CALDWELL SHOOTING SUPPLIES PICATINNY RAIL TO M-LOK BIPOD ADAPTER 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. Mfg: Caldwell Shooting Supplies