Originally Posted by Ozone06
Properly using propane with an adapter and some silicone oil lubes the mags for you while shooting. Duster doesn't, all the o-rings will dry out and you'll end up with leaky mags and needing to do maintenance and replacement more often.
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Actually, you are only partially correct. Adding lube to a mag is to lube the pistol internals. Lube in the mag is a secondary benefit as it helps keep the seals from drying if you have an issue with leaks.