Inception Designs Stella PWR Barrel Back for PWR insert Color:Polished Black The FreeFlex Knee pad is

The FreeFlex Knee pad is uniquely designed to conform

Objective Diameter: 17x24mm

three position selector switch changes from electronic to mechanical operation on the fly

Manufacturer: Krytac

Enhanced Processor Timers (more accurate settings and performance)

Inception Designs Stella PWR Barrel Back for PWR insert Color:Polished Black The FreeFlex Knee pad isThis Stella barrel back is compatible with the PWR Inserts from Planet Eclipse and Inception Designs. It does not work with other insert systems from other companies. This barrel back is fully compatible with all Stella Barrel fronts. The new system uses specially designed inserts that maintain all the easy ball entry features of the Stella barrel. This allows the use of a single outer barrel back that can be more cost effectively matched to the gun