Originally Posted by
swadiver
Made some changes to this build. changed the barrel out to a RedX Arms fluted SS 16 inch, added the Effin_A compensator, added an Eotech Exps-2, and a Vortex 3x magnifier. the RedX barrel has a rather large gas port ( not sure why, much bigger than my Mas Defense barrel) and consequently has more felt recoil. i just ordered a SLR Rifleworks adjustable gas block to tame things a bit ( i hope). The Effin-A comp helps quite a bit though. on the common lower, used my existing Magpul CTR stock and modified a CAA stock saddle to get a better cheek weld.
built another upper around my Mas Defense barrel. wanted to spread the shooting load a bit and see what one, if either, ends up shooting any better. this one has a YHM lightweight forearm, a Sightmark Digital switch red dot (pretty good for $120), with a no name 3x magnifier, and a JP Mickulek style brake. sharing the same BCG on both of these uppers. lower is the same except as noted above. added a couple of pics
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