![]() You can use a level to ensure that the handguard’s top rail is correctly aligned with the top of the upper receiver. Loosen the lock ring and thread the quad rail handguard onto the barrel nut. When you retighten the barrel nut, ensure that the hole in the upper receiver for the gas tube is aligned with the hole in the barrel nut. Perform this action a total of three times to ensure that the threads are perfectly mated, verifying alignment throughout. Tighten the barrel nut again to 30 ft-lbs of torque and loosen again. Remove the torque wrench and loosen the barrel nut with an armorer’s wrench. Using a torque wrench, tighten the barrel nut using 30 ft-lbs of torque. Tighten it on the upper receiver using an armorer’s wrench. Unscrew the barrel nut from the handguards and slide it over the barrel with the lock ring facing toward the upper receiver. If your quad rail handguard comes with its own barrel nut, you’ll need to install this. Clean and inspect the upper receiver threads. Using an armorer’s tool, loosen and remove the delta ring and barrel nut. Place the upper receiver in a vice using vice blocks to avoid damaging the aluminum or marring the finish. If you have a nylon or rubber mallet, a wooden block, or another object that’s softer than the steel, you can use that to encourage it. You can expect the gas block to offer resistance, so you may need to help it. Remove gas block/sight assemblyĪfter driving out the three pins, you can remove the barrel’s gas block and sight assembly. Once you’ve removed the pins that hold the gas block in place, you can drive out the roll pin that retains the gas tube in place. These pins keep the gas block/sight assembly attached to the barrel. You should use a punch to drive the two barrel pins out. However, if your rifle is equipped with a low-profile gas block, this step may not be necessary.Ī sight block can be useful but isn’t strictly necessary. If your rifle has a mil-spec gas block/front sight, you’ll need to remove it to slide the free floating handguard over the barrel. Ensure that the muzzle device is not pinned to the barrel to meet the legal length requirement. Unscrew the flash suppressor/flash hider from the muzzle using a wrench. This can simplify the removal process, especially if you have a vice. Pull out the front takedown pin and separate the two receivers. Retract the charging handle and remove the bolt carrier group from the upper receiver. Using a pin punch, cartridge tip, or another tool, press the rear takedown pin in and pull it out. You can use a handguard removal tool to perform this action, which compresses the delta ring to detach the handguards from the rear. If your rifle is equipped with traditional circular two-piece handguards, you’ll need to remove these. You’ll need to perform the following actions: Remove the factory handguards If you’ve googled “How to install free float quad rail on AR-15?” you’ll find that the process is not insurmountable. Ideally, you should verify the status of the chamber both visually and by feel-i.e., insert your little finger into the chamber to verify that it is unloaded. Retract the charging handle and inspect the chamber. ![]() While holding the rifle in your dominant hand by the pistol grip, with the muzzle pointed in a safe direction, depress the magazine catch and remove the magazine. If you have the correct tools and follow instructions carefully, it’s relatively simple.īefore removing your existing handguards or disassembling the rifle, you should clear it, ensuring it is unloaded and safe to handle. Installing a free floating handguard is not an overly complicated task. The handguard features four rails in the quad configuration - one at 12 o’clock, 6 o’clock, 9 o’clock, and 3 o’clock. You can attach accessories directly to the rail, providing nearly endless customizability. You may be asking, “What is a quad rail?” The MIL-STD-1913 Picatinny rail is a popular mounting system for small arms, standardized in 1995. The first is that the free floating handguard can improve inherent accuracy by promoting uniformity in barrel vibrations, because it doesn’t touch the barrel.Īnother is that you can fully accessorize your rifle by using a quad rail interface, attaching different sighting systems, vertical or horizontal foregrips, flashlights, laser aiming modules, and bipods. Whether you’re building an AR-15 or modifying a factory-assembled rifle, a free floating quad rail handguard offers numerous advantages over the traditional two-piece mil-spec handguards.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |