AXIS PICATINNY RAIL
FEATURES:-Machined from 6061-T6 extruded aluminum-Matte black finish-For Savage Axis/Axis II (formerly the Savage Edge) rifle-0 MOA-Center Spread: 4.321"*-Overall Length: 7.458"-Mounting Hardware: Hex head screws & wrench provided-Installation: EGW recommends 20 inch lbs. of torque & a drip of blue Loctite*The center spread is the distance between the two middle holes, center to center, on your receiver