How Important is a Free Float Handguard on an AR-15 Anyway? (Oh, Dear.)

IMO barrel harmonics and stiffness are more important than whether its free floated or not.
not my original idea....people much smarter than me have explained the harmonics issue and I drink their coolaid.

Coming from an engineering background and having watched the slow-mo videos, I have a lot of respect for harmonics and vibrations and more importantly the way they can contribute to making things not work the way they're supposed to. ;)
 
If you just want a 50 or 100 yard carbine to shoot at the range no you probably don't need a FF handguard. If you want your rifle to be as accurate as possible, it is a good idea. There are many other benefits to a FF handguard, already listed. And "Mil Spec" does not have anything to do with lowest bidder. [wink]
 
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