Weight and sizes The Element attaches do of the rifle sling pin and provides exceptional stability. Specially designed do attachment of quick-release bipod Picatinny do rifle. Normally, you would pay a lot more for this type of bipod mounting system of this quality. In addition, it is longer than others because we designed it with 3 slightly larger holes and will allow you to install more types of accessories do quick disconnect, e.g. Atlas QD* Handles and flashlights. In addition, longer length can avoid more possible interference. The item fits do most do suspension spiked rifles. We designed it to be very easy to assemble by hand and the mounting position on the rifle so that you can easily reach and attach the bipod. This item is the basis of our bipod mounting systems and rifle flashlight. However, it will not work with bipods other than QD with two ridges, e.g. Versions of Atlas Bipod Non-QD* without modification. Suitable do more accessories Longer than others because it has 3 slightly oversized slots and allows for more types of accessories do quick disconnect (bipod, laser, handles, optics) to meet your hunting needs. Better compatibility Large clearance between rail and extended pin to avoid interference, compatible with all pins with a diameter of 10,5mm or less. Better stability and safety With a rotating sling pin that fits do most rifles. This Picatinny rail with sling pin attaches do rifle suspension pin and provides exceptional stability. Also, the rubber base has great cohesion, and its insert fits do of the original swivel, ensuring stability and safety. Can be converted into Picatinny rail Designed,to convert the rotary pin into a Picatinny rail with 1 socket,specially do attachment of bipod Picatinny do quick disconnection do rifle,such as the famous bipod Atlas Style QD Quick Detach * (QD). 3 swivel screws included Includes 1/2 inch swivel screws, 3/4 inch swivel screws and 7/8 inch swivel screws, white spacers included. Made from carbon steel, it remains sturdy in the flask, providing a reliable lock for safety. Surface electrophoresis process, anti-corrosion, anti-corrosion. Provide 3 different ways to attach do rifle. cautions The right direction is to mount the side with the swivel pin on the back of the gun, and the direction of the Picatinny rail is to mount on the side of the barrel.