12" Slim Keymod Free Float Handguard,with Steel Nut 308 rifle

12" Slim Keymod Free Float Handguard,with Steel Nut 308 rifleSteel Barrel Nut, T6061 High Grade Aluminum body, black anodized for durability 2 piece of 7 slots picatinny included Overall Length: 12", Inside diameter : 1. 4". Net Weight with barrel nut : 0. 9 lb Work with standard 0. 223 5. 56. Not compatible with 0. 308 system Use Mentium Slim Barrel Nut Wrench, or other standard Armorer Wrench to 35 ft. lb Ship by USPS 2 3 days Priority mail Require low profile Gas Block ( <1. 5" overall height ) Click here

Optics Coating:Fully-multi coat diamond clear

4mm one inch

Rain Proof and Fog Proof

1/8" Finger Adjustment

Exit Pupil: 8

Net Weight: 8 ounce

Super Sharp Clear by Using Germany Glass & Optical System

Eye Relief : 76

Battery:CR2032

Eye Relief: 70-80 mm (2

Feature 1 MOA windage and elevation adjustments with audible click

If this distance is the same as the rifle receiver