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Bukujutsu
03-18-2012, 9:00 AM
Delete

Omega13device
03-18-2012, 9:08 AM
Yes a hacksaw will go through it, but there are a couple of serious issues with your plan.

One is that to get the cut-down FSB to fit under a rail, you'll need a dremel to grind down the "wings" on the FSB.

http://www.ar15.com/forums/t_3_4/226782_Assemble_your_own_LOWER__UPPER__FREE_FLOAT_ _TRIGGER__GAS_BLOCK___Step_by_step_instructions_.h tml&page=1#i1847415

Second is that the Omega rail is not designed to go over a low-profile gas block. It's meant to go behind the FSB. The interior dimensions are too tight and it will make contact with the gas block.

Bukujutsu
03-18-2012, 9:13 AM
Oh, I didn't mean that it would go over it, I meant that the fixed front sight would be in the way of the troy sights.

joelogic
03-18-2012, 10:16 AM
Why switch? Gas blocks are cheap, replace and sell.

m16
03-18-2012, 10:20 AM
Why bother? Your existing FSB will give you a longer sight radius and is more durable than a flip-up sight.

Omega13device
03-18-2012, 10:38 AM
Oh, I didn't mean that it would go over it, I meant that the fixed front sight would be in the way of the troy sights.

That'll work then, but keep in mind you'll end up with sharp edges from the cut so you'll still need to smooth them out with a dremel or a file, then shoot it with some black paint.

FARRIER
03-18-2012, 10:41 AM
Save up for a flat top and sell that one. Hacking that thing sounds like a bad idea.

tomd1584
03-18-2012, 10:47 AM
Oh, I didn't mean that it would go over it, I meant that the fixed front sight would be in the way of the troy sights.

You're going to shorten your sight radius?

A rail mounted sight is not nearly as rugged as a FSB...it would make sense if you were going for a longer rail, but since you're not I'm trying to figure out the point. Is it just the cool factor?

Bukujutsu
03-18-2012, 10:57 AM
I don't want the sight to get in the way of the field of view of my aimpoint pro.

The sights are for backup.

You could argue that if the aimpoint ever dies right when I need it removing it will take too long, but I just don't see that as being likely at all.

tomd1584
03-18-2012, 11:22 AM
I don't want the sight to get in the way of the field of view of my aimpoint pro.

The sights are for backup.

You could argue that if the aimpoint ever dies right when I need it removing it will take too long, but I just don't see that as being likely at all.

It won't get in the way.

gsrious
03-18-2012, 11:32 AM
It'll co witness

m16
03-18-2012, 11:44 AM
If it bothers you, try a lower 1/3 co-witness mount.

It will take most of the sight tower out of your FOV.

smittty
03-18-2012, 12:08 PM
I say chop that thing and go without buis.

I posted this topic a while back and took some heat from some armchair commandos but it's working out great. Here's the thread, http://www.calguns.net/calgunforum/showthread.php?t=515226

The money you save for not buying the rail and buis could be put towards better optics but Aimpoint that you have is pretty good. Just go with a fixed mount, not QD.

I'm using the AR332 scope and it's working out perfectly. I'm using it most often without battery power as the black reticle is nice and crisp.

Bukujutsu
03-18-2012, 12:21 PM
It'll co witness

It looks like crap, I hate having it in the way. I want a completely unobstructed field of vision.

TNP'R
03-18-2012, 12:27 PM
I wouldn't mess with cutting it up and risk messing it up. I'd rather bite the bullet and get a different upper.

smittty
03-18-2012, 12:29 PM
Buk, read here http://www.calguns.net/calgunforum/showthread.php?t=515226



It looks like crap, I hate having it in the way. I want a completely unobstructed field of vision.

m16
03-18-2012, 12:34 PM
Buk, read here http://www.calguns.net/calgunforum/showthread.php?t=515226

You did a good job on that.

I used 2000 flat black exhaust header paint on mine, it's a pretty close match to the parkerizing.

sd_shooter
03-18-2012, 1:22 PM
I can't believe some are suggesting that you get a completely different upper just to 'solve' your FSB issue.

Many uppers tend to come with the standard FSB. Hack away! Be prepared to live with whatever is left over. As others have shown, if you are handy you can make it look great.

SB30
03-18-2012, 1:36 PM
You should be able to grind (or file) the heads off those pins and punch them out.

Bukujutsu
03-18-2012, 1:37 PM
Hey, I just thought of something potentially brilliant. Bear with me.

This picture illustrates what I want to do:

http://i.imgur.com/MGTyn.jpg

I would basically turn it into a pseudo-bayonet.

Does anyone see any possible problems with this? IIRC bayonets are banned in California under assault weapon rules, so would this count?

m16
03-18-2012, 1:41 PM
You should be able to grind (or file) the heads off those pins and punch them out.

Huh?

You do NOT grind FSB pins, they are tapered and come out with a punch.

Unless it's an LMT, they use non-tapered pins.

Either way, you don't grind anything.

Especially since the OP is asking about cutting it down, not removing it.

smittty
03-18-2012, 2:06 PM
Hey, I just thought of something potentially brilliant. Bear with me.

This picture illustrates what I want to do:

http://i.imgur.com/MGTyn.jpg

I would basically turn it into a pseudo-bayonet.

Does anyone see any possible problems with this? IIRC bayonets are banned in California under assault weapon rules, so would this count?

We hope you hacksaw skills are better than your photoshop skills!

That would still obstruct your fov.

Omega13device
03-18-2012, 3:07 PM
Just hack it and stick with your original plan. There's nothing magical about the sights on a front sight base. If you prefer an uncluttered view, cut it off.

Here's mine. After I took these pics I ground it down a bit further and painted it black.

http://i41.tinypic.com/a31tsz.jpg

http://i42.tinypic.com/25yw1e9.jpg

http://i40.tinypic.com/6galgk.jpg