In addition to inheriting the technical functional and aesthetic features of its predecessor, like the Steelium Optimabore HP barrels, the Microcore pad, the solid-base top rib, the doublefenced top of the receiver and the selected european walnut wood with the enhanced BTS oil finishing process, the new 691 introduces three interesting features. Barrel length (in)28/30/32Barrel TypeSteelium Optima Bore HPChamber (mm)76Chamber (in)3"ChokeOCHP ExtendedFore EndSchnabel / BeccoGauge12Recoil PadMicrocore 18mmTriggerMonogrilloWeight unloaded (g)3400Weight unloaded (OZ)120