ERGO Grip AR-15 M4 Forward Rail f/Front Sight Base 4850. Installs onto A1/A2 front sight base locking inside the front sight and requiring no modification to your firearm. The Ergo M4 Forward Rail allows for attachment of Picatinny rail mounted...
ERGO Grip AR-15 M4 Forward Rail f/Front Sight Base 4850. Installs onto A1/A2 front sight base locking inside the front sight and requiring no modification to your firearm. The Ergo M4 Forward Rail allows for attachment of Picatinny rail mounted...