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Posted: 12/10/2015 2:07:19 AM EDT
I'm waiting on a 203. In the mean time I'm trying to learn a few things. Today's example: How far from the front sight should a rail-grabber type leaf site be mounted such that it's ranges work correctly? When I carried a 203 in the Marines we had bbl mount ones with the 203-style handguard etc so this wasn't a question. With rail mounted ones there are actually options...
The manual says: when mounted to the carbine, the recoil lug of the rail grabber will be located in slot "T24" on the M4 Adapter Rail. When mounted to the rifle, the recoil lug of the rail grabber will be located in slot "T38" on the M5 Adapter Rail. Kind of useful...to bad I'm not running either of those weapons systems. What I could use, really, is the distance between the front sight and the leaf sight mounting slot. |
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Posted: 12/11/2015 3:33:01 AM EDT
[#1]
kinda surprised no one knows the answer to this. Hmmmm. Surely someone here has a leaf sight for their 203 and has mounted it on a non-mil type rail...or with a different front sight.
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Posted: 12/11/2015 4:41:33 AM EDT
[#2]
I can take a measurement for you from an M4 RAS T24 slot to the front sight, and/or an M5 RAS T38 slot to the front sight, probably within the next 12 hours (I'm at work now and don't have those rifles with me). I'll try to get a pic even, if nobody is able to give you solid info before I get to it.
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Posted: 12/11/2015 9:37:30 AM EDT
[#3]
The M4's T24 and the M5's T36 are both 5 slots back from the front. Depending on your rail length and type this might be different on whatever you're using. From the center of those slots to the front sight post itself, is roughly 3.7" on the M4 and 3.6" on the M5. That should hopefully be close enough to get you started.
Pics: 
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Posted: 12/11/2015 1:23:05 PM EDT
[#4]
Perfect!! Thank you sir! This gun will have a rail mounted front sight so I was sure how to translate what the manual was telling me. Your response couldn't have been more informative. Thanks much!
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Posted: 12/14/2015 3:32:35 PM EDT
[#5]
I just mounted my leaf as close to the front BUIS as possible while still allowing thd BUIS to flip up..it's dead nuts.
Just do yourself a favor and make sure the two bolt attaching the "rail grabber" to the base of the leaf Sight are tight.. Mine came loose right away. |
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Posted: 12/15/2015 2:07:27 PM EDT
[#6]
Cool, thanks for the tip. I'll bust out the locktite...
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