Howdy,
I have a BCM 14.5" Mid Length stripped upper and I'm finally going to build it out. I'm getting a local crew to cut down my FSB. I'd like to put a BCM MCMR MLOK rail on it, but I'm not sure if the cut down FSB gas block will fit under there..any thoughts? I do have a BCM low pro gas block if needed, but I figure the pinned FSB remnant is more solid, and might as well use it since I have it.
Also, I'm having a few second thoughts about going with a 14.5" Mid Length set up. I do have a 14.5" carbine gas barrel somewhere in my pile, and it is a DD LW profile CHF too, if I remember right. The BCM is a standard, govt profile. So I can convert at this point to 14.5" carbine gas for more across the board reliability, as I do have some Geco .223 for training/classes. On the other hand I'm tempted to put the 14.5 Mid Length to use and save the DD for later.
I'll be running a standard carbine recoil system. Any issues running good quality .223 (Geco) with a BCM 14.5 Mid Length? What spring and buffer combo can I consider for the gun to run well, also going up into the 5.56 ammo realms?
Just to clarify I'll be getting a local shop to do the FSB cutdown, and the rest of the assembly.
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