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Both the extant intermediate gas systems (KAC, and the Noveske/MSTN spec) have been revised at some point in time, my guess is that from the manufacturer side it's a bigger concern that it run on anything than whatever gains can be made to reduce recoil impulse when running exclusively 5.56 pressure ammo.
I recall seeing that DD was on the relatively open end for gas ports, but any broken in gun being fed decent ammunition will run without issues unless you're trying to run a 7oz buffer or something silly.
عندما تصبح الأسلحة محظورة, قد يملكون حظرون عندهم فقط
کله چی سلاح منع شوی دی، یوازي غلوونکۍ یی به درلود
Semper Fi
"Being able to do the basics, on demand, takes practice. " - Sinister
I am at about 750 rounds of wolf through my DD m4v7 . after 500 rnds with no lube it started to get sluggish, I then put some lube on the bolt and it continued to run like a champ. It does not seem undergassed to me. I will say this though, it feels like one of the smoothest shooting ars I have shot.
Had a Noveske N4 Middy once. Ran overgassed right out of the box and the more "broken in" it got the move overgassed it ran. Not excessivly though, as in the ejecting brass wasn't hitting the handguard, which is a sign of severe over gassing.
Ran an H2 buffer in it and it didn't help much. Putting a Vltor A5 with a Wolff extra power spring brought it down to"normal" function.
It is missing the point to think that the martial art is solely in cutting a man down; it is in killing evil. It is in the strategem of killing the evil of one man and giving life to ten thousand -Yagyu Munemori
It is missing the point to think that the martial art is solely in cutting a man down; it is in killing evil. It is in the strategem of killing the evil of one man and giving life to ten thousand -Yagyu Munemori
Don't forget everyone is an expert here. There are only a few members on the board who can truly diagnose an ovegassed gun. Im not saying Im one of them, neither is grumpy if he was he would have stated the process used to diagnose his problem. People who know how do not have to get defensive when called out. They simply state the process. They do not ask for schooling on the subject, but Im sure his handy ejection chart helped him with his diagnosis.
If your going to go with a mid length bcm does it the best. All i own are middies and one noveske intermediate, and the bcm is head and shoulders ahead in the middies.
I have shot around 200 rounds of soft point 64 grain (.223) out of my SR15 as well as M855, XM193 and MK318. Only difference I noticed was that the soft points were softer shooting with this system. I do feel that it shoots a bit smoother/softer with 5.56 pressure ammo than my buddies Noveske.
ETC (SW/AW), USN (1998-2008)
CVN-65, USS Enterprise
Double post...
Last edited by hotrodder636; 09-30-12 at 07:50.
ETC (SW/AW), USN (1998-2008)
CVN-65, USS Enterprise
Well, I guess you're true to your screen name, Mr. Grumpy. I'm not trying to take anyone to school here, I just asked a simple question. Let me try again, why did you think your Noveske was over gassed? Typically overgassed guns DO malfunction, hence my earlier question. Since yours didn't, now I'm really curious how you determined or why you felt it was over gassed.
Edit: maybe I should have posed this question another way. What is your definition of "normal" function? Since you had zero malfunctions, but still deemed your N4 to be overgassed, I assume you're using some other method to quantify what you refer to as "normal" function.
Last edited by mtdawg169; 09-30-12 at 12:15.
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