The Lion Claw Barrel And T15 Lok Bolt Como Kit.
Kit includes:
1 x Barrel (optional length of the barrel from end to end) https://mcsus.com/products/lion-claw-barrel-cocker-thread-22mm-muzzle-threads-length-3-4-5-6-7-8-9-10-11-12-13-14-15-16-18-20-inch
1 x T15 Lok Bolt https://mcsus.com/products/t15-paintball-gun-lok-bolt
Compatible with all these Muzzles and Suppressors (Links)