For them low level motherphuckas. Acog TA1/TA3 to iTech, not the HDS-4. It's a model as well as texture, and you don't need to use the bypass. Just inject.
PREWF:
https://www.youtube.com/watch?v=6hB3LO07zBA
VIRUSSCAN
Credits:
for making it /me
for teaching me to model. /gewd
for making a nice ump texture mod.
so he can give me shit =]