12,7x108 Degtjarjov H.m.g API/HC BS, USSR, modern

[PzGr40]

Cutaway model of a (modern)12,7x108mm Degtjarjov API-HC cartridge. An interesting detail to be observed is that the projectile does have an incendiary charge above as well as below the tungsten carbide penetrator. The lower Incendiary charge is placed in a thin walled brass cup, locked up by the tapered end of the projectile.
The tungsten penetrator is ø9,2mm x 39,2mm long. Length of the complete projectile is 64,2mm.
Colour code projectile: The complete projectile (above mouth shellcase) is transparant wine red, with a 5 mm long black tip. Just over the mouth of the shellcase a 2mm wide dark red ring is painted on the projectile.
I do not have info about the Vo. And the penetration values, so if anybody has any info on that , please let me know.
Regards, Pzgr40 8)

Some extra info I received from Rigby:

This cartridge is designed to engage lightly armourd ground targets (armoured personel cariers), weapon enplacements and targets behind light bariers at ranges up to 1000 mtrs, concentrated infantery and motor transport at ranges up to 1500 mtrs and low flying air targets at altitudes up to 1500 mtrs.
It penetrates 20 mm of armour at normal up to a range of 100 mtrs and ignites B-70 gasoline.
It is fired from NSV, NSVT and DShKM machine guns.

Weight complete cartridge : 133,5 grams
Weight projectile : 48,2 grams
Lenght compl cartr. : 146,2mm
Vo : 818mtrs/sec
Max barrel press. : 3040 Bar

[rigby]

Hi DJ,

nice cutaway.

rob

[PzGr40]

Thanks for the extra info Rob, I will edit the main text. :D
Regards DJH

[x]

The correct designation of this projectile/cartridge is "BS", the designation B-32 referrs to the older and more common design with steel core and incendiary contained above the core. It's tip was colored black over red band.
At the beginning of WWII Russia already developed one "BS" cartridge which's projectile had the design we know from the 14.5 APHC projectile with cylindrical base and rather short overall length. This cartridge was intended for use in the "PTR" AT rifle which was a copy of the German Tankgewehr. It was produced right at the beginning of the war as an emergency measure and was dropped in favour of the 14.5 AT rifles.

[PzGr40]

Hi X , thanks , I've changed it in the title of the posting in BS
Regards , Pzgr40