DD STi Evaluation

[Formidilosus]

I will post more about the reason for the different events as time permits. For now, the information that I have.





308win, 20” barrel, M118LR

DD STi average 133.4 dBA SE



Control TBAC UL7 Gen 2 average 131.3 dBA SE




6.5 cm, 20” barrel, Hornady 140gr:

Standby…



7 PRC, 20” barrel, Hornady 160gr CX:

DD STi averaged 133.1 dBA SE



Control TBAC UL7 Gen 2 averaged 133.9 dBA SE




223, 18” barrel, M855:

DD STi average 127.7 dBA SE





Stress event, 90 rounds 5.56mm

No structural damage, heavy baffle erosion.