Magpul Industries Barricade Stop for M-LOK Rail Black Polymer. The Barricade Stop is constructed of a polymer body and a textured QPQ ferritic nitrocarburized steel plate insert for confident contact with your shooting rest. The metal plate is slightly curved for optimized contact on uneven surfaces and provides the ability to pivot your firearm while maintaining contact. It is also removable allowing it to be replaced after wear. One polymer body a textured metal insert and 2 sets of M-LOK hardware are included. Compatible with octagonal M-LOK Handguards Specifications for Magpul Industries Barricade Stop for M-LOK Rail: Manufacturer: Magpul Industries Fabric/Material: Polymer Condition: New Gun Make: Universal Package Contents: Magpul Industries Barricade Stop for M-LOK Rail Magpul Barricade Stop for M-LOK Black MAG1295-BLK