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AR-15 front sight removal #6139188 01/17/16 01:35 AM
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ksjmf Offline OP
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I picked up an S & W M&P Sport II the other day and was planning my optic choices. Is the front sight removable? I'm an AR novice, so I apologize in advance if this is a dumb question.
Thanks

Re: AR-15 front sight removal [Re: ksjmf] #6139212 01/17/16 01:49 AM
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Without a picture of the rifle,I will just take a guess that the sight is on the barrel. If so,the sight is actually the gas block with a sight. Yes,it can be removed,but you will need a new gas block in order to take it off.

Re: AR-15 front sight removal [Re: ksjmf] #6139236 01/17/16 02:00 AM
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whats the reason you are removing it?

you can scope it as is

if it isn't in your way for any other reason, leave it where it is


Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting.......holy kaka.....What a Ride!
Re: AR-15 front sight removal [Re: ksjmf] #6139242 01/17/16 02:04 AM
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Cutting disk and a bench grinder. Problem solved in 20 minutes.


The very atmosphere of firearms anywhere and everywhere restrains evil interference. -George Washington
Re: AR-15 front sight removal [Re: fgdn] #6139245 01/17/16 02:07 AM
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Originally Posted By: fgdn

whats the reason you are removing it?

you can scope it as is

if it isn't in your way for any other reason, leave it where it is



I have scope on an ar with a front sight post. I will be timing it because I can see it. This is with a 1x4 scope. Its not as noticeable above 3 but its still there.

Re: AR-15 front sight removal [Re: ksjmf] #6139246 01/17/16 02:08 AM
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In pin the front sight,take it off and put on a gas block

Last edited by Tye; 01/17/16 02:08 AM.

Originally Posted By: AmoCuernos
If you shoot a young deer because a neighbor will shoot it, you are that neighbor.
Re: AR-15 front sight removal [Re: TFF Caribou] #6139277 01/17/16 02:28 AM
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Originally Posted By: Tff caribou
Cutting disk and a bench grinder. Problem solved in 20 minutes.


Yup


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Re: AR-15 front sight removal [Re: Tactical Cowboy] #6139459 01/17/16 04:04 AM
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Originally Posted By: Tactical Cowboy
Originally Posted By: Tff caribou
Cutting disk and a bench grinder. Problem solved in 20 minutes.


Yup


AKA "Shaved Front Site Post". Worked for me. up


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Re: AR-15 front sight removal [Re: ksjmf] #6139577 01/17/16 08:07 AM
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fgdn Offline
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you tube is your friend

it was either that or brownells, watched a short video not long ago

fairly easy to do


Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting.......holy kaka.....What a Ride!
Re: AR-15 front sight removal [Re: TFF Caribou] #6139598 01/17/16 12:31 PM
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Originally Posted By: Tff caribou
Cutting disk and a bench grinder. Problem solved in 20 minutes.


Dremel tool works very well for this


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Re: AR-15 front sight removal [Re: ksjmf] #6139771 01/17/16 03:51 PM
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I just don't understand why people continue to purchase a model that is not close to the configuration that they want out of the box.

Re: AR-15 front sight removal [Re: ksjmf] #6139786 01/17/16 04:06 PM
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Said he was a novice. I almost always buy basic and modify to my needs. Sometime that means the post stays other times it goes and get a quad rail.

Re: AR-15 front sight removal [Re: cyphertext] #6139810 01/17/16 04:31 PM
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Originally Posted By: cyphertext
I just don't understand why people continue to purchase a model that is not close to the configuration that they want out of the box.


For some folks, sometimes their purposes for the rifle change. Which is exactly what makes the AR great. It's the small block 350 of the gun world.


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Re: AR-15 front sight removal [Re: ksjmf] #6140120 01/17/16 09:02 PM
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I would leave on. Might want it later. I know my preference changes.
Could buy another upper for use with scope if it bothers ya that much.
I switch back and forth tween open, red dot and 1x4 scope.


It ain't easy being me.

Re: AR-15 front sight removal [Re: ksjmf] #6140253 01/17/16 10:47 PM
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Might want it later, I wouldnt chop it up. Just get a new gas block.

Re: AR-15 front sight removal [Re: ksjmf] #6140374 01/18/16 12:19 AM
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Wow, interesting YouTube videos on the subject! I was thinking about adding a 5x red dot style optic instead of a traditional riflescope. Will a "riser" be nessasary? One comment I noticed about replacing the glass block was the potential for twisting or misalining which will cause the rifle to malfunction. Any experience with this issue?

Re: AR-15 front sight removal [Re: kry226] #6140721 01/18/16 03:41 AM
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Originally Posted By: kry226
Originally Posted By: cyphertext
I just don't understand why people continue to purchase a model that is not close to the configuration that they want out of the box.


