The MDT 3 Round Polymer AICS magazines were designed for use with the new MDT HNT26 Chassis System, giving hunters an optimal round count while mounting flush in the hunting chassis to eliminate unwanted snag points. AICS profile magazine Low profile (flush mounts on MDT HNT26 Chassis System) Curved bottom profile to match well with curved stock profiles Glass-reinforced polymer case construction Capacity: 3 rounds COAL: 2.85" The MDT Polymer Magazine SA 3 Round is compatible with the following short action calibers: .308WIN family of cartridges (6.5 Creedmoor, 243WIN etc) The MDT Polymer Mfg: Mdt