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Posted: 12/13/2008 12:07:48 PM EDT
| I would like to put a rail on my inbound 6920. I am looking for battle rifle accuracy, not match grade accuracy. Is there another reason I should put a free float rail rather than a drop-in? |
| Freefloats are one solid piece, opposed to a drop in which is usually two pieces connected by 4 small allen head screws. Obviously a single, solid piece is less likely to have a material failure then two pieces plus 4 crappy screws. If you get a two piece be sure to put loctite on the screws. |
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I am putting a Troy 10" FF on my new 6920. If it were me (which its not) I would put a good quality FF rail on mine. Troy, LaRue, Daniel Defense. You can get the Daniel Defense Omega FF rail that is super easy to install and is rock solid. I have one on one of my other
carbines. |
| I'm looking at getting a mid-length rifle from RRA and am looking at getting the free float quad rail on it. Anyone have any opinions on this? |
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Not sure what your rifle's configuration is but a FF rail may necessitate removing the FSB (if you have one) to install. Also, if you do have to remove your FSB, you may want to replace it with something else. Just some things to think about. I thought I saw two piece FF rails somewhere but I may have just dreamt that.
Cheers, cc |
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I am putting a Troy 10" FF on my new 6920. If it were me (which its not) I would put a good quality FF rail on mine. Troy, LaRue, Daniel Defense. You can get the Daniel Defense Omega FF rail that is super easy to install and is rock solid. I have one on one of my other carbines. Your getting rid of the FSB on the 6920? |
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I regret making my first rails a drop-in system. I ended up selling them.
I would wholeheartedly suggest looking into Larue, Daniel Defense, etc. for some quality FF rails. (Oddly enough, I went from M4 handguards to drop-in rails to FF rails and now back to M4 handguards on my primary rifle.) - BG |
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I am putting a Troy 10" FF on my new 6920. If it were me (which its not) I would put a good quality FF rail on mine. Troy, LaRue, Daniel Defense. You can get the Daniel Defense Omega FF rail that is super easy to install and is rock solid. I have one on one of my other carbines. Your getting rid of the FSB on the 6920? No I am keeping it. The less bolt-ons the better. The person that described the one piece rail as more stable made a lot of sense. I never thought of it that way. |
| Look into the Daniel Defense Omega rails. They install without the need to remove the FSB or barrel, and they are free floating. They are two piece but from what I've read they are rock solid. Got one incoming for my LMT upper, I didn't want to modify the upper from "factory." |
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I am putting a Troy 10" FF on my new 6920. If it were me (which its not) I would put a good quality FF rail on mine. Troy, LaRue, Daniel Defense. You can get the Daniel Defense Omega FF rail that is super easy to install and is rock solid. I have one on one of my other carbines. Your getting rid of the FSB on the 6920? No I am keeping it. The less bolt-ons the better. The person that described the one piece rail as more stable made a lot of sense. I never thought of it that way. Actually I was asking the guy I quoted who wanted to put a Troy 10" on a 6920. The 10" rail covers the gasblock. As far as two piece rails go the Troy free float is 2 piece and is very solid. The two pieces slide into each other before being screwed together. The DD Lite rail would be my first choice for a one piece. |
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I am putting a Troy 10" FF on my new 6920. If it were me (which its not) I would put a good quality FF rail on mine. Troy, LaRue, Daniel Defense. You can get the Daniel Defense Omega FF rail that is super easy to install and is rock solid. I have one on one of my other carbines. Your getting rid of the FSB on the 6920? No I am keeping it. The less bolt-ons the better. The person that described the one piece rail as more stable made a lot of sense. I never thought of it that way. Actually I was asking the guy I quoted who wanted to put a Troy 10" on a 6920. The 10" rail covers the gasblock. As far as two piece rails go the Troy free float is 2 piece and is very solid. The two pieces slide into each other before being screwed together. The DD Lite rail would be my first choice for a one piece. oops. I just noticed that. Both of those options look great. Thanks for the suggestions. Also the 7" rail is the size I want for the 6920. Correct? |
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Freefloats are one solid piece, opposed to a drop in which is usually two pieces connected by 4 small allen head screws. Obviously a single, solid piece is less likely to have a material failure then two pieces plus 4 crappy screws. If you get a two piece be sure to put loctite on the screws. Not necessarily have to be one piece. ARMS SIR, KAC RASII, URX, and Daniel Defense RISII are all two piece FF handguards. I agree on the loctite on the screws. I have a DD 14.0 Lite Rail that have not come loose, meanwhile, the single piece KAC FF RAS Match, FF RAS MRE have come loose unless I use a little loctite on the handguard ring. Use too much loctite, it'd be a bitch to remove without taking a propane torch to it to heat it up, whereas loctited screws are much easier to unscrew. |
