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Page AR-15 » Optics, Mounts, and Sights
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Posted: 7/3/2012 8:36:32 AM EST
What is the best way to shave down the front sight post and how does this compare to just buying a new low profile gas block?
Link Posted: 7/3/2012 8:44:27 AM EST
[#1]
Hacksaw and grinder.  Works just fine compared to a LPGB.  Much easier to jus buy a low-pro gas block though.
Link Posted: 7/3/2012 8:48:52 AM EST
[#2]
Lpgb is easier to buy, but you still have to take the fsb off, which can be a bitch.

Grinder to rough cut, dremel to finish.
Link Posted: 7/3/2012 8:52:34 AM EST
[#3]
I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.

To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).

- AG

Here is one of my guns that I cut down the front sight:

Link Posted: 7/3/2012 9:28:54 AM EST
[#4]
I start with a dremel cutting wheel and then move on to the bench grinder and finish with sand paper. To be honest, I don't remember what I ended up coating it with It's easy and a doesn't take more than an hour or so.
Link Posted: 7/3/2012 2:49:07 PM EST
[#5]
I did the entire job on mine with a dremel.  to finish it i used cold blue and you can't even tell that it was chopped.  with steel taper pins you will never have to worry about screws coming loose.
Link Posted: 7/3/2012 3:27:42 PM EST
[#6]
I just swapped mine out for a railed GB.  Save the FSB and the pins, and you can return it to stock configuration for better resale value.  It took me about 30 minutes to remove, replace, properly torque and align the railed one.
Link Posted: 7/4/2012 2:45:29 AM EST
[#7]



Quoted:


I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.



To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).



- AG



Here is one of my guns that I cut down the front sight:



http://img.photobucket.com/albums/v668/dp_holland/HGW2-2.jpg


And now you have no way to have back up iron sights. Scope fails, gun it out.



If you had left the FSB it wouldn't have interfered with your scope and a rear BUIS could be mounted behind the scope.



Or, a railed gas block would have allowed a front BUIS.



Yea, yea I know...it's just a range gun right? Never ever will be needed for anything else since we live in a such a stable world.



 
Link Posted: 7/4/2012 12:57:57 PM EST
[#8]
Quoted:

Quoted:
I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.

To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).

- AG

Here is one of my guns that I cut down the front sight:

http://img.photobucket.com/albums/v668/dp_holland/HGW2-2.jpg

And now you have no way to have back up iron sights. Scope fails, gun it out.

If you had left the FSB it wouldn't have interfered with your scope and a rear BUIS could be mounted behind the scope.

Or, a railed gas block would have allowed a front BUIS.

Yea, yea I know...it's just a range gun right? Never ever will be needed for anything else since we live in a such a stable world.
 

 

I was installing a 2-8x scope on my FSB equipped rifle and it was interfering.  That is why I installed a railed gas block on it.  In either case, if you are a in a true SHTF scenario, it will not be at a distance that you absolutely need a scope or sights.  In an emergency situation, there is no reason you shouldn't be able to point and shoot with reasonable effectiveness.  If someone can't do that, they need to practice doing so.
Link Posted: 7/4/2012 1:05:38 PM EST
[#9]



Quoted:



Quoted:




Quoted:

I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.



To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).



- AG



Here is one of my guns that I cut down the front sight:



http://img.photobucket.com/albums/v668/dp_holland/HGW2-2.jpg


And now you have no way to have back up iron sights. Scope fails, gun it out.



If you had left the FSB it wouldn't have interfered with your scope and a rear BUIS could be mounted behind the scope.



Or, a railed gas block would have allowed a front BUIS.



Yea, yea I know...it's just a range gun right? Never ever will be needed for anything else since we live in a such a stable world.

 


 



I was installing a 2-8x scope on my FSB equipped rifle and it was interfering.  That is why I installed a railed gas block on it.  In either case, if you are a in a true SHTF scenario, it will not be at a distance that you absolutely need a scope or sights.  In an emergency situation, there is no reason you shouldn't be able to point and shoot with reasonable effectiveness.  If someone can't do that, they need to practice doing so.





If you don't "need" sights in a SHTF scenario why did you install a railed gas block so that you can have sights?



 
Link Posted: 7/4/2012 1:12:30 PM EST
[#10]
Quoted:

Quoted:
Quoted:

Quoted:
I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.

To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).

- AG

Here is one of my guns that I cut down the front sight:

http://img.photobucket.com/albums/v668/dp_holland/HGW2-2.jpg

And now you have no way to have back up iron sights. Scope fails, gun it out.

If you had left the FSB it wouldn't have interfered with your scope and a rear BUIS could be mounted behind the scope.

Or, a railed gas block would have allowed a front BUIS.

Yea, yea I know...it's just a range gun right? Never ever will be needed for anything else since we live in a such a stable world.
 

 

I was installing a 2-8x scope on my FSB equipped rifle and it was interfering.  That is why I installed a railed gas block on it.  In either case, if you are a in a true SHTF scenario, it will not be at a distance that you absolutely need a scope or sights.  In an emergency situation, there is no reason you shouldn't be able to point and shoot with reasonable effectiveness.  If someone can't do that, they need to practice doing so.


If you don't "need" sights in a SHTF scenario why did you install a railed gas block so that you can have sights?
 


1.  Because that is what I had on hand.
2. They don't require dimpling the barrel.
3.  It is longer than most LoPro GBs, thereby hiding the taper pin holes.
4.  That is what I wanted on there because I think it looks better than having a LoPro hanging out in front of the handguards.
5.  If I decide I want to take the scope off, I will still have the option of installing a sight without any extra work.

And besides all that.  I have more than one rifle, and the others that can fill the SHTF role much better and easier than this one would.  If someone puts a scope on a rifle, it is usually for hunting or target purposes.  Not because that rifle is supposed to fill a SHTF role.  If it was to serve in that role, I am sure they would take the time to make sure they have viable back up sights if they need them.  Not every single rifle has to be configured mall ninja style.
Link Posted: 7/5/2012 5:50:03 AM EST
[#11]
Quoted:

Quoted:
I make a straight cut with a hacksaw, then contour with a bench disc sander (dremel could work).  Refinish with KG gunkote, bake and viola.

To me it is a much better option because you are assured of continued reliability, durability, and proper gas port alignment thanks to a superior attachment method (steel taper pins).

- AG

Here is one of my guns that I cut down the front sight:

http://img.photobucket.com/albums/v668/dp_holland/HGW2-2.jpg

And now you have no way to have back up iron sights. Scope fails, gun it out.

If you had left the FSB it wouldn't have interfered with your scope and a rear BUIS could be mounted behind the scope.

Or, a railed gas block would have allowed a front BUIS.

Yea, yea I know...it's just a range gun right? Never ever will be needed for anything else since we live in a such a stable world.
 


In my experience, the chance of having gas issues from a set-screw attached or clamped on gas block is MUCH higher than having my scope completely crap out.  Plus this is one of my (currently) seven ARs.  It is a purpose built long range hunter/ target gun (btw I have different scope and mounts on it now).

- AG
Page AR-15 » Optics, Mounts, and Sights
AR Sponsor: bravocompany
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