Is the quad rail obsolete? The answer to that question is a resounding YES.
Why are quad rails obsolete?
Why does the military still use heavy, bulky quad rails on their M4's? - Quora. Because paper thin aluminum tubes with Keymod or M-LOK holes are too fragile for the rigors of infantry combat.
Does the military still use quad rails?
Both 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.
Is a quad rail good?
As of right now, Quad rails are still widely established as the norm. Mostly due to being an established and older style. It's still popular with Military and Law Enforcement personnel around the globe, which means it's still got a good upper hand.
What are drop-in handguards?
Drop-in handguards are simple systems that are easily installed and removed from your AR system. Essentially, a drop-in handguard is two pieces of rail or shielding that are held together around the barrel of your AR by a device called the delta ring.Jan 6, 2020
What is the difference between Drop-in and free float handguard?
Due to their design, drop-in handguards are only held in place by pressure from the delta ring assembly and the handguard cap, so they tend to move a bit when installed. In contrast, free-floating handguards won't move at all when installed securely to the barrel nut and don't touch the barrel at all.
How long is an M4 rail?
Color: Black
----------------- --------------
Fabric/Material: Aluminum
Gun Model: M16, M4, AR-15
Handguard Length: 6.5 in
Gun Rail: Picatinny
How long is a standard AR 15 handguard?
15-inches. Intended mostly for rifle-length gas systems, it's perfectly usable on any standard length gas system. Generally, these will only be used on barrels that are 16-inches or longer and are probably the most common length for handguards.
How long should my AR handguard be?
The handguard should extend from the front of your upper all the way to the gas port, wherever that hits toward the end of the barrel. So, generally speaking, if you want to change to a shorter or longer handguard rail, you will need to change out your barrel and gas system accordingly.Sep 1, 2017
Is the M4 free float?
Free-floating tube rail systems Both 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.
What is a free-floating rail?
Free float handguards are another option. These handguards are directly attached to the rifle's upper-receiver. In other words, they do not touch the barrel hence the words 'free float'. Though free float handguards can be a little on the pricey side, the cost is well worth it.