ECS1 Color:Black *The UNI ZIP does not

*The UNI ZIP does not include a ModButton Lite and requires one to function

With the RCM Heavy you focus less on getting rounds in the gun and more on getting them down range

The ECS1 (Enhanced Control Surface) Knob for SwitchView magnification levers* delivers a comfortable improvement to ergonomics in a compact package

For the Polymer APC45 lower that uses Glock magazines select the Polymer GLK 10 Lower

ECS1 Color:Black *The UNI ZIP does notThe ECS1 (Enhanced Control Surface) Knob for SwitchView magnification levers* delivers a comfortable improvement to ergonomics in a compact package. The ECS1 Knob fits most Standard 3 Hole SwitchView levers including Sig Tango6 and Vortex Razor Levers and is only 1 5 longer than the original SwitchView lever. Featuring HRF grip texture along the body and a concave top, the ECS1 Knob provides better dexterity and gives the user more control over the