Saber Tactical Universal Picatinny To Arca LargeEffortlessly attach our Arca Swiss rail to your existing Picatinny rail to extend your bipod rail. Featuring T slots on both sides, it allows convenient attachment of T slot M Lok accessories for added versatility. Key Features: Constructed from durable 6061 T6 aluminum with a sleek black anodized finish Requires a 4mm hex key for easy loosening and tightening of the clamp Equipped with 1 4 20 threads for seamless connection to common camera tripod