[/quote] Huh....Not sure I follow what your saying...Well sure if it won't feed then it is a feeding problem. [/quote]
It is simple rifle build terminology to clarify in precise terms what may or may not be required.
The choice of the word problem is simply a poor choice of words and inaccurately describes what the build may entail. The word problem implies that you may never be able to get the feed to work properly.
Anyways...I am pretty sure you still don't get it but no worries mate.
