Producer sheets describe the cartridge family by projectile effect and national designation. Romarm groups the 12.7x108 mm line into ball, armor-piercing, armor-piercing tracer, tracer, armor-piercing incendiary, armor-piercing incendiary tracer, and blank loads, while Igman and Yugoimport publish B-32 API and BZT-44 API-T performance data.
API loadB-32 / 57-BZ-542 is the armor-piercing incendiary branch documented by Igman, Yugoimport, and Rosoboronexport.
API-T loadBZT-44 and BZT-44M cover tracer-equipped armor-piercing incendiary loads; Yugoimport lists a 43.2-44.8 g projectile for BZT-44.
Sniper loadRosoboronexport lists 7N34 as a 12.7 mm sniper cartridge within the same 12.7x108 mm catalogue grouping.