yes, I was downrange of the gun, recording the results of each shot. No, I was not directly in front - give me a little credit for designing a test regimen that was safe. At the 100m line, the angle was about 15 degrees off the gun-target line.]

The muzzle break attenuated the light signature about 50%, as compared to the un-modified Remington 700. Personally, I do not notice that the muzzle break does a whole lot for recoil.... But it seems to be a semi-effective flash-hider in its own right....

We were using the common milsurp 7.62mm ball available: British, LC, South African, and Austrian (Hirtenberger).

We also used some commercial Winchester and Chinese ammo. The Winchester has a slightly increased flash signature, but still significantly attenuated by both flash-hiders; the Chinese was a fireball!

Regards,

Wretched Dog
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