Sure, custom modifications to your hold-out blaster are possible; we'll discuss the specifics once your character has some down time. Meanwhile, I'll check and see what the manual has to say, if anything.
In answer to your question, Reralae:
Nope, to quote the manual, "using a ranged weapon that requires
two hands to operate can provoke an attack of opportunity
if all other criteria are met."
...and by the way, it's your turn to post.