Shop › ALLEN DURANGO ENDURA SLING BLK/GRAY ALLEN DURANGO ENDURA SLING BLK/GRAY $12.99 Allen Company Endura Sling, Rugged Fabric Construction, Matte Finish, Black and Gray, Includes Sling Swivels 8545 Add To Cart Added! Allen Company Endura Sling, Rugged Fabric Construction, Matte Finish, Black and Gray, Includes Sling Swivels 8545