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8/2/2009 9:48:02 PM EDT
I have a 16" 7.62x39 carbine rifle that I assembled myself. It works great except for the normal stuff with wolf ammo. Anyways it seems like the spent shells are hitting hard against the shell deflector. It has marks from the shells hitting or bouncing off of it. Right now I am running a regular carbine buffer would upgrading to an H buffer or a Spikes heavy buffer help me out? Or is there something else I should be looking at? In case it helps the upper consists of a Henderson Defense upper, DPMS BCG,and  MGI barrel, both barrel and upper have M4 feedramps. I don't know if any of that matters I just wanted to let you know the components that make up the upper.
8/2/2009 10:19:58 PM EDT
[#1]
If the brass casings are hitting the shell deflector then it is doing what it is designed to do....deflect the brass casing.  These were designed and added to upper receivers for left hand shooters so the hot brass would not hit them in the face.  Brass marks come off with an eraser...but if your using the Wolf stuff with steel cases, you might have permanent marks.
8/2/2009 10:53:25 PM EDT
[#2]
Tactical Velcro time...
8/3/2009 12:07:03 AM EDT
[#3]
Mine actually has no markings on it after about 550 rounds...I thought it was a little odd, but it functions perfectly with everything except HP rounds.

8/3/2009 5:48:37 AM EDT
[#4]
I suspected that a little bit of  marks were not a big deal  but I actually have some of the acutally coating worn off were the brass deflector and the upper meet.
8/3/2009 7:28:32 AM EDT
[#5]
If you have marks on the brass deflector, that means it's working.
8/3/2009 7:49:29 AM EDT
[#6]
Quoted:
I have a 16" 7.62x39 carbine rifle that I assembled myself. It works great except for the normal stuff with wolf ammo. Anyways it seems like the spent shells are hitting hard against the shell deflector. It has marks from the shells hitting or bouncing off of it. Right now I am running a regular carbine buffer would upgrading to an H buffer or a Spikes heavy buffer help me out? Or is there something else I should be looking at? In case it helps the upper consists of a Henderson Defense upper, DPMS BCG,and  MGI barrel, both barrel and upper have M4 feedramps. I don't know if any of that matters I just wanted to let you know the components that make up the upper.


Take a look at this Aramlite Tech Note:  http://www.armalite.com/images/Tech%20Notes/Tech%20Note%2034,%20Adjusting%20the%20Ejection%20Pattern%20of%20the%20AR-10%20%E2%80%A6.pdf

The tech note is for the AR-10, but as it states,


These ejection patterns are common to all AR-15/M16 pattern rifles. They are more noticeable
on the AR-10 because the heavier cartridge case mars the finish of the receiver easier.



which ought to provide a little insight for you.
8/3/2009 8:49:21 AM EDT
[#7]
A piece of the Non Grab Side of Self Sticking Backed Industrial Velcro or Thin Self Sticking Neoprene over the deflector will stop the marks. The rubber really makes the cases fly.
SO-13
8/3/2009 3:14:24 PM EDT
[#8]
Ok I got it now. I guess it is normal. I was just surprise to see it that much. So my rifle is working fine and I need not worry. Thank you all for your help and the link. Zix pretty sweet rifle you got there. Here is mine.

(shameless pic op.)
8/3/2009 4:41:59 PM EDT
[#9]
What did you do to your FH.............it is gone.
8/3/2009 6:13:18 PM EDT
[#10]
Quoted:
What did you do to your FH.............it is gone.

I can't find one anywhere in stock. I was going to order a shark brake from Tromix but they are not accepting orders right now. So I am just waiting..Plus I like to see the fireballs when I let someone else shoot it.
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