Welcome to our store！</br> 1、Allowing to convert 11mm to 20mm rail. 2、20mm top rail allows installation of scope, sight, torch, laser. 3、Constructed of premium aluminum alloy material, strong and solid. 4、Easy to install and quick to detach. 5、Perfect for hunting, airsoft, war game, military. <strong><span style="color:#009900;font-size:16px;font-family:Arial;">Features:</span></strong> <ul> <li> <span style="font-size:16px;font-family:Arial;">Allowing to convert 11mm to 20mm rail.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">20mm top rail allows installation of scope, sight, torch, laser.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Constructed of premium aluminum alloy material, strong and solid.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Easy to install and quick to detach.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Perfect for hunting, airsoft, war game, military.</span> </li> </ul> <strong><span style="color:#009900;font-size:16px;font-family:Arial;"> Specification:</span></strong> <span style="font-size:16px;font-family:Arial;"> Condition: 100% Brand New and High Quality</span> <span style="font-size:16px;font-family:Arial;"> Material: Aluminum Alloy</span> <span style="font-size:16px;font-family:Arial;"> Color: Black</span> <span style="font-size:16px;font-family:Arial;"> Length: Approx. 100mm/3.93inch</span> <span style="font-size:16px;font-family:Arial;"> Height: Approx. 20mm/0.78inch</span> <span style="font-size:16px;font-family:Arial;"> Top Picatinny Rail Width : Approx. 20mm/0.78inch</span> <span style="font-size:16px;font-family:Arial;"> Bottom Dovetail Rail Width : Approx. 11mm/0.43inch</span> <span style="font-size:16px;font-family:Arial;"> Weight: Approx. 67g</span> <span style="color:#009900;font-size:16px;font-family:Arial;"><strong>Packing List:</strong></span> <span style="font-size:16px;font-family:Arial;"> 1 x 11mm to 20mm Rail Base Adapter</span> <span style="font-size:16px;font-family:Arial;"> 1 x Wrench</span> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>