just picked up an older Darton ranger bow.Ithink6-7 yrs old? My ?= Bow is marked b-base for draw length #1=. 28.5 #2=29.5 #3=30.5 #4=31.5 I shoot w/ a draw length of 27.5-28.0 Are the cams on this bow adjustable? It is set for 31.5 & is way to long. do these cams have adjustments for all four settings? or is a separate cam req'd. for each individual setting? Are cams still available for this bow. The serial # on this bow is qq500 The other # on the bow is 14505. It has a 65% letoff &55-70 lbs. of weight. This bow has been sitting in a basement for years &is in like new condition. Please if anyone can help i'd appreciate it----Jim