Gas Block 0.75"Low Profile Steel-NB750 223 Free Float Handguard

Gas Block 0.75"Low Profile Steel-NB750 223 Free Float HandguardMachined from steel and black nitrided for durability One of the top quality low profile gas block in the market Very solid with precision CNC crafting Weight : 1. 5 oz Length : 1. 28 in Width : 0. 9 in Overall height : 1. 46 in Distance between Center of bore to Top of gas block : 0. 86 in ID: 0. 75 in This gas block include the following : 2 x set screws 1 x hex keys 2 x roll pins

Cantilever Weaver Mount

Diopter adjustment at ocular lens

Turret with re-zero feature: after zero set

Ultra wide field of view£¬ 8 reticle choices£¬ Color change as quick as a button push£¬Uses mulituple power sources£¬Parallax perfect paralax correction£¬ 120 hz cet Led Refracting Diode for a seemless reticle view£¬ Powered by the most powerful force in the universe the Sun

Eye Relief: Free

Field of View (M@ 100M):15

Fits 223/556 series Upper Receiver with 1-1/4" 18 TPI thread

Side Focus: 10

Excellent for rapid-shooting and moving target£¬ Fit for Real Fire Caliber and Ammunition and Auto Brightness System

Ship by USPS First Class mail

Side Focus Range:10

Bore Diameter: 9mm