This adaptive sleeve let you attach the MCS's T15 Lok Bolt Auto Cocker thread and T15 Barrel Adapter Auto Cocker Thread to a SAR12 Paintball Gun
Compatible to these adapters:
Barrel adapter: https://mcsus.com/products/t15-autococker-barrel-adapter
Lok Bolt: https://mcsus.com/products/t15-paintball-gun-lok-bolt?variant=40323976003663