Ammunition · 5.56x45 NATO
5.56x45mm MK 318 Mod 0 (SOST)
Against Every Armor Class
How SOST performs against each armor class at full durability.
Handling: recoil +3% · accuracy +2% · light bleed +15% · heavy bleed +10%.
Guns Chambered in 5.56x45 NATO (18)
Where to Buy
No trader sells this for cash right now.
Not on the flea market either: found in raid, bartered, or crafted only.
Frequently Asked Questions
Is SOST good ammo in Tarkov?
It ranks #5 of 11 5.56x45 NATO rounds by penetration (33 pen, tier C) with 53 damage. Handling modifiers: recoil +3%, accuracy +2%, light bleed +15%, heavy bleed +10%. Rankings update with live tarkov.dev data.
What armor does SOST penetrate?
With 33 penetration it consistently beats armor up to Class 2 and has a fighting chance against Class 3. As a rule of thumb, a round needs about 10 more penetration than an armor's class x 10 to punch through consistently; the class-by-class chart on this page shows each matchup.
Where can you buy SOST?
No trader sells it for cash and it is not on the flea market, so it comes from raids, barters, or crafts.
