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Function and form were important to me with an SBR, as the form (how I can hold the carbine) actually can influence function (ease of making hits) so I wanted as long of a rail as possible with as short of a barrel as possible, as like the OP I am 5'11" and 230lbs. So I have a 10.5" LMT barrel with a 10" Daniel Defense Lite rail. I have the FSP removed and installed a Troy flip up BUIS. I think that the simple fact is that modern optics are so reliable that I really don't see the necessity of fixed front sights. The idea that you would be in the middle of a fight and your optics dies (possible yes, but highly improbable) and that you would be in such a time is life scenario that you would have time to flip up a sight. I would argue if they are that close then I would keep shooting using the RDS as a ghost ring...
I chose flip BUIS on my SBR as I also chose a couple of very robust red dots, Aimpoint Micro and EOTech XPS in more than 10,000 rounds over 7 different ARs and many years of shooting I have yet to have ANY RDS die while shooting, not to deny that it could happen, that's why I do have quality flip up BUIS on every AR I own, but it is very very unlikely.
So for my SBR form and function are most important, the full length rail protects the barrel and gas block, and a simply flip BUIS is available if needed.
SBR 10.5" barrel and 10" rail
Having a FSP at 7-8" would certainly change they way I shot, as I am hanging on all the way out at 10"
12" rail and I am still all the way out there...
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Last edited by Cameron; 07-01-11 at 00:11.
Thanks for your feedback Cameron, poses many things to consider, this really never is easy huh, lol.
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ΜΟΛΩΝ ΛΑΒE
Rest in Peace - Chuck Petrie
Another option would be a 12.5" in a Kino configuration. One of my friends runs a 12.5" BCM with a 9" DD lite rail. The gas block is low-pro under the rail system but there is still a pinned FSB in front of the rail system (obviously not attached to the gas system). Anywho, I like the setup. So, the barrel sticks out from the FSB at the around the same length as a 10.3".
He did make the mistake of not buying the G5 mount for a 10.3" and ended up having to take some metal off the front of his bayonet lug to properly mount his suppressor (but who puts a bayo on an SBR?)
Dave Merrill
Terrible Technical Writer. Awful Photographer. Lazy Instructor. Kind of a dick.
Loves Tacos.
Ignoring the switchblock/suppressor issue and with regards to your other ongoing thread, somethin like this on a kino might be interesting. And if you did have a SB it would be super-easy to notch.
http://www.apexcncmachine.com/store....2271628#images
Kino w/out handguards
http://stickman.rainierarms.com/gall...1024-Stick.jpg
Last edited by rob_s; 07-03-11 at 17:03.
This is one of the reasons I like the URX rails. I don't run with my BUIS flipped up all the time as the T1 makes a pretty good ghost ring. Because the extra couple inches of rail space isn't eaten up by a front sight, I can get my hand just that little bit further out. With the spring-loaded flip-up of my LW URX if I need to deploy the front it's just a button push.
Caveat, I don't do cool shit with my guns, just square range and training on said range.
I'm not cool. I just do this stuff for fun.
6920-DD Lite 12.5 FSP
6933-DD Lite 9.5 FSP
I want to keep the FSP so the 12.5 on the 6920 gives me real estate in front of the FSP. The 6933 has about an inch of rail on the sides and bottom past the FSB. I don't see a need, for me, to grip the 6920 past the FSP. Couldn't on the 6933 and don't feel the need to. The factory FSP is an excellent sight. I see no reason, for me, to move to something else. Both setups feel "comfortable."
I prefer flips.
Smaller, lighter weight, and modern BUISs are plenty durable.
Also...
if your FBUIS is busted, then your gas block will be intact, and you don't have to worry about the gun functioning.
However... that's very unlikely anyway.
We miss you, AC.
We miss you, ToddG.
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