Strike Industries ARPSABK Picatinny Stock Adapter Black Anodized for ARPlatform

The strike ar picatinny stock adapter mechanism threads into a standard ar rear 1 3/16"-16 hss right hand thread and has an anti-loosening detent that is very positive and tactile while keeping the rear detent spring captured for the rear takedown pin.The 1913 picatinny section of this adapter includes a 4-slot rail section.As an added feature there is a 360 free swivel qd socket that the user can orientate to either left or right side to best configure the preferred setup.Compatible with major