Sig Sauer MCX/MPX PDW Grip, Black. This OEM factory original grip is crafted from high strength black polymer and crafted to fit the MCX/MPX pistol platform chambered in 9mm, .223 Rem, 5.56x45mm, and .300 Blackout. This quality Sig grip features detailed stifling and barricade indents for a smooth and firm point of contact during operation. This piece is perfect as an upgrade, replacement, or for the next workshop project. Still sealed in factory package. Just never needed to use it. $20 local pickup or $25 shipped.