Why is the free float rail the default these days?

[grizzlyblake]

I am curious why exactly the free float rail/handguard has become pretty much the default for all newly produced ARs.

Most all new ARs take more money and effort to set up for shooting now because you need to buy sights and generally rail covers unless you always shoot with gloves.

Since most guys aren't shooting with NV the rails usually just hold a front sight, though some guys just go straight to an optic with no iron sights at all, and the vast majority doesn't even mount a white light on the rail. Even glancing through the picture thread here you see tons of railed carbines with only a flip up front sight or no sight at all.

So, from a pragmatic perspective, what is the reason that most ARs are being built this way anymore?

Is it less costly to manufacture and assemble low profile gas blocks and rails over FSBs and plastic handguards?

Is it a false assumption that most buyers are attaching lots of devices to the rails?

Is the rail setup more durable than the old FSB setup?

Is it simply marketing or targeting what the consumer wants because those guns look cooler?

[Five_Point_Five_Six]

People like options? I mean we could all go back to 20" A2's and chicken wing stances but there's been some advances in technology and training in the last 50 years.

You can still find new rifles with a FSB and a delta ring if that's what you want. BCM, SOLGW, even PSA if you like them.

More rail allows a person to stretch their grip out a bit more. A carbine length gas system with a FSB is not ideal for me, even though I have a couple 11.5" guns setup that way. Mid length is much more workable, a 10.5" rail is even better.

They're lighter. That may or may not be a consideration for you. A 3 or 4 times a year shooter or someone that shoots from a bench a lot probably won't care about a few ounces, but a person that shoots and trains a bunch or that spends time carrying a rifle might.

A drilled and pinned FSB is certainly more durable, but a free float rail mounted front sight is probably durable enough 99% of the time. Back up irons are just that. Back up irons. Even the budget red dots like Primary Arms and Holosun have proven to be reliable enough to where the likelihood of them failing is quite low, as much as it pains me to say that as an Aimpoint fanboi. With so many running an LPVO or prism scope with an etched reticle, the likelihood of needing a front sight is even less.

I have guns setup with both. They serve different purposes and I don't see it as an either/or kind of thing.

[RUTGERS95]

marketing

precision is really only with faster follow up shot because a rig that's been dialed in is dialed in and the ff rail is not going to change that. My more accurate ARs are not ff but then again, I don't try to get precision out of the 5.56

I prefer the fsb for a variety of reasons

[Wake27]

marketing

precision is really only with faster follow up shot because a rig that's been dialed in is dialed in and the ff rail is not going to change that. My more accurate ARs are not ff but then again, I don't try to get precision out of the 5.56

I prefer the fsb for a variety of reasons

What? It’s not about inherent mechanical accuracy, it’s about limiting the external factors that will degrade that accuracy.


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[vicious_cb]

What? It’s not about inherent mechanical accuracy, it’s about limiting the external factors that will degrade that accuracy.


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That and his post makes no sense. What does precision have to do with faster follow up shots again?

[1168]

Marketing

Precision/accuracy perception

The ability to have as long as possible handguard for a given barrel length, which may or may not be valid in a world with Kinos and mock Dissys.

Mine wear sling mounts, front sights, white lights. They also wear rail covers, which I would need even with a non-float handguard, such as the KAC on the M4/M16A4.

[Renegade04]

Versatility.

Not all ARs are suited for everyone when it comes to configuration as far as options for mounting accessories, accuracy, and shooting position (how the weapon is held) is concerned. Free-float handguards provide the user a multitude of options. I have a variety of ARs, many of which are old school with FSBs and carrying handles. I have several more that are more new school with free-float handguards. I like the versatility that free-float handguards provide.

[Wake27]

You skipped the most important reason - you can load the handguard on a barricade without affecting POI.


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[turnburglar]

Most civilian shooter's operate operationally.


Not only is a free float hand guard required, but it must be a hodge wedlock so as to not affect NVG's and their zero.


The average shooter also has stock piles of mk262 so the precision requirements are very high. Cant have a POI shift while placing precision fire dynamically.

[vicious_cb]

You skipped the most important reason - you can load the handguard on a barricade without affecting POI.


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Winner winner chicken dinner, if you havent shot a Vtac barricade with 8 inches naked barrel sticking out I suggest people do this back to back compared with a longer FF handguard.