A Tale of Two Crush Washers, or Two Crush Washers One Barrel, and other AR oddities

[rhaney02]

Customer’s AR wouldn’t cycle. Can’t imagine why.

Inspect your parts when building. I do inspections that I never would have done 1-2 years ago, because I have seen so much lack of QC in that period.View attachment 4151459View attachment 4151460

Factory gun?

 

[cmshoot]

Factory gun?

Frankenbuild. Guy doesn't know what brand of gas block it is.

 

[300_whisper]

Frankenbuild. Guy doesn't know what brand of gas block it is.

Dumb question. The issue with the gas block was there was no gas port? It was just solid metal correct?

 

[rhaney02]

Dumb question. The issue with the gas block was there was no gas port? It was just solid metal correct?

Gas block was installed backwards.

 

[300_whisper]

Gas block was installed backwards.

Gotcha thank you.

 

[cmshoot]

Dumb question. The issue with the gas block was there was no gas port? It was just solid metal correct?

There’s a port, but it’s located at the wrong end of the block.

 

[cmshoot]

Gas block was installed backwards.

Gas block is installed correctly, but the port is drilled at the wrong end.

 

[rhaney02]

Gas block is installed correctly, but the port is drilled at the wrong end.

Holy ****. Manufacturer of barrel?

 

[cmshoot]

Holy ****. Manufacturer of barrel?

Barrel was fine. The gas port in the gas block was drilled into the wrong end of the gas block.

 

[rhaney02]

Barrel was fine. The gas port in the gas block was drilled into the wrong end of the gas block.

Son of a damnit. This is stupider than what I thought....