The kit includes one M-LOK Hand Stop

The upper rail extending from the handguard features flip-up front and rear sights

Including plastic nozzle valve

Rear sight is detachable

Front map pocket with snap

AR15 Armorer's Barrel Wrench - Gen 2 Sig Air The kit includes one M-LOKAR15 Armorer's Barrel Wrench Generation 2. Combo tool with many New Features Tools to work and upgrade your AR 15 M4 M16 Barrel Wrench for GI Barrel Nut, Free Float Barrel Nuts with GI spacing, DD Barrel Nuts, and YHM ( 1") Spanner wrench A2 (") and 5 8 Flash Suppressor wrench, M4 Collapsable Stock Castle Nut wrench, A2 Buffer Tube Wrench Flat Blade Screw Driver for A2 Buttstock Plate, 1 2" and 3 8" Drive Compatible, Lower Receiver Push Pin Tool 1 4"