HW 30K is a shortened version of HW 30S. This is visible in the photos. But I can't figure out two things.
1) HW 30K already has a moderator. It is not similar to the one installed on HW 30S. Is it possible to remove the moderator from HW 30K and install the moderator for HW 30S on HW 30K?
2) Otherwise, are these absolutely identical rifles or not? Are the units and parts (spring, piston, compressor, etc.) compatible? In short, the only differences are in the length and the moderator or are there more?
1) HW 30K already has a moderator. It is not similar to the one installed on HW 30S. Is it possible to remove the moderator from HW 30K and install the moderator for HW 30S on HW 30K?
2) Otherwise, are these absolutely identical rifles or not? Are the units and parts (spring, piston, compressor, etc.) compatible? In short, the only differences are in the length and the moderator or are there more?