Atlas - Accuracy International Spigot Modular Screw in special "Pilots" are

Screw in special "Pilots" are needed to anneal cartridges in the Annealing Made Perfect machine

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The sling swivel stud is detachable from the revolving coupling cylinder in the handstop

Atlas - Accuracy International Spigot Modular Screw in special "Pilots" areThe 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