The 1301 comp pro includes a new polymeric stock with the kick-off plus system which effectively mitigate the first recoil peak reducing the perceived recoil by up to 40%.An elastomer dampener located in the stock bolt absorbs the impact of the slide against the stock thus reducing the second recoil peak muzzle jump and any vibrations caused by the movement of the slide.Stock Description: Fixed Kick-OffAction: Semi-AutoGauge: 12 GaugeBarrel Length: 21"Capacity: 2+1Chamber: 3"Choke Configuration: Optima-Choke HP Black EditionBarrel Description: 21" Vent Rib SteeliumSights: Fiber Optic FrontBarrel Length Range: 21" to 21.99"Hand: RightStock Finish Group: Black