OPTIONAL RAILS & ACCESSORIES SOLD SEPARATELY (see Compatible Products for this model):
Over-all length: 9.18" 
 Weight with hardware: 8.7 oz. 
 Includes: Handguard, Clamp, and Hardware 
 Inside diameter: 1.75"; .925" ABOVE CENTER OF BORE, .825" BELOW 
 Outside diameter: 1.970"
Apex AR15 Handguard Compatibility Chart & Q&A
• Top rails, sold separately, mount only to the 12 o'clock position (see Related Products for this model)
• Accessory rails, sold separately, mount to 7 positions at 45-degree intervals to encourage air movement over barrel and gas tube (see Related Products for this model)
• M-LOK compatible
• Four built-in quick detach sling swivel mounting holes eliminate the need for a rail-mounted sling swivel
• MIL-SPEC hard anodized aluminum, matte finish
• All steel hardware is BLACKNITRIDETM coated to resist corrosion
• The Apex Handguard including hardware is 100% made in the USA
 
     
                     
                 
                         
                         
             
             
             
             
             
             
                         
                         
                         
             
                         
                         
                         
             
                         
                         
                        