FWIW... that stuff is supposed to pretty rough on bolts, barrels, and feed ramps... just sayin'
Solid Black Dot.... "Ball" ammo.
"Picket Fence" with 5 points means ... Stripper Clip Ammo.... next to it is a 10 ( 10rds per stripper clip ) .... the rectangle next to the 10 , with a Triangle blanked on the bottom... means bandolier
AB57 1305-01-155-5459
Cartridge, 5.56mm, Ball, M855A1;
Packed 10-Ctgs/10 Round Clip; 3-Clips/Carton;
4-Cartons/Bandoleer, M8 with Magazine Filler;
7-Bandoleers/Box, Ammunition M2A1; ( Typical .50 Cal ammo can )
2-Box, M2A1/Box, Wirebound (Total 1680 Ctgs/Box, Wirebound)
FWIW...
The Other "AB" DODIC info... for M855A1 packaging.
DODIC NSN Nomenclature & Packaging
AB56 1305-01-559-3332 Cartridge, 5.56mm, Ball, M855A1, Linked; Packed 200-Ctgs/Belt, Link, Cartridge, M27; 1-Belt/Magazine, Ammo, M249 SAW; 1-Magazine, Ammo, M249 SAW/Bandoleer 200 Rd Mag, (M249 M.G.); 4-Bandoleers/Container, Ammo, PA108; 2-Container, PA108/Box, Wirebound (Total 1600 Ctgs/Box, Wirebound)
AB57 1305-01-155-5459 Cartridge, 5.56mm, Ball, M855A1; Packed 10-Ctgs/10 Round Clip; 3-Clips/Carton; 4-Cartons/Bandoleer, M8 with Magazine Filler; 7-Bandoleers/Box, Ammunition M2A1; 2-Box, M2A1/Box, Wirebound (Total 1680 Ctgs/Box, Wirebound)
AB58 1305-01-457-4589 Cartridge, 5.56mm, M855A1, Ball (10-Rd Clips); Packed 10-Ctg/10 Round Clip; 3-Clip/Paperboard Box; 30-Papreboard Box/Inner Fiberboard Box; 2-Inner Fiberboard Box/Outer Fiberboard Box (Total 1800 Ctg/Outer Fiberboard Box)