Rapidly secure your gun with a Really Right Stuff USR Universal SOAR Rail, no matter what you throw at it. With R-Lock divots drilled on each side of the rail, you can set it up ambidextrously to adapt to any situation. Four mounting options to choose from to secure it to your rifle. Endless flexibility to attach clamps and more to your rail; like attaching a bipod while still set on your tripod. R-Lock R-LOCK (short for Rapid-Lock) System adds unique safety-stop features which are built in to both a mounting rail and quick-release clamp that adhere to the RRS 1.5" Standard. The advantage of the System is the user has multiple "hard-stop" positions along the rail while retaining smooth edges and corners for maximum ergonomics and a snag-free interface that is inherently resistant to wearing down. The "hard-stop" feature is comprised of a 5mm diameter steel pin that engages 5.5mm diameter holes in the rail. In addition to supplementing the traditional friction-based clamping mechanis...