07" Shark Series - Ultra Light M-Lok Free Float Handguard Black Install on 21mm picatinny mount

Install on 21mm picatinny mount base

Distance between middle turret parts to power ring: 58mm (2

Field of View:11

Eye relief: 80-75 mm (3

Click Value:1/10 MIL (1cm

07" Shark Series - Ultra Light M-Lok Free Float Handguard Black Install on 21mm picatinny mountSteel Barrel Nut seamlessly pre integrated with Ultra Light High grade handguard High quality aluminum alloy in durable mil spec style black matte finish Top flat picatinny rails 3 side M Lok around the body One piece CNC accurate construction Overall Length: 7 inch ID: 1. 3 inch Net Weight: 7 ounce Fit 223 556 rifle Use Mentium Shark Barrel Nut Tool,or other standard Armorer Wrench to install barrel nut, 35ft. lb Shark barrel nut should NOT be