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What’s the length of a quad rail handguard?
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The length of the quad rail handguard itself may be a bit shorter than this to accommodate the delta ring and will also vary depending on the form factor. – For extended length AR-15’s, the distance between the receiver and front sight/gas block is approximately 15 inches. It’s still popular with Military and Law Enforcement personnel around the globe, which means it’s still got a good upper hand. Mostly due to being an established and older style. Are quad rails out of style? Is a quad rail good?Īs of right now, Quad rails are still widely established as the norm. It seemed like every week a new manufacturer was coming out with a new length rail system or a new fastening system to make their quad rail unique and different. In the not so recent past the rise of quad rail systems was stunning to see. Is the quad rail obsolete? The answer to that question is a resounding YES. The length of your gas tube system should be clearly labeled by the manufacturer of your rifle or AR-15 upper. The size of the quad rail handguard you want to use will depend on the length of the gas tube system on your rifle. Carbines with barrels 14 to 20 inches long will deliver optimal results with mid-length gas systems. Mid-length gas systems: Mid-length systems are a little bit longer and measure in at approximately 9.5 inches. They also are a notably cleaner look imo, since you only have rails where you have an attachment, if you even need the rail at all. M-Lok/Keymod is notably lighter, slimmer, and much more comfortable. Quad rails are heavy, uncomfortable, and beefy.
Quad rail handguard carbine plus#
Plus there’s sometimes some blemished versions so you can save even more if you don’t care to have a “perfect” rail.
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What Quad Rail does the military use?īoth the M4 and the M16A4 feature “quad” Picatinny rail handguard systems made by Knight’s Armament Company that have remained in use since they were introduced in the early 2000s. Which is the best handguard for a M4 carbine?Ĭarbine-Length Carbine gas tubes are approximately 7.5 inches long, which means the handguards are approximately 6.5 to 7 inches long.What’s the length of a quad rail handguard?.How long is a carbine length quad rail?.