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#6372742 - 07/18/16 01:10 AM super loud ar15....why?
Arrowslinger82 Offline
Bird Dog

Registered: 07/10/14
Posts: 380
ok so i bought a spikes crusader rifle.. love everything about it, except for when i shot it. now i know that we should always wear eye and ear protection, but i haven't ALWAYS needed it. this gun, if you don't know has a 14.5" barrel with a pinned and welded compensator. its a dynacomp 2. the ammo i was shooting was 56 grain MEN 5.56. is it the barrel length, the muzzle device, or the ammo?? any explanation would be much appreciated. or is this just a loud ar15?

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#6372751 - 07/18/16 01:35 AM Re: super loud ar15....why? [Re: Arrowslinger82]
Grizz Offline
THF Trophy Hunter

Registered: 02/28/08
Posts: 6344
Loc: Granbury, TX
In my experience, the number one difference in the noise between different AR15 rifles is the flash hider/compensator. The 1.5 inch barrel length difference would be a distant second, with the ammo probably not making a difference at all.
As far as hearing protection, you always need it. Protect your hearing as if your life depends on it! I can tell you when that ringing in your ears becomes permanent it has a very negative impact on your life.
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#6372757 - 07/18/16 03:43 AM Re: super loud ar15....why? [Re: Arrowslinger82]
Toxarch Online   content
Pro Tracker

Registered: 03/09/11
Posts: 1758
Loc: Parker County
Probably your compensator. I've been near a short barrel AR15 5.56 and that was extremely uncomfortably loud.
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#6372820 - 07/18/16 07:14 AM Re: super loud ar15....why? [Re: Arrowslinger82]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1392
Loc: Waco
It's both ....comps are loud and short barrels are loud

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#6372873 - 07/18/16 08:34 AM Re: super loud ar15....why? [Re: Grizz]
aggiehunter03 Online   content
Veteran Tracker

Registered: 11/13/09
Posts: 2359
Loc: Mineral Wells, Texas
Originally Posted By: Grizz
In my experience, the number one difference in the noise between different AR15 rifles is the flash hider/compensator. The 1.5 inch barrel length difference would be a distant second, with the ammo probably not making a difference at all.
As far as hearing protection, you always need it. Protect your hearing as if your life depends on it! I can tell you when that ringing in your ears becomes permanent it has a very negative impact on your life.


I concur.

Can the flash hider be removed or does that make the barrel too short to be legal at that point? I you can remove it you can put a thread protector on and it will greatly reduce the sound.
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#6372910 - 07/18/16 09:10 AM Re: super loud ar15....why? [Re: Arrowslinger82]
Tactical Cowboy Online   content
Veteran Tracker

Registered: 08/23/11
Posts: 3123
Loc: San Angelo
Comp!
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#6372953 - 07/18/16 09:45 AM Re: super loud ar15....why? [Re: Arrowslinger82]
LFD2037 Online   happy
THF Trophy Hunter

Registered: 11/05/08
Posts: 7091
Loc: TEXAS
It's the comp if you are familiar with AR's and yours seems to be louder. I know a plain Jane AR15 with a plain birdcage flash suppressor is one of the most ear piercing guns I've shot. There's just something about the pitch or volume or both about an AR that just kills my ears.
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#6372961 - 07/18/16 09:49 AM Re: super loud ar15....why? [Re: Grizz]
passthru Offline
THF Celebrity

Registered: 12/05/06
Posts: 11075
Loc: Saginaw, Tx
Originally Posted By: Grizz
In my experience, the number one difference in the noise between different AR15 rifles is the flash hider/compensator. The 1.5 inch barrel length difference would be a distant second, with the ammo probably not making a difference at all.
As far as hearing protection, you always need it. Protect your hearing as if your life depends on it! I can tell you when that ringing in your ears becomes permanent it has a very negative impact on your life.

Amen to that.
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#6372970 - 07/18/16 09:59 AM Re: super loud ar15....why? [Re: Arrowslinger82]
Misfire Offline
Tracker

Registered: 02/16/11
Posts: 685
Loc: Hood County
I just spent the last 3 days ROing 3-gunners through a stage of fire. I encountered almost every conceivable combination of barrel length and comp known to man. Believe me, there is a HUGE difference in noise and muzzle blast between different combos of barrel lengths and comps. Most of the noise and muzzle blast is comp dependent but when coupled to a short barrel the effect can be BRUTAL.

.
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#6372979 - 07/18/16 10:01 AM Re: super loud ar15....why? [Re: Arrowslinger82]
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3824
Loc: DFW
You should shoot my 7.5" Spikes Concussion upper. There's a reason they named it the "Concussion".

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#6373042 - 07/18/16 10:47 AM Re: super loud ar15....why? [Re: Arrowslinger82]
passthru Offline
THF Celebrity

Registered: 12/05/06
Posts: 11075
Loc: Saginaw, Tx
Exactly why I'm suppressing my SBR.
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#6373801 - 07/18/16 07:31 PM Re: super loud ar15....why? [Re: Arrowslinger82]
Sneaky Online   content
The "Grouch"

Registered: 10/22/12
Posts: 16709
Loc: Winters
You have a short barrel and a muzzle brake. That's a loud combination.

Now stop shooting centerfires of any kind without hearing protection. You need it whether you think you do or not.
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