A spinal fixation access and delivery system is disclosed. In some aspects, the system is used to access the cervical facet joint via a posterior access approach. The system may include an access device including a body having a proximal portion and a distal portion and a chamfered or beveled end feature positioned at the distal portion of the body and configured for insertion at the cervical facet joint. The system may further include a guide device having access device engagement features and a spinal fixation member. The access device includes at least one guide device receiving feature complementary to or keyed to the engagement feature of the guide device.
