Check the listing for details. First Strike Tiberius Arms T15 Barrel Adapter - Spyder Threaded NEW. Condition: New. Listed at 29.95 USD. First Strike / Tiberius Arms T15 Barrel Adapter - Spyder Threaded The First Strike T15 Barrel Adapter allows for the use of after market barrel systems with the First Strike T15. The First Strike T15 Barrel Adapter is a one piece unit providing a T15 rear design for mounting to your marker and a standard thread type for an aftermarket barrel. Take advantage of the ability to rotate between hopper and magazine fed options while using your favorite after market barrel with the First Strike T15 Barrel Adapter! Being sold by reputable paintball dealer (PB Sports) Payment may be made by PayPal, MasterCard, Visa, Discover, or American Express. If you want to pay with credit card outside of Paypal, select credit card at checkout, then call us to arrange payment. FREE Standard Shipping! Upgrade to USPS Priority Mail for only $3.00 more! $9.95 for UPS Ground in 48 states. We Do Not Ship Outside the United States, sorry.