The Tippmann Elbow Complete. Made for the Tippmann 98.
This product is used in the following guns: Alpha Black Basic, Alpha Black Tactical, Alpha Black E-Grip Electronic, Alpha Black Tactical E-Grip Electronic, Bravo One Basic, 98 Ultra Basic Non-ACT Platinum Series, 98 Custom ACT Platinum Series, 98 Custom Pro ACT Platinum Series.
The Tippmann Part Number for this product is 98-E.