Aero Precision AR15 12IN Quantum M-LOK Handguard - Anodized Black (w/ BAR Barrel Nut)

Aero Precision APRA400104A: Aero Precision\'s Quantum Series M-LOK Handguards minimize bulk while providing an adaptive free float design that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission. Machined to exacting dimensions from 6061-T6 aluminum it is the perfect handguard for your next AR15 build. Features: Designed to work with Aero Precision\'s M4E1 Upper Receiver 1pc free float design Removable 4-slot picatinny rail section for front sight Built in anti-rotation tabs 8 mounting surfaces for M-LOK accessories 1.78\" inside diameter fits most muzzle devices and 1.5\" suppressors Compatible with low profile gas blocks Made in the USA Are you attaching this handguard to a standard threaded upper receiver? This sku includes a BAR Barrel Nut and shims necessary to install this handguard on a standard, threaded upper receiver. *Please note - This handguard is specific to the AR15/M4E1 platform. It is not compatible with the M5 .308/M5E1 platform. May not be compatible with all offset sights. *Polymer front Magpul MBUS sights may require modification to the sight for installation.