I'm going to be buying a 14.5" mid-length upper from BCM and I'm not sure which buffer would be better go with. I know the H buffers cause the bolt to cycle slower, reducing recoil and increasing accuracy. But if the buffer is too heavy, the rifle will have a hard time extracting the spent cartridge or locking the bolt to the rear if shooting weak ammo. I read on "the chart" http://spreadsheets.google.com/pub?k...=5&output=html that the H buffer is best used in carbine length rifles, but what about mid length gas systems? I also hear the Spikes ST-T2 buffer is pretty badass but not much as to why it's badass, just that it is. Is their buffer meant to work best for carbine length gas systems or mid-length? What would be the better buffer to get for my rifle being the 14.5" middy?


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