gas port position on short barrels

Talk about the AR15 style rifles chambered in 450 Bushmaster.

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gas port position on short barrels

Postby plant_one » Fri Sep 29, 2017 12:15 pm

how much "dwell time" do you need to reliably cycle a 450 bushmaster.

or i guess a better question would be how much barrel length beyondthe gas port do you need to give reliable cycling?



ie: on a carbine gas barrel the port is ~7", would that function on a 9-9.5" barrel? or would you need a pistol gas port to reliably cycle that length barrel?
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Re: gas port position on short barrels

Postby Bmt85 » Fri Sep 29, 2017 12:26 pm

My guess is your going to need a pistol length gas system.
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Re: gas port position on short barrels

Postby plant_one » Fri Sep 29, 2017 9:48 pm

probably so.... but figured it cant hurt to ask :)
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