T - Tracer bullet AP - Armor-Piercing bullet APT - Armor-Piercing with Tracer API - Armor-Piercing Incendary APIT - Armor-Piercing Incendary Tracer HE - High-Explosive shell HEI - High-Explosive Incendary shell HET - High-Explosive with Tracer HEIT - High-Explosive Incendary Tracer MG - Minen-Geschoss, thin-wall shell High Explosive -------------------------------------- Browning .303 // APIT - AP - AP - APIT - API - API API/APIT mass = 0.0107 speed = 835.0 power = 0.0018 AP mass = 0.0107 speed = 835.0 power = 0 -------------------------------------- Browning .50 // APIT - AP - HE - AP APIT mass = 0.0485 speed = 870.0 power = 0.002 AP mass = 0.0485 speed = 870.0 power = 0 HE mass = 0.0485 speed = 870.0 power = 0.00148 -------------------------------------- Hispano-Suiza Mk.I // HET - AP - HE - AP HE/HET mass = 0.129 speed = 860.0 power = 0.012 AP mass = 0.124 speed = 860.0 power = 0 -------------------------------------- M4 // HET - (APT/HET) HET mass = 0.604 speed = 612.0 power = 0.044 -------------------------------------- MG 131 // HET - AP - HE - AP HE/HET mass = 0.035 speed = 710.0 power = 0.00148 AP mass = 0.034 speed = 750.0 power = 0 -------------------------------------- MG 15 // AP - AP - APT AP/APT mass = 0.0128 speed = 760.0 power = 0 -------------------------------------- MG 151/15 // HET - AP - HE - AP HE/HET mass = 0.057 speed = 960.0 power = 0.0019 AP mass = 0.072 speed = 859.0 power = 0 -------------------------------------- MG 151/20 // APIT - HE - HE - MG - MG APIT mass = 0.115 speed = 710.0 power = 0.0036 HE mass = 0.115 speed = 705.0 power = 0.0044 MG mass = 0.092 speed = 775.0 power = 0.0186 -------------------------------------- MG 17 // AP - AP - APT AP/APT mass = 0.010 speed = 810.0 power = 0 -------------------------------------- MG 81 // AP - APT AP/APT mass = 0.010 speed = 920.0 power = 0 -------------------------------------- MG/FF // APIT - HE - HE - MG APIT mass = 0.115 speed = 580.0 power = 0.0036 HE mass = 0.115 speed = 585.0 power = 0.0044 MG mass = 0.092 speed = 690.0 power = 0.0186 -------------------------------------- MK 103 // APT - MG - MG - HE APT mass = 0.502 speed = 752.0 power = 0.0 MG mass = 0.330 speed = 900.0 power = 0.072 HE mass = 0.455 speed = 800.0 power = 0.024 -------------------------------------- MK 108 // HEIT - MG HEIT mass = 0.455 speed = 500.0 power = 0.024 MG mass = 0.330 speed = 525.0 power = 0.072 -------------------------------------- NS-37 // HEIT - APT HEIT mass = 0.735 speed = 900.0 power = 0.0406 APT mass = 0.760 speed = 880.0 power = 0 -------------------------------------- NS-45 // HEIT - AP HEIT mass = 1.065 speed = 780.0 power = 0.052 AP mass = 1.000 speed = 850.0 power = 0.0 -------------------------------------- PaK40 // HEIT HEIT mass = 6.800 speed = 770.0 power = 0.680 -------------------------------------- ShKAS // APIT - API - T - API APIT mass = 0.0096 speed = 869.0 power = 0.0005 API mass = 0.0096 speed = 871.0 power = 0.0005 T mass = 0.0096 speed = 869.0 power = 0 -------------------------------------- ShVAK // APIT - HE APIT mass = 0.096 speed = 800.0 power = 0.001 HE mass = 0.0676 speed = 800.0 power = 0.0068 -------------------------------------- UBS / UBT // APIT - AP - HEI APIT mass = 0.0448 speed = 850.0 power = 0.001 AP mass = 0.051 speed = 850.0 power = 0 HEI mass = 0.0428 speed = 850.0 power = (0.00114+0.00128) -------------------------------------- VYa // SIT - API - API SIT mass = 0.195 speed = 890.0 power = 0.0156 API mass = 0.201 speed = 890.0 power = 0.008 API mass = 0.201 speed = 890.0 power = 0.008 Remark: in the attached MS Excel file, an average muzzle velocities, weights and explosive charges were calculated.