An ERGO grip style ambidextrous vertical forward grip attached to an anodized XPRESS Nut Mounting Base. Uses the same ERGO style grip as the strong hand. Very similar to 4009, 4010, and 4011 in form, fit, function, and aesthetics.Features:Ambidextrous forward grip attached to anodized mounting baseFits Picatinny rails with nut/clamp bar mountAll NFA Rules Apply*Dual Use, compatible with rifles and shotgunsWeight 0.45 lbsDimensions 20 A- 2 A- 5 in