Vltor
http://i264.photobucket.com/albums/i...SPx4/UB1-3.jpg
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I'm sure you will be happy no matter which one you choose. I went with a midlength VIS. I decided on it because it would work with the older style PWS system, didn't require a proprietary barrel, and looked and sounded like it would hold up to abuse well. I have been very happy with it and am thinking about another one for a 6.8 build.
Hi pal, the info is coming from a gent on tos with a thread over there about it.....
http://www.ar15.com/forums/topic.html?b=3&f=12&t=509830
Link to get the actually work preformed....
https://dbmg-llc.3dcartstores.com/MR...sion_p_25.html
Marks kit really is one of the finer examples of what I am talking about in reference to a system, and just assume he already has his new 6.8 gear pic'd. I watched Mark do a ton of research before investing as heavily and nicely as he did in the mrp system. The MRP is not for a person that does not want to push envelopes and innovate the AR platform and rather just wants a single, nice shooting rifle. The MRP is for diehards imho and not the route to go if you are not going commit yourself to it as it demands quite a penny and more importantly the willingness to actually push the performance and capabilities of it through all the various options it has.
Now that folks do not have the whole proprietary barrel non issue to spout on....and with plenty of hard data to support the amazing lack of poi shift done by others along with myself, I think the "MRP bent rail syndrome" is the last knock on the system.
one of centurion arm's VIS guns with his HK style sights
http://i83.photobucket.com/albums/j3...s/P1040398.jpg
and some more VIS CA uppers
http://i83.photobucket.com/albums/j3...s/P1040597.jpg
Ditto on the Mega Mono. Beautiful craftsmanship.
One consideration - the VIS receiver is machined from a 6016 forging while the rail section is made from a 6063 extrusion. This Vltor Rep who provided this info also said the VIS was manufactured in this way "because you cannot weld 7075."
To El Cid - The useable rail length on a mid-length Mega Monolithic Quad-Rail Upper is 14.75", and that on their rifle-length is 3.37" longer, or 18.12". Also, the side-to-side rail width is 2.09".
I've been very happy with the various VIS that I own, no complaints at all. I've got plenty of upper receiver groups, so I have no need to switch out barrels (I have more than one VIS also).
http://stickman.rainierarms.com/gall...1024-Stick.jpg
http://stickman.rainierarms.com/gall...1028-Stick.jpg
http://stickman.rainierarms.com/gall...028%20WEVO.jpg
http://stickman.rainierarms.com/gall...-1028-WEVO.jpg