The Caldwell Pic Rail to M-Lok Bipod Adapter allows users with a Picatinny rail handguard to use more modern M-Lok accessories like bipods, flashlights, and more. Made with durable aluminum, this adapter will stand up to the forces without breaking like cheaper polymer adapters. Take advantage of today's new accessories and modernize your old rifle with the Caldwell Pic Rail to M-Lok Bipod Adapter. Features Durable aluminum construction securely holds accessories without breaking Converts Picatinny rail to accept M-Lok accessories like bipods, flashlights, and more