Red DOT Sights, Rifle Scopes, Light manufacturer / supplier in China, offering M-Lok Free Float Handguard with Steel Barrel Nut 12" 15" 17", Red DOT Sight Top Supplier Combo Night Vision Thermal Green Red Laser Scope Mount Lpvo Ffp Prism Optics Tactical Hunting Scopes, Quad Handguard All Edges Are Round and No Any Sharp for Series Huntings and so on.