04 February 2026

Fake Tube

Palmetto State Armory used a screw they epoxy'd into the gas tube hole of the front sight base to hold the handguard cap.


Because it interfered with triangle handguards, I tried removing it and created a "would not screw back in" condition.

So I ordered a pistol gas tube and cut it down to provide a block to rotation at the handguard cap.

A longer gas tube would have been better because it would have been straight here.

No matter!  Thag have hammer!

Now there's a stub of a gas tube to help hold the cap steady.  There's a washer-like slip on fastener that I cannot recall the name of that would be perfect for holding the cap forward...  As soon as I remember what they're called I will order some.

Update: Retaining washer!

Kinda neat looking in the cooling holes and seeing gastubisinterruptus.

Wile E Coyote school of gunsmithing for the win!

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