RugerA(R) 10/22A(R) Picatinny Scope Mounts - Scope Mount Rail, .500''''

Tough, lightweight aluminum rails feature Picatinny slot spacing for fast, simple changes to eye relief, plus greater flexibility in scope choice. Three height choices fit various objective sizes, or improve cheek weld. Extends over the barrel, or can be reversed to better position optics with shorter eye-relief. Uses the factory-drilled scope base holes, with no permanent alteration to your rifle. Mfg: Dlask Arms SPECS: Aluminum, hardcoat anodized, black. 5-1/2" (13.97cm) long; .375" (.95cm), .500" (1.3cm) tall.