![lightweight quad rail handguard lightweight quad rail handguard](https://vtsupply-com.3dcartstores.com/assets/images/products/M4carbine.jpg)
Compatibility: Not Compatible with Bushmaster Carbon 15 rifles serial number E18000+ unless Bushmaster barrel nut is used.You can get an Extraordinary 7 Off Discount deals and Save US 0.89 when you purchase this product in Sale Today at Aliexpress. Includes: Keymod, free float, quad rail handguard, aluminum barrel nut, castle nut, anti-rotation set screw, Allen wrench, and two 5.3 Inch/13 Slot Keymod Picatinny Rails. Buy Tactical Airsoft AR-15 M4 Handguard Carbine 6.7 Inch RIS Quad Rail 2 Piece Drop-In Picatinny Mounting Rifle Hunting Accessories from Seller Aimmind Store with affordable price and top guarantee on Cicig.For questions regarding fitment or installation, please refer to our AR-15 quad rail guides and installation guides. Please note that installation of a free float handguard requires additional gunsmithing tools and expertise. We recommend using no more than 35 pounds of torque during installation. Note that the aluminum barrel nut is significantly lighter than steel barrel nuts, however it may be subject to damage during installation.
![lightweight quad rail handguard lightweight quad rail handguard](https://www.at3tactical.com/wp-content/uploads/at3-tactical-spear-mlok-free-float-handguard-15-Inch-all-colors.jpg)
The free float handguard attaches directly to the receiver, without touching the barrel or impacting barrel harmonics, thus allowing for more precise shooting. It installs on standard length AR-15 rifles and the universal Keymod rail platform accepts all standard Keymod accessories.
![lightweight quad rail handguard lightweight quad rail handguard](https://static.larue.com/media/images/railcomparison_lg-fa0dc.jpg)
Our 16.5 inch ultra-lightweight composite Keymod, free float, quad rail handguard was b uilt for longer barreled AR-15s, it extends further down the barrel, providing more rail space and more flexibility in accessory or hand placement.