It's really easy to get one tho, u have to build it, after Telos u get the first peice, make ur first planet Dantooine, and when u find the salvager whatever his name was, in the stuck door in the jedi enclave, tell him either all the lagreks are dead, and if they are he'll sell u the other 2 parts for 3200 credits, if u tell him they dead but they alive, he'll die and drop a lightsaber peice, either way u get all 3 on dantooine for after u find master vrook u get rewarded either a random lightsaber or lightsaber peice if u dont have them all yet