ris mlok SI gridlock 11 inch handguard cnc front sight flip aeg gbbr

RIS SI Gridlok Handguard With Integrated Front Sight Full Metal CNC Full modular colorways with integrated backup sights Spring-loaded detach lever for quick removal Improved barrel nut material versus traditional steel Customizable barrel nut shroud and front top and bottom rail Front top rail can be removed to accommodate A2 sights set-up Integrated QD mount RailLok accommodates both Picatinny and M-LOK accessories warna Black Red size 8.5” Length 220mm 11” Length 280mm Mil-Spec AR-15 Upper Receivers AEG GBB