Grey Ghost Precision AR-15 M-LOK Handguard

Grey Ghost Precision AR-15 M-LOK Handguard. Extruded from 6061-T6 Aircraft Grade Aluminum and finished with True Black Type III Class 2 Hard Coat Anodizing. Inner diameter 1.31 in. Uses a non-proprietary barrel nut that does not require timing; tighten to 65 ft-lbs and slide over upper until flush. Left and right index tabs prevent twist. Includes non-proprietary barrel nut and two fastening screws. Full-length Picatinny top rail with engraved numerical T-markings. M-LOK attachment slots at 3, 6 and 9 o'clock with forward slots at 1 and 11 o'clock. Compatible with forged upper receivers and most billet uppers. Does not include wrench; barrel nut compatible with standard armorer's wrench. Package contents: Grey Ghost Precision AR-15 M-LOK Handguard, Non-Proprietary Barrel Nut, Two Fastening Screws.\n\nAvailable in multiple lengths: 7.25 in, 9.25 in, 12.625 in, 15 in, 17 in.