The Konus-BX includes a quick change turret calibrated for the 450 Bushmaster load (2200 FPS). It features full multi-coated lens, 30/30 Duplex reticle and solid one piece construction.
Specifications:

Magnification	3-9x
Objective	40mm
Field of View	14.70 - 41.20 ft @ 100 yds
Eye Relief	3.60"
Tube Diameter	1"
Length	12"
Weight	16.90 oz
Reticle	30/30 Duplex
Parallax Adjustment
Adj Size
Exit Pupil Range
Proofs
Coating Type
Optic Coating	Multi-Coated
Optic Coating