Hi Guys;
Anyone have Info; on trying to put these things together.

Now Im Pretty Good at Jig-saw Puzzles; But these Two items came with No Instruction's

The live Resin was Item #35240 RCWS W/50 cal MG !!!! And the RB item # is 35B13 replacement barrel; The Barrel will just not Build any way I try with the Sleeve & end caps !!
HELP ANYONE !! MIKE.