Constructed of rugged steel, the slot and spline design comes in 1-Piece and 2_Piece configurations.
Mark 4 bases accept Mark 4 rings, cross-slot rings and QRW/PRW rings.
AR-15/M16 model specifically designed for use with handle mounting configurations.
Mark 4 Super High rings specifically designed for use with flat top mounting configurations.
1-Piece bases have a 1/4 degree (15 MOA) slope for long-range shooting applications. Mark 4 bases are available for nearly every long-range tactical weapon in use.
Leupold Mark 4 Aluminum Rings In the field, you count every ounce of weight, because you've got to carry it. Mark 4 Aluminum mounts are machined from a single piece of aircraft-grade aluminum, so they're incredibly strong, yet lightweight.