Ohhunt® Gen2 AR-15 M16 Free Float Quad Rail Handguard 4" 7" 10" 12" 15"

Gen2 AR-15 Quad Rail Handguard New Ohhunt Gen2 Quad Rail Handguard Compared to the previous one, with more Smooth CNC Machining, No Sharp Edges, All the Cutout Edges are Beveled to Ensure the Safety for Handling. All Rails are Laser T-marked for Easy Accessory Location. Pre-Drilled at the End for the End Cap (Not Include), Keep Debris and Branches from Getting Caught Up in the Rail System. Type: AR-15 Handguard. Length: 4 inch, 7 inch, 10 inch, 12 inch, 15 inch. Finishes: Black Matte Hardcoat Anodized. Handguard Inside Diameter : 1.84'' (46.9 mm). Materials: 6061 Aluminum Alloy. Rail Type: Picatinny Weaver. No. of Rails: 4. Compatibility: Not Compatible with Bushmaster Carbon 15 rifles serial number E18000+ unless Bushmaster barrel nut is used. Includes: Quad rail handguard, Aluminum barrel nut, Castle nut, Anti-rotation set screw, Allen wrench. Aluminum barrel nuts are much lighter than steel barrel nuts, but they also have a lower torque capacity. We recommend using no more than 35 lbs. of torque when installing them, or the threads of the barrel nut may be damaged.