I just got a Tubbs 308 ar buffer spring last nite and tried it out today , it cycled all the rounds I put though it ,no FTE with all the brass landing at about one o'clock , I still have a H3 (5.4 oz) buffer coming maybe thursday .
Ok, so I have an SBR with a 10.5 barrel. As far as I know I have a standard buffer spring (didn't know they made them in different weights). I want to use a variety of ammo. I have some XM-193 factory ammo and I have reloads. What is the best weight to use any ammo?
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