PICATINNY RAIL
FEATURES:-Machined from 6061-T6 extruded aluminum-Matte black finish-For Remington 700 Short Action, 722, 40x-0 MOA-Center Spread: 3.627"*-Overall Length: 6.276"-Height: .400"-Mounting Hardware: Hex head screws & wrench provided-Installation: EGW recommends 20 inch lbs. of torque & a drip of blue Loctite-Will not fit Howa 1500 or Weatherby Vanguard*The center spread is the distance between the two middle holes, center to center, on your receiver.