Winchester 70 Picatinny Rail Scope Mount --EGW Winchester 70 Standard/Long Action zero MOA.., Picatinny cross slots run the full length of the rail, which gives the shooter flexibility when mounting scope rings and other accessories., weighing in at 2-3 ounce on average.The middle spread is the distance between the 2 middle holes, center to center, on your receiver, The middle spreads on this Winchester 70 mount is