NcSTAR Vism M and P 15-22 Keymod Free Float Handguard Black 15 in Length. Top surface is a Picatinny Rail at AR15 receiver height. The other 7 sides are KeyMod slots. Specifications for NcSTAR Vism M and P 15-22 Keymod Free Float Handguard: Manufacturer: NcSTAR Color: Black Finish: Anodized Fabric/Material: Aluminum Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P 15-22 Gun Type: Rifle Handguard Type: Free-Float Gun Rail: KeyMod Condition: New Included Accessories: Handguard Spacer Handguard Adapter Insert M&P 15-22 Barrel Nut Wrench/Free Float Barrel Nut Short/Medium KeyMod to Picatinny Accessory Rails Mount Type: Picatinny Quantity: 1 Package Contents: NcSTAR Vism M and P 15-22 Keymod Free Float Handguard NcSTAR VMP22FFKMR: Vism M and P 15-22 Keymod Free Float Handguard Black 15 in Length