Gas block questions

JoeTheGreat

New Member
Aug 31, 2013
23
1
La Porte
My girlfriend's AR has a iron sight gas block and I'm am wondering what I need to do to change that. So I can put a quad rail of some sort on it. Any info would be awesome. I want to pick everyone's brain. Thanks.
 

jwiatrek

New Member
Jun 13, 2010
8
1
Austin TX/Karnes County TX
Unless I am misunderstanding getting a Sight-tower type gas blockoff is generally a bear. There are 2 taper pins that need to be drivin out and I know with my Stags I bent several punches before I took it to GDS Enterprise and paid them $20 bucks to driveout the taper pins. Best $20 bucks I spent. GDS is in South Austin on Ben white about a mile from I35

Also you need to decide if you want free float hand guard and if you want the gas block to be low profile and go under the forearm.
 
Last edited:

shooterfpga

TGT Addict
Jul 24, 2011
4,423
48
Conroe, TX
They are kind of a pain. You could also try completely destroying the front sight to where it is no longer useable again by taking a grinder with a cut off wheel along the running end of the sight right through the pins and splitting it open
 

JoeTheGreat

New Member
Aug 31, 2013
23
1
La Porte
Right now I'm just doing some research and figuring out exactly what she wants the gun to look like. Lol. She makes the final choice. I'm just doing the work. Lol. Things men will do for women.
 

sonuvaTXgun

TGT Addict
Feb 14, 2013
4,920
38
Borger, TX
I took my factory block off and replaced it with a low-profile block from Troy that I bought on Amazon so I could install the Troy free float hand guard. Like they said, you just need to punch out the pin.

Sent while being unproductive
 

Charlie

TGT Addict
TGT Supporter
Mar 19, 2008
58,205
113
Kerr County
Free float hand guard can significantly improve your accuracy. As sated earlier, after you get it off you can replace it with one that would fit under the hand guard if you wanted to or one in front of the hand guard with a sight on it. Clamp-on (with set screws) gas blocks (with or without a sight) are available and easier to deal with than driving pins out. Check out Brownell's for a large variety of gas blocks.
 

pvtsnowball82

Active Member
Jan 28, 2009
850
36
Outside San Antonio
If you're going to get a longer rail and cover up the gas block anyway, you could take that grinder with cutting wheel and just cut off the iron sight portion of the stock gas block.


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