For my Bersa Thunder 380s ( I own two) I usually use my own reloads. However, lately I've gotten lazy and decided to try some cheap TULA Steel cased ammo. The results were disappointing. See the attached 10-yard target photo. The TULA was hitting low with a wide spread pattern. For comparison I shot three of my reloads, which were tight and near the bullseye. I measured the bullet diameter of both. The bullets in my reloads measure 0.348" and the TULA measures 0.351". The SAMMI specs call for a diameter of 0.3565 so both bullets are actually undersized I have not slugged the barrel nor tried the TULAs in my other Bersa Thunder. Nonetheless, my Bersa doesn't like TULA's alloy bullets.
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