This Micro Conversion Kit is a lightweight and sturdy platform for Sig Sauer handguns. It has a barrel shroud made of aluminum with a polymer body. The extended stabilizer, which now comes standard, enables one-handed firing for better shooting performance. It also comes with a Velcro strap fastener which provides a custom fit to any user. It features a top picatinny rail, side picatinny rail, right-folding stock arm brace, front spare magazine holder, and a built-in charging handle. This model has a black finish.