Heavy carbine buffers, ..worth it ?

They can make the recoil a little bit softer on carbine length gas systems (especially with <16" barrels) by slowing down the cycling rate. A standard carbine buffer would work just fine though.

Edit: I believe one of the differences between the military M4 and M4A1 is that the latter uses an H2 carbine buffer tube
 
I have SO MUCH to learn about AR's. :)
I was about to buy a modstock style stock, now considering this (the A5 that is) although it's expensive!
 
a heavier buffer and brake made my carbine shoot softer and with a less muzzle rise. Just nicer to shoot overall.

No problems before, but it was REALLY tossing the brass! it would chuck em about 10-12 feet to the 3-4 oclock location. Now it piles it nicely at about 5 oclock and at about 5-6 feet.

followup shots are faster and easier. Wife likes shooting it now. didn't like it before.
 
mine is a 16" AR-15 as well. I did both and its really nice to shoot. My rifle is over gassed, but I didn't want to touch that. it will stay really reliable and always function. I could do something to take some of the gas out of it, but then if the gas tube gets plugged or something like that, it won't cycle. this one is soft shooting for a carbine length system, and its dead nutz reliable
 
I put a H buffer in my colt 16inch after doing some internet reading - turns out now it doesn't lock to rear reliably with norc ammo. So, I switched back to the factory weight buffer and problem solved. YMMV, and it won't hurt to play around a bit :)
Cheers
 
I think heavy buffers are more beneficial to short barrels. The gas system is closer to the bolt and gets more oomph going back on the bolt, hence the need for the heavier buffer to help slow the process and help with recoil.

Maybe I'm wrong but that's what I've always thought.........

I put a heavy (T2 Spikes) buffer in my 10.5" Noveske and it's worked out great for me.
 
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