15.5 x 106 mm APDS(Armour Piercing Discarded Sabot) ammo, not quite the Lynx ammunition but still interesting (x-post from r/ThingsCutInHalfPorn) : r/arma
Buy Trophy Copper Sabot Slug for USD 23.99 | Federal Ammunition
MK258 Armor Piercing, Fin Stabilized, Discarding Sabot-Tracer (APFSDS-T) Hydroballistic Ammo Anti-Mine Projectile
Sabot Slugs vs. Rifled Slugs - The Broad Side
M1A2 Abrams tank ammunition HEAT SABOT - YouTube
Sabot (firearms) - Wikipedia
Why do tanks use sabot rounds? - Quora
What is the work and purpose of the sabot in the tank munitions… doesn't it add more weight and slow down the projectile? - Quora
Sabot (firearms) - Wikipedia
DVIDS - Images - SFC Konken and Spc. Leija load Sabot munitions [Image 2 of 4]