Quick view Leupold Leupold Backcountry Cross-slot, Leu 171356 Ws 1 Pc Base Sauer 202 Sa Mt 20moa $35.31 Backcountry cross-slot bases are machined from 7075-t6 aircraft-grade aluminum for lightweight, rugged performance.Fits both picatinny and weaver-style rings.These 1-piece bases feature a 20-moa slope for long-range shooting applications.Type: 1-Piece... Compare Add to Cart