GG&G Extreme Duty Bipod Adapter For M14/M1A. GG&G Extreme Duty Bipod Adapter Rails come in a variety of styles for light and heavy caliber applications so you can attach a bipod to your favorite carbine or rifle. These bipod adapters are precision machined from 6061 T6 billet aluminum and Type III hard anodized matte black to meet mil-spec. Each model of GGG Extreme Bipod Mount includes all the miscellaneous mounting hardware and pins required for specific applications; accessory hardware is manufactured from steel and coated as needed. Available models of GG&G Extreme Duty Bipod Rails include: GGG-1242: T Slot Bipod Adapter GGG-1243: M14/M1A Bipod Adapter GGG-1244: AR-30/AR50 Bipod Adapter GGG-1246: PSS Bipod Adapter Specifications for GG&G Bipod Adapter Mounts: Material: 6061 T6 Aluminum Finish: Type III Hard-coat Anodized Matte Black Features of GG&G Adapters for Bipods: Mil-spec standards Mounting hardware included Options to fit numerous bipods and configurations Package Contents: GG&G Extreme Duty Bipod Adapters GG&G Extreme Duty Bipod Adapter For M14/M1A GGG-1243