Is my shell deflector getting too much use??


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Old 03-28-2014, 10:56 AM   #1
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Default Is my shell deflector getting too much use??

This is my first build and here are the specs first :
BCM upper
16" 1/7 Carbine Melonite M4 barrel
NFA Lower w/ RRA Single stage LPK
Magpul B.A.D. Lever
Adams Arms Piston Kit
Magpul MBUS Pro Black F + R
YHM phantom YH-28-5M
Magpul MOE Handguards, +Grip, RVG, CTR... all in FDE.
Surefire 6P LED

Now for my question, in my pic below is my shell deflector getting too much wear? I have put about 300+ rounds through this new build, my gas setting for the AA's gas block is at the 12 o'clock full open position. I just want to make sure this wear is normal, yes I know that's what the deflector is for but for under 400 rounds is this ok??imageuploadedbyfirearms-talk1396004159.198901.jpgimageuploadedbyfirearms-talk1396004183.127715.jpg


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Old 03-28-2014, 01:05 PM   #2
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Might be cycling fast with too much gas. A well tuned ar15 should toss brass without hitting the deflector and the cases should be in the 4oclock position in a neat pile.



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Old 03-28-2014, 01:45 PM   #3
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perhaps a heavier buffer would help slow the cycle enough? at least you know its doing what its supposed to lol.

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Old 03-28-2014, 01:48 PM   #4
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I am using a standard carbine buffer and I now remember that they recommend a heavier buffer for AA's systems, which I will now research, thanks for the help pointing me in the right direction!

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Old 03-28-2014, 05:30 PM   #5
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Default Deflector Problem

You can usually dean of the brass smear left on the deflector fairly easily. Yours doesn't look like the finish is chipped which often happens. You can use Velcro on the deflector and that will solve your problem. I put velcro on all my semis before they dent or chip the deflector. The SIG 556 is particularly bad at ruining the finish around the ejection port.

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Old 03-28-2014, 11:17 PM   #6
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No, your rifle should be ejecting and hitting your deflector... It is why it there

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Old 03-28-2014, 11:21 PM   #7
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It shows tha tyour shell deflector is indeed doing it's job. I've seen several that got chewed up a bit after many thousand rounds. I think yours has a long way to go. If it bothers you you can usually remove brass marks with a pencil eraser and then re-oil the deflector. You can also take a preventive step and put a piece of electrical tape, or a square of stick-on velcro, on the deflector to add another layer of protection to it.

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Old 03-28-2014, 11:39 PM   #8
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Heavy buffer and enhanced extractor spring should reduce that.

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Old 03-29-2014, 01:01 AM   #9
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Quote:
Originally Posted by Freedom4life View Post
No, your rifle should be ejecting and hitting your deflector... It is why it there
No, it was requested to be there by the military to keep left handed shooters from getting hit in the face. But it shouldn't be getting pelted regularly. That much brass marks is a sure sign of either over gassing or weak recoil spring or worn extractor parts. Since this is a new build and the maker of the gas system says heavy buffer should be used that means over gassed.
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Old 03-30-2014, 02:07 PM   #10
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never mind



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