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KX3 on a 14.5" 300Blackout. Too much gas?
Building a 300BLK upper for a sub-200yd medium game hunting rig. What are the chances of a K3X adding to much gas in a 300BLK 14.5" with carbine gas sys? Gun runs an H2 buffer and Springco Blue spring. Get an adj gas block maybe??. Barrel will be a Black Hole weaponry but I dont know yet what size port they use.
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None. A 14.5" 300 BLK with carbine gas system can't be overgassed, the port is almost as big as the ID of the gas tube.
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Black hole weaponry will have a gas port size somewhere between .085"-.100". I spoke with them Friday regarding the matter.
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As for the KX3 overgassing it...no worries. There are lots of folks using that setup, with no issue. I've seen several pistol builds (mine included) utilizing the 300 blk/with kx3 and no problems
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It won't be overgassed. After all, the rifle is not overgassed with a suppressor.
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