<b>The SHR9 provides your SMITH AND WESSON SHIELD 9MM AND SW40 with a compact picatinny rail, installation is simple, requires no permanent modifications to your firearm and takes minutes to install without the need for a gunsmith.</b> </br><br> Safety check your firearm, lock your slide back and follow the instructions provided while mounting to your frame with the supplied hardware. It's that simple. <br><br> <b>Features</b> <br><br>Gives your pistol a rail<br><br>Compatible with smaller pistol accessories such as compact lights and lasers <br><br> Simple installation <br><br>Won't damage your firearm<br><br>Glass reinforced polymer<br><br> <br><b>WILL NOT FIT ON A SHIELD 45</b>