04-05-2018, 12:04 AM
An adjustable gas block is only about $40 extra (dependign on the model you choose), but from what's been reported on here, the RLGS doesn't need it so it's an extra you can dispense with. Rifle length gas pressure has dropped down more than the carbine or mid-length (obviously!) by the time it hits the port.
As far as carbine vs rifle length butt stocks, I have 2 on carbine systems and one with the rifle length stock... for that one I just inserted the rifle-carbine spacer and continued with carbine length springs and wts. I'm using the Kaw or Spikes T2, along with the JP centerless springs, again, all carbine length. So they all work perfectly with these setups. My 18" is on the rifle length stock setup... I don't have a 20" AR system.
As far as carbine vs rifle length butt stocks, I have 2 on carbine systems and one with the rifle length stock... for that one I just inserted the rifle-carbine spacer and continued with carbine length springs and wts. I'm using the Kaw or Spikes T2, along with the JP centerless springs, again, all carbine length. So they all work perfectly with these setups. My 18" is on the rifle length stock setup... I don't have a 20" AR system.
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