Grey Ghost Precision AR-15 M-LOK Handguard

Grey Ghost Precision AR-15 M-LOK Handguard is a 6061-T6 aluminum handguard finished in Type III Class 2 hard coat anodized black. Inner diameter is 1.31 inches and it uses a non-proprietary AR barrel nut that does not require timing. Handguard features M-LOK attachment slots at 3, 6, and 9 o'clock with forward M-LOK slots at 1 and 11 o'clock, and a full length Picatinny top rail with engraved numeric markings. Includes a non-proprietary barrel nut and two fastening screws. Compatible with forged upper receivers and most billet upper receivers. Note that a barrel nut tool is not included; it is compatible with a standard armorer's wrench. Package contents: Grey Ghost Precision AR-15 M-LOK Handguard, Non-Proprietary Barrel Nut, Two Fastening Screws.