USGI M1 carbine type III sling and oiler. The oiler is designed to hold the end of the carbine sling in the buttstock while the other end attaches to the barrel band. This replica is nearly identical to the original government issue sling and oiler. Sling overall length is adjustable between 22" and 37.5", 1" width. Oiler specs : overall length 2.30 " , 0.44" diameter.