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Posted: 9/15/2010 1:04:54 PM EDT
What tools do I need to change two bbls?
Link Posted: 9/15/2010 1:06:06 PM EDT
[Last Edit: 9/15/2010 1:11:38 PM EDT by mathecb]
Barrel nut wrench/armorers wrench, ft/lbs torque wrench, vise, and an action block or upper receiver block.
I also use some clp for cleaning and hoppes gun grease on the threads.

ETA: you also need the tools required to remove your gas block. (hammer, nail punch, 1/8 punch, and something to support the gas block while you knock the pins out.) I use 2 midway usa catalogs.
Link Posted: 9/15/2010 1:19:15 PM EDT
In my opinion the torque wrench isn't really important as I have personally seen 0 shift between a 30lb barrel nut and a maxed out barrel nut on the same barrel. Armor's block and wrench.

Just tighten it with some barrel grease until the barrel nut is snug and the barrel nut's teath line up correctly to install the gas tube.
Link Posted: 9/15/2010 1:24:45 PM EDT
Originally Posted By KillAgain:
In my opinion the torque wrench isn't really important as I have personally seen 0 shift between a 30lb barrel nut and a maxed out barrel nut on the same barrel. Armor's block and wrench.

Just tighten it with some barrel grease until the barrel nut is snug and the barrel nut's teath line up correctly to install the gas tube.


This is how I do it. I have never had a problem.
Link Posted: 9/15/2010 5:37:39 PM EDT
Originally Posted By mathecb:
Barrel nut wrench/armorers wrench, ft/lbs torque wrench, vise, and an action block or upper receiver block.
I also use some clp for cleaning and hoppes gun grease on the threads.

ETA: you also need the tools required to remove your gas block. (hammer, nail punch, 1/8 punch, and something to support the gas block while you knock the pins out.) I use 2 midway usa catalogs.


1/8 punch is too thick. The gas tube retaining pin is 5/64 but you can use a 1/16 punch wth a small hammer. Just remember tap-tap-tap not bang-bang-bang.

He only needs to remove the gas tube if he's not re-using the gas block/FSB.
Link Posted: 9/15/2010 5:42:31 PM EDT
Originally Posted By PaintItBlack:
Originally Posted By mathecb:
Barrel nut wrench/armorers wrench, ft/lbs torque wrench, vise, and an action block or upper receiver block.
I also use some clp for cleaning and hoppes gun grease on the threads.

ETA: you also need the tools required to remove your gas block. (hammer, nail punch, 1/8 punch, and something to support the gas block while you knock the pins out.) I use 2 midway usa catalogs.


1/8 punch is too thick. The gas tube retaining pin is 5/64 but you can use a 1/16 punch wth a small hammer. Just remember tap-tap-tap not bang-bang-bang.

He only needs to remove the gas tube if he's not re-using the gas block/FSB.


I know. I was assuming he was removing the gas block.
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