Cal. 12.7 x 99 mm M33 Ball

Projectile Ball
Material: Jacket — Tombac CuZn10,
Core – Steel, Foil Lead
Weight: ~42.31 g / 653 gr
Length: 58.67 mm
Propelling charge:NCD powder

Packing 

140 rounds in metal box M2A1

2 metal boxes (280 rounds) in wire bound wooden box

Cartridge

Weight with bullet : 113.99