Mk108 where mostly used by fw190a8r2, attacking from rear, shoot with 20mm at 400, close in point blank and deliver 2 second blow, almost a certain death for the Buff.
According to most resources Sturmböcken where almost impregnable to .50 return fire from buffs in front of it.
Unescorted buffs where deathtraps when Sturmgruppen found unescorted buff formations.
On occasion as many as 40 4-engined bombers where shot down during a single mission by fighters.
Sturmgruppen paid the price when escort fighters found them, some Sturmgruppen had 500% losses.