TACTLITE GEN2 AR-15/AR-10 MIL-SPEC BUTTSTOCK FITS: AR-15 / AR-10 or any Firearm with Military Buffer Tube. (Buffer Tube is NOT Included with this Stock) FEATURES: TactLite GEN2 Adjustable Rifle Stock M4 Style Weighs Only 6.20 Oz TracLOCK GEN2 System Provides Smooth Secure Stock Adjustments Eliminates Horizontal & Vertical Movement of the Stock on the Buffer Tube Locks Down Firm with One Lever - No Need for Secondary Locking Mechanisms No Interference with the Charging Handle No Snag Points X Series Thin Butt-Pad Non-Slip, Removable Upgrade to an X1 or X2 Recoil Reducing Pad! Less Recoil and Mfg: Advanced Technology