Standard Conversion Kit For Sig Sauer Features 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 Flat Dark Earth finish. Standard Conversion Kit For Sig Sauer Specifcations Model:MCK Series:Standard Conversion Kit Stock Finish:Flat Dark Earth Style:Folding Stock Material:Synthetic Barrel Finish:Black