Exalt Vitamin G - Gun Grease Gas Pistols The outer diameter is 2

The outer diameter is 2 inches at base

Increased Efficiency The combination of the Even-Flow face and Techt's unique o-ring configuration allows the Hush Bolt to seal the routing of air directly through the face

Angel Custom offers the adapters for the Thunderstorm separate

Adjustable elastic straps with pull tabs

Exalt Vitamin G - Gun Grease Gas Pistols The outer diameter is 2Designed for all climate use in grease lubricated guns, in line & low pressure regulators Features: Synthetic long lasting formula prevents o ring wear, swelling and deterioration Provides the lowest coefficient of friction to reduce & eliminate bolt stick & first shot drop off (FSDO) Needle nose cap reduces waste and contamination Note that the Vitamin O is sold separately