The Caldwell Picatinny Bipod Adaptor 535423 quickly and easily attaches to a picatinny rail. Any standard bipod or sling can then be attached to this Adapter from Caldwell thanks to the integrated swivel stud. The Caldwell Bipod Picatinny Adapter has a curved "fore-end style" profile that assures the perfect fit for the bipod to mate with. Light weight yet durable machined anodized aluminum construction provide durable and reliable performance. Two integrated fasteners ensure a secure attachment that won't rattle loose during heavy use. For a great way to make sure that you can easily attach your bipod to your favorite weapon, choose the Caldwell Bipod Adapter for Picatinny Rails.