AR gas tube lengths

RangerDanger

Full Access Member
Anyone want to school me on how to measure for the length I would need?

I thought I had it figured out and ordered a gas tube a while back. Now I have a supposed mid length tube that's way too long.

Thanks,
Tim
 

BrothersInArms

Supporting Vendor
There are 4 size gas tubes:
- Pistol length = 7.5"
- Carbine length = 9.75"
- Mid length = 11.75"
- Rifle length = 15.125"

To determine which you need, measure from the front of the upper receiver / barrel nut to the beginning of the gas block:
- Pistol length measurement = 3.5" - 4"
- Carbine length measurement = 6.5" - 7"
- Mid length measurement = 8.5" - 9"
- Rifle length measurement = 11.5" - 12

Hope it helps
 

BrothersInArms

Supporting Vendor
Thanks Brad, good info.

SWSS from somewhere....

No Problem guys. This is Rob, Brads brother. I haven't yet made a formal introduction lol. I'm usually the guy behind the scenes running machinery out in the shop. I dont do well with computers lol :Angry:
 

RangerDanger

Full Access Member
Got a measurement of 7 1/4" from edge of upper receiver to edge of where the gas block mounts and 7 3/4" from receiver to gas port hole
 

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