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Posted: 1/23/2008 9:50:09 AM EDT
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Just about to put a rail on my CMMG 16" carbine. Right now, just for availablity, I'm looking at Midwest Industries. What are the benefits of a free float rail as opposed to the MCTAR-17? Either one is fine to mount optics to hold zero? There's not 'that' much of a price difference between the two, but I've heard a mixed crowd perfer one over the other! Oh and I have no issues with cutting the delta ring off to install the free float. Any help would be appriciated! |
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I bought a MI rail and im very happy with it. Good price great product I havent noticed too much of a difference in accuracy due to the FF. As far as optics mounted on the rail ive heard mixed reviews. Shooting 1000m i would keep my optics off the rail, but for realistic use i dont see the rail having too much to do with accuracy. Rail mounted optics might be more prone to losing zero from a drop or something because the optic is attached to the rail, which is attached to the gun (more stuff to go wrong) If your going to iraq, keep your optics off just in case. Realistically, a 5.56 carbine isnt effective to the ranges which a rail mounted optic would show a impact. |
Let's back up a second. To answer your question about FF rails/HGs: They keep your bbl from being moved by a sling or bi-pod etc. They eliminate tension on the bbl itself... On a 16" carbine set-up, without serious optics, there really isn't a noticeable difference. They cost more, and should be professionally installed (in your case at least.) What kind of optics are you planning on running? I'd avoid mounting optics to your HG. Mount them on your receiver. If you get the MCTAR-17, the only things you want to mount on them is a tactical light and/or vertical grip and maybe a QD sling mount. You would use your delta ring to mount them. Don't go cutting stuff off of your rifle. Step away from the Dremmel tool...  Even with FF HGs it's preferable to mount optics to the upper receiver or a solid, continuous rail, like an ARMS #38 Swan sleeve. LMK if you want any more help. Where in TN are you? |
Jackson, TN -- West TN Just finished my lower build with CMMG lower and parts kit, Magpul CTR stock. Just got my order of PMAGs in... and now I'm waiting on my CMMG 16" M4 carbine upper to arrive FedEx today. Was about to order a MI BUIS and a rail to replace the HG just for shits and giggles. |
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Just attached my upper, great fit and passed function tests! I'm up in Nashville alot, I'll hit ya up if I can make it to the next gun show Just ordered the standard rail to replace the HG -- this is my first build so everything has a learning curve but what you said made sense. |
Hhmm, I've never owned the MI rails. I've used KAC, PRi (mostly,) YHM, A.R.M.S. and none of those require cutting a delta ring. The use a proprietary bbl/mounting nut. I'm not sure why the thought of that bothers me, but I'd use a different system. |
Troy rails are the same way. I prefer to dis and ass rather than cut. To each their own however. The abundance of affordable FF rails makes this a non issue for me. Surefire's non-FF: $200. KAC M4 non-FF: $225 if you're lucky. Troy FF: $210. |
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I'm in the same boat as you. I'll be receiving my first ar-15 soon. Personally I'm leaning towards HG's (easy install that I can do) If you don't mind spending more money for a full length rail look into this: http://www.vltor.com/casv.htm It looks like a great idea... its just $ |
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