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Freefloats are one solid piece, opposed to a drop in which is usually two pieces connected by 4 small allen head screws. Obviously a single, solid piece is less likely to have a material failure then two pieces plus 4 crappy screws. If you get a two piece be sure to put loctite on the screws. Not necessarily have to be one piece. ARMS SIR, KAC RASII, URX, Daniel Defense RISII and Lite Rail are all two piece FF handguards. I agree on the loctite on the screws. I have a DD 14.0 Lite Rail that have not come loose, meanwhile, the single piece KAC FF RAS Match, FF RAS MRE have come loose unless I use a little loctite on the handguard ring. Use too much loctite, it'd be a bitch to remove without taking a propane torch to it to heat it up, whereas loctited screws are much easier to unscrew. I thought the Railed section of the Lite rail was one piece? |
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Freefloats are one solid piece, opposed to a drop in which is usually two pieces connected by 4 small allen head screws. Obviously a single, solid piece is less likely to have a material failure then two pieces plus 4 crappy screws. If you get a two piece be sure to put loctite on the screws. Not necessarily have to be one piece. ARMS SIR, KAC RASII, URX, Daniel Defense RISII and Lite Rail are all two piece FF handguards. I agree on the loctite on the screws. I have a DD 14.0 Lite Rail that have not come loose, meanwhile, the single piece KAC FF RAS Match, FF RAS MRE have come loose unless I use a little loctite on the handguard ring. Use too much loctite, it'd be a bitch to remove without taking a propane torch to it to heat it up, whereas loctited screws are much easier to unscrew. I thought the Railed section of the Lite rail was one piece? Not sure what you mean by railed section. Most of the two piece designs that allow the use of M203 have the 9, 12 and 3 o'clock in one piece, the bottom is removable. Top + bottom = not one piece. |
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Freefloats are one solid piece, opposed to a drop in which is usually two pieces connected by 4 small allen head screws. Obviously a single, solid piece is less likely to have a material failure then two pieces plus 4 crappy screws. If you get a two piece be sure to put loctite on the screws. Not necessarily have to be one piece. ARMS SIR, KAC RASII, URX, Daniel Defense RISII and Lite Rail are all two piece FF handguards. I agree on the loctite on the screws. I have a DD 14.0 Lite Rail that have not come loose, meanwhile, the single piece KAC FF RAS Match, FF RAS MRE have come loose unless I use a little loctite on the handguard ring. Use too much loctite, it'd be a bitch to remove without taking a propane torch to it to heat it up, whereas loctited screws are much easier to unscrew. I thought the Railed section of the Lite rail was one piece? Not sure what you mean by railed section. Most of the two piece designs that allow the use of M203 have the 9, 12 and 3 o'clock in one piece, the bottom is removable. Top + bottom = not one piece. I was under the impression that the DD Lite rail had the 12, 3, 6, 9 rail sections all on the same piece of aluminum. The DD RIS II has the removable bottom piece. 
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Sorry you're correct, Lite Rail is a one piece FF handguard! 
I can't believe I made that goof, it was a pain in the ass to get my Lite Rail 14.0 to install on my AR10, I thought that experience was seared in my memory  No problem. I was second guessing myself for a second. That's why I had to find a pic of the front of the rail. |
to the OP:
for the upgraded membership within the thread now on to the question: for your requirements, there isnt any reason that you need a FF rail. You probably wouldnt notice any possible increase in accuracy gained from one. A two piece drop in will work for you any manufacturer that is mentioned on this site from $$$$ DD/Larue to $$ YHM/MI, are all quality products and will serve you well whether it is free float or not. I first bought a DD omega because it was thinner, lighter, and allowed for the continuous top rail. I had it for a while and realized i didnt need such an expensive rail and i didnt like the handguard cap showing. I sold it off and bought the YHM diamond rail. it too had the continuous top rail, but it is alittle wider. with the $100+ in my pocket i will get used to it. i also like the looks of the yhm better Old DD Omega 
new YHM diamond 
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to the OP:
for the upgraded membership within the thread Thank you. I joined the board when I got my first black rifle. It was a bushmaster A1 post ban carbine lightly used. It was a great gun and ran flawlessly. I have since become addicted. I have more AK's now than anything, but slowly getting back into AR's to diversify the collection. I figured I should contribute to the site by purchasing a membership. I read a ton, post little. I refuse to post unless I have first hand knowledge. I hate when people post, "Pat Rogers said this". (I like teachers, not preachers). I by no means am an expert, so I will conitnue to read a lot, ask a few dumb questions, and may post some experiences on occasion. I really enjoy this board for the most part and love learning from knowledgeable people. I am really excited to get my 6920. I have fired a few and love the rifle. |
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