[Drakker]

These systems are great for beginners, they can easily swap springs and have a CQB legal gun, they could also have a lower power gun for their first few games until they get used to it and know their MED (haha, yeah, like new players are really doing that...).

The benefit are also for the stores and resellers worldwide who have to deal with customers in many different countries with different laws. If it becomes increasingly easy to make guns "canada compliant", so with a bit of luck, prices might end up being lower in Canadian stores for these models.

In the case of M4s/M16s, this is not as helpful, as your stock will screw in the spring guide and require some disassembly for swapping springs anyway. But it does make playing in the gearbox a lot easier, as you can close the gearbox without the spring in it and get a free hand to hold on the trigger or anti-reversal latch spring, instead of holding a screw driver in your spring guide helplessly trying to close the damn thing without having pieces fly all over the place.