Looking to squeeze the most accuracy possible out of your AR-15? The Brownells AR-15 Precision M-LOK Handguards are purpose-built from the ground up to get you the most out of your match rifle, all at a price you can afford. The key to the rigidity of each Brownells AR-15 Precision M-LOK Handguard is the use of a massive, precision barrel nut machined from solid steel. The nut measures 2.5 inches wide, providing an incredibly solid mounting surface for the handguard, which helps to reduce vibration and flexing. To help with mounting, the nut doesn't require any kind of specialized tool, and an included timing tool helps to ensure that the Picatinny rail running along the top of t Mfg: Brownells