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Posted: 8/13/2006 7:12:08 PM EDT
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My 16" Bushmaster is ejecting rounds into the leading edge of the deflector causing a sharp 1/8" dent about 2/3rds of the way down each case instead of smearing down the deflector like it is supposed to do. Everything is working reliably it's just not smearing down the deflector as designed. What to do or just forget about it?? I read a Stag lefty AR-15 review in Guns and Ammo recently that stated that the brassy smear on the deflector is an indication that the rifle is ejecting correctly. |
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The deflector is built into the upper receiver to prevent the spent cases from hitting you in the face if you shoot the rifle southpaw. Nothing more, nothing less, and specifics of the way that the cases contact the deflector are more in the realms of superstition. (Really physics, but it’s too early in the morning to get into it, so we are just calling it “The Devil”, for now). If you don't want marks on the deflector or the cases, such as going to be reloaded, then a piece of sticky back Velcro (felt side) applied to the face of the deflector will prevent the above fore mentioned. |
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+1 You wouldn't believe all the ciphering and intellectualizing and effort people have put into worrying about where the brass smacks the deflector. I don't think it's a concern at all. Me personally, I'm happy that the spent shells eject and just strike it somewhere. IMO, as long as the rifle is running it is not a problem. |
"Mamma says", if you just clip a few coils off the ejector spring, you can make the spent cases just dribble out the ejection port on a forward path. But my thoughts are as longs as the rifle is running and you’re not going to reload the cases, why change a thing. Chicks dig scares, and the little marring on the deflector makes the rifle look sexy. Pretty is nice to look at, but function over form is where it's at.  |
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I put a tiny piece of duck or duct tape over the sharp edge and it eliminated the sharp dent on the case problem. Can the sharp edge be gently stoned away and covered with black aluminum touch paint up to solve the problem permanently or will doing so remove the anodizing or something important? I do reload my cases and want to eliminate the problem if possible. Does the duct tape make my AR a redneck rifle? |
Yes, Now on the other hand, a piece of sticky back black Velcro (the cushy side) from about any hobby shop makes the rifle tactical (high speed, low noise). As for taking a file to the surface of the upper, yes it will remove the anodizing, and instead of that the nice Rockwell 60'ish surface coating that you now have, the bare aluminum will be in the 20's (read soft as butter).  |
Yes, Now on the other hand, a piece of sticky back black Velcro (the cushy side) from about any hobby shop or home depot makes the rifle tactical (high speed, low noise). As for taking a file to the surface of the upper, yes it will remove the anodizing, and instead of that the nice Rockwell 60'ish surface coating that you now have, the bare aluminum will be in the 20's (read soft as butter). |
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The tape or velcro tip really took care of the problem. Now that my rifles are broken in a little, they are pretty gentle on brass. I still can't find all that black velcro I had laying around, so I'm still using a tiny sliver of duct tape. "If you have a piece of duct tape on the deflector of your AR-15, ... you might be a redneck." |
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