Seekins Precision Airsoft MCSR Rail System
Features Precision CNC machined from 6061 T6 aluminum 1 piece free float design 47mm inner diameter; ample space to accommodate most standard size suppressors Anti rotation tabs help align rail to your upper receiver and prevents it from accidentally backing out M-Lok slots at 3, 6, and 9 o'clock positions Weather resistant type III Class 2 hardcoat anodized finish Aluminum barrel nut and mounting hardware included Designed for Airsoft specifications only, will not work with real spec AR-15 barrels & receivers; please see our Seekins Precision page for real firearm model Mounting System: M-LokLength: 15"Compatibility: Airsoft M4 / M16 / AR15 spec rifles only; will not work on real firearm receiversMaterial: 6061 T6 AluminumManufacturer: EMG / Seekins Precision