AR Sponsor
Posted: 7/25/2006 10:23:25 AM EDT
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Well, I have decided to do the free-float thing on my first SBR build (paperwork sent off a few months ago). I am planning on going with an 11.5"bbl, and decided to do a free-float rail forend - something I have not experimented with previously. Basically, I want to add a simple light setup (was thinking of the TRL-1), rail mounted flip front sight, and will play with a VFG for the first time. I was thinking a 9" or maybe longer FF rail with a low profile gas block. I have put on a few barrels with good succes, but was thinking the simpler the better. A friend recommended the Samson 9", saying it was simple to put on, good quality and solid. Basically, I want to know if this system is simple enough for a guy with only 2 builds under his belt to manage? Also, are there any pitfalls? How long on a rail can I go before running out of room on a 11.5" bbl? Weight is not a huge concern - the car I will carry it in rarely gets tired, and most of the warrants I serve are over in a matter of minutes. Price is an object - got on ARF about a year ago, and have bought two AR's since then, and my wife is getting tired of me spending her money (which I make) on these toys. I don't want cheap, but I won't lose sleep over not having the greatest name out there either. So - recommendations are appreciated, but please explain. Saying "X brand because it's the best" really doesn't help. Thanks in advance. |
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You could go to a 12" rail depending on what muzzle device you put on the barrel, but a 9" rail will serve you well. Basically two types of handguard systems, "dedicated" and "retrofit" Dedicated systems have their own barrel nut. Top quality brands here are LaRue, Daniel Defense and Knights. Retrofit systems use the standard barrel nut. Top quality systems here are Troy, Samson and MI. Retrofit systems generally do not require removal of the barrel nut as they clamp-on to the existing barrel nut. Dedicated systems require removal of the FSB and barrel nut. Any 9" handguard is going to require removal of the FSB of course. Different handguards have different inside diameters and therefore clear different gas blocks. PRI, LaRue, Troy and my gas blocks fit under anything. I applaud you for choosing an 11.5" barrel over a 10.5" barrel. For reference, here is a 9" Daniel Defense on a 10.5" 6.8 SPC barrel I test fired last weekend. Muzzle has a KX3 on it. 
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