Semi...Let me clarify...When you buy prelubed patches in the store you don't know how old they are...They could be fresh, or not...A few years back my .54 started burning patches and of course groups opened up...I traced it back to the patches...

The oil in lube can break down the cotton fibers, weakening them and allowing them to burn through...By lubing your own, you know how old they are, preventing this...