Atlas - Accuracy International Spigot Scope Mount The "STD" tool listed in

The "STD" tool listed in the dropdown is a replacement part

The main markers are placed every 0

motorcycles

To determine proper shell holder for your application please use the chart here

They will fit 5-H and Super CAL model Atlas Bipods

Atlas - Accuracy International Spigot Scope Mount The "STD" tool listed inThe Atlas Accuracy International Spigot (AAIS) Part number BT19 Is designed for use with the BT10 NC Atlas Bipod that mounts directly to the AAIS which plugs into the Accuracy International AI AICS stocks utilizing the factory retention release mechanism. The AAIS is constructed from 6061T6 Aluminum with a type II hard coat anodize mated with an alloy steel Spigot that is finished with a Manganese Phosphate. **Important** When installing the BT 19