[ARCHIVED THREAD] - Replacing Gas block

Posted: 4/2/2007 7:22:11 AM EDT

I have what I was told was an RRA upper, I am replacing the gas block on it with a YHM gas block with a flip up site. The pin that holds my current gas block on is tapered, however, the yhm gas block looks like it is not tapered.

Do I need to get a replacement pin for this or is the old one still good?

Posted: 4/2/2007 11:49:36 AM EDT

[#1]

Quoted:
I have what I was told was an RRA upper, I am replacing the gas block on it with a YHM gas block with a flip up site. The pin that holds my current gas block on is tapered, however, the yhm gas block looks like it is not tapered.

Do I need to get a replacement pin for this or is the old one still good?

Er...is it this one:

No taper pins. Just four set screws. It is a clamp on type.

Posted: 4/2/2007 12:23:26 PM EDT

[#2]

This is the one I am getting. I am refering to the pin that actually goes through the gas tube itself.

Posted: 4/2/2007 4:23:27 PM EDT

[#3]

Quoted:
This is the one I am getting. I am refering to the pin that actually goes through the gas tube itself.

The Yankee Hill uses a standard gas tube roll pin.

Posted: 4/3/2007 12:15:13 AM EDT

[#4]

Quoted:
This is the one I am getting. I am refering to the pin that actually goes through the gas tube itself.

Gas tube pins are straight.
If yours is tapered, that's because the old gas tube pin holes did not align well and one end of the old pin is mashed down smaller.
Use a new pin when you put it all back together.

[ARCHIVED THREAD] - Replacing Gas block

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[ARCHIVED THREAD] - Replacing Gas block

[ARCHIVED THREAD] - Replacing Gas block