Seekins Precision 0010530039 SP3R Rail System AR-15 Black Matte Anodized 6061-T6 Aluminum 15" Picatinny/M-LOK
The SPR3 Rail System features a full length Picatinny rail, front and ear QD sling attachments and a flat bottom rail that offers a stable shooting platform. It is a free-float design. This model features M-Lok slots. *Note- this model is NOT compatible with the Ruger Precision Rifle without purchasing the Ruger Mounting Nut and is not AR10 Platform compatible.