Just waiting for the rest of my parts to arrive, so I figured I would ask for some opinions on whether the buffer with be fine with my new build. I have a 14.5" lightweight middy upper (BCM), and since I have a stripped lower (Spikes), I ordered the MOE complete lower build kit from PSA, which includes the milspec carbine buffer tube, spring, and (I think) "H" buffer. Will this upper function properly with the "H", or should I order a heavier weight buffer for it?


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