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roach1902
9 April 2009, 10:26
I recently put together a Nosveske lower and mated it to a factory built Noveske upper. When I tested fired it I could hear a -for lack of a better term- springy “boing” noise coming from the buffer tube. For comparison I have a factory built 6920 which doesn’t make a noise at all. Spring, H buffer, buffer tube are mil-spec CMT. Any ideas? Thanks

shade_1313
9 April 2009, 10:36
to be honest, several of the m-16s i've qualified on through my career (AF) have had that "boing" noise from the spring... and my dad had told me before i even joined up, long ago, that he heard the same thing when he first qualified, shortly after the m-16 came into service. whether it can be silenced, i don't know, but it's not abnormal, in my experience.

VR-15
10 April 2009, 09:25
It's normal. My Stag 2T has a cabine buffer and spring and makes no noise. My DD M4 has H buffer and I hear that boing you hear.

OutlawDon
11 April 2009, 08:36
I use this. No more boing sound.

http://www.superiorshootingsystems.com/AR15_Buffer_Springs-AR_15_Buffer_Spring_Fits_both_Carbine_and_Std.html