For some folks, sometimes their purposes for the rifle change. Which is exactly what makes the AR great. It's the small block 350 of the gun world.


His purpose changed from "just the other day" when he first bought it?

Re: AR-15 front sight removal [Re: jhenderson] #6140727 01/18/16 03:44 AM
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Originally Posted By: jhenderson
Said he was a novice. I almost always buy basic and modify to my needs. Sometime that means the post stays other times it goes and get a quad rail.


I understand he is a novice... but I see this all the time with AR buyers... they buy the Sport, as it is cheap, and then want to change it into something else. Next thing you know, they have a $1200 M&P 15 Sport!

Re: AR-15 front sight removal [Re: ksjmf] #6140738 01/18/16 03:53 AM
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Hey cypher, I'll bite... None of your posts have anything to do with removing the A-2 style front sight. Why are you commenting? In another thread it sounds like you suggest an m&p sport II is a great ar rifle option, but you are being hyper critical of me and my purchase. What's your deal?

Re: AR-15 front sight removal [Re: cyphertext] #6140743 01/18/16 03:58 AM
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Originally Posted By: cyphertext
Originally Posted By: jhenderson
Said he was a novice. I almost always buy basic and modify to my needs. Sometime that means the post stays other times it goes and get a quad rail.


I understand he is a novice... but I see this all the time with AR buyers... they buy the Sport, as it is cheap, and then want to change it into something else. Next thing you know, they have a $1200 M&P 15 Sport!


I'm right here. I was planning on putting a scope on it and didn't think I needed the front sight post. I was curious if it was difficult to remove. Stop reading stuff into the situation. Or don't, your comments speak volumes for you.

Re: AR-15 front sight removal [Re: ksjmf] #6140805 01/18/16 05:19 AM
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Originally Posted By: ksjmf
Hey cypher, I'll bite... None of your posts have anything to do with removing the A-2 style front sight. Why are you commenting? In another thread it sounds like you suggest an m&p sport II is a great ar rifle option, but you are being hyper critical of me and my purchase. What's your deal?


It is a great purchase, if it is in a configuration you like. I just see a trend of tons of people buying a Sport, then their first question is how to get rid of the front sight. If you didn't want the front sight, then maybe the M&P 15 OR would have been a better choice. Or if you want a free float barrel, maybe the 15T or the 15TS is a better choice.

It isn't just you, I just see this on this board and several others... so perhaps my comments can help others realize that they might want to think about what they want before they buy the rifle, not after.

But to help you with your issue, what type of scope are you looking to put on it? If it is 4x or higher magnification, the front sight will ghost out and you may find that you don't need to change a thing.

Last edited by cyphertext; 01/18/16 06:18 AM.
Re: AR-15 front sight removal [Re: cyphertext] #6140837 01/18/16 08:29 AM
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Originally Posted By: cyphertext
Originally Posted By: kry226
Originally Posted By: cyphertext
I just don't understand why people continue to purchase a model that is not close to the configuration that they want out of the box.


For some folks, sometimes their purposes for the rifle change. Which is exactly what makes the AR great. It's the small block 350 of the gun world.


His purpose changed from "just the other day" when he first bought it?


Maybe. Ain't America great? flag


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Re: AR-15 front sight removal [Re: ksjmf] #6141318 01/18/16 05:30 PM
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I have two or three laying around I have removed from my ARs. One has a low profile block under a Troy Alpha battle tube. One has a quad rail style block with a standard milspec hand guard. One is from a gun that was re-homed. Easy to remove or reuse. Twisting is not really an issue if you look at what you are doing and use care. Great platform that you can buy whole and modify or buy in the pieces you want and build to suit.

And cyphertext I understand your your point but it's not the OPs point. I bet you could start your own thread posing that question and have an interesting debate on it because there are so many aspects to consider.


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Re: AR-15 front sight removal [Re: ksjmf] #6141366 01/18/16 05:55 PM
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Originally Posted By: ksjmf
Wow, interesting YouTube videos on the subject! I was thinking about adding a 5x red dot style optic instead of a traditional riflescope. Will a "riser" be nessasary? One comment I noticed about replacing the glass block was the potential for twisting or misalining which will cause the rifle to malfunction. Any experience with this issue?


HB Industries block alignment tool. Cheap and easy to use.

I have no idea what you mean by "riser", but you'll need a sight mount such as one from LaRue.

Re: AR-15 front sight removal [Re: ksjmf] #6142638 01/19/16 12:37 PM
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Leave it as is or replace it with a low profile gas block. It takes longer to hack one off than to replace it. I can't see the A2 front post through my glass so make sure you mount your scope as a test before making any decisions if in fact this is the reason to remove it.


Pass the gravy.


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