Mossberg's Patriot Vortex Scoped Combos feature drop box magazines, recessed crowns, fluted barrels, spiral fluted bolt, streamlined bolt handle, Weaver scope bases, patented LBA user-adjustable trigger system. Crossfire II3-940 Riflescope with Dead-Hold BDC Reticle features long eye relief, a fast-focus eyepiece, fully multi-coated lenses and resettable MOA turrets. Clear, tough and bright, the hard anodized single-piece aircraft-grade aluminum tube is nitrogen purged and o-ring sealed for waterproof/fogproof performance. The Dead-Hold BDC Reticles customized hashmark design helps eliminate guesswork on holdover and windage corrections. Good at varying ranges where estimating holdover is a concern.