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Anyone still use fixed FSBs on their ARs? Login/Join 
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Picture of cas
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Any iron sighted AR that I'm going to fire more than a couple rounds out of, I want the sights mounted to the barrel. If the barrel heats up and should start to go this way or that way, it brings the sight with it and still shoots well no matter how hot.

I have only one iron sighted upper with rail mounted sights and it's for hunting, so no heating up.

I have four iron sighted uppers, one rail mount, three FSB... though one of them is an "it is but it isn't".  Wink



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Posts: 17807 | Location: 18th & Fairfax  | Registered: May 17, 2003Reply With QuoteReport This Post
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Picture of Bigbuck5
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I have them on all of my ARs. I use a Daniel Defense rear sight, and you could set a red dot between them if you like. It works well for me. Here is a link to the rear:

https://danieldefense.com/a1-5-fixed-rear-sight.html
 
Posts: 238 | Location: Guatemala | Registered: January 26, 2007Reply With QuoteReport This Post
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I like them. I’m not a long handguard guy. I like lightweight, simple builds and it keeps me from buying a buis front. I sometimes mount a dot and the fsb doesn’t bother me at all.

I have both with and without. My current gun on a rifle rack in my closet sports a fsb and DD rear. Good sturdy combo.

As I have moved through my AR life I prefer simpler lighter guns. I rarely mount more than a light and an optic so fsb’s work for me.
 
Posts: 2832 | Registered: June 18, 2005Reply With QuoteReport This Post
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I will not own an AR15 without a fixed FSB.

In all honesty my favorite rifles during my time with Uncle Sam has been my Colt M16A2E4 and the FN M16A4 with the adjustable stock and had iron sights.

It wasn't until I re-enlisted in 2009 that I really became an iron sight person. When I received that FN M16A4 with the iron sights I just clicked with. Between the iron sights and my Army Issued BCG's I began to love shooting prone unsupported at 300+ meters.

Maybe I am just institutionalized but I cannot see me owning a rifle without them.
 
Posts: 1209 | Location: Fort Yates, ND for Work | Registered: March 03, 2015Reply With QuoteReport This Post
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Both my Colt HBAR and Bushmaster Carbine both have the fixed FSB. I've just been used to that style since the 70s and it works for me. I also have an AR which is a SBR in 9mm. It has a fold down sights and they're OK. It also has a rail for which my intention is to mount some sort of red dot sight on. That's why it does not have the fixed FSB.
 
Posts: 1694 | Registered: March 07, 2005Reply With QuoteReport This Post
Drill Here, Drill Now
Picture of tatortodd
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Yep. Colt LE6920 Magpul that I converted a few months ago to long forend.



Ego is the anesthesia that deadens the pain of stupidity

DISCLAIMER: These are the author's own personal views and do not represent the views of the author's employer.
 
Posts: 19150 | Location: N. Houston, TX | Registered: November 14, 2005Reply With QuoteReport This Post
fugitive from reality
Picture of SgtGold
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Who makes that rail?

quote:
Originally posted by tatortodd:
Yep. Colt LE6920 Magpul that I converted a few months ago to long forend.


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Posts: 6641 | Location: Newyorkistan | Registered: March 28, 2007Reply With QuoteReport This Post
Drill Here, Drill Now
Picture of tatortodd
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quote:
Originally posted by SgtGold:
Who makes that rail?
It’s the UTG PRO AR-15 Super Slim M-LOK



Ego is the anesthesia that deadens the pain of stupidity

DISCLAIMER: These are the author's own personal views and do not represent the views of the author's employer.
 
Posts: 19150 | Location: N. Houston, TX | Registered: November 14, 2005Reply With QuoteReport This Post
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Picture of Rustpot
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I took this photo for a different conversation on colors, but it happens to be 3 of my FSB rifles.

I'm not a fan of scopes on FSB guns, unless it's something mounted to an A1/A2 setup.

 
Posts: 5837 | Location: Romeo, MI | Registered: January 03, 2009Reply With QuoteReport This Post
Diablo Blanco
Picture of dking271
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I can think of two that have FSBs, my current HD carbine built on a 14.5 pinned Colt SOCOM barrel and a Larue 7” quad rail. The other is a mid-length 16” hbar built around a Larue 9” quad rail that wears a 4x Trijicon scope. The FSBs still work just fine. Everything newer than those builds have pinned lo profile gas blocks.


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Posts: 1693 | Location: Middle-TN | Registered: November 05, 2003Reply With QuoteReport This Post
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Picture of Gambit
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I have optics on the 5.56, but I like it a lot on the 9mm.



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Posts: 846 | Location: Acadiana | Registered: February 14, 2009Reply With QuoteReport This Post
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and of course if you don't like your pinned fsb its pretty easy to convert it to something that is still pinned for reliability but clears a new FF handquard barrel nut if that is the direction you are headed in. I've done a few in just a few minutes.


“So in war, the way is to avoid what is strong, and strike at what is weak.”
 
Posts: 8747 | Registered: October 14, 2004Reply With QuoteReport This Post
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