Been reading on the board for a while and always see references to a 300a or 300b. What is the difference and how do you tell. Also what is pre-contented(sp)? Sorry if this has been answered before. Thanks!
Jeb
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Been reading on the board for a while and always see references to a 300a or 300b. What is the difference and how do you tell. Also what is pre-contented(sp)? Sorry if this has been answered before. Thanks!
Jeb
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