For Sale 2008 Martin Sceptre 4. Silver riser 35 to 50 lb limbs. Bow currently has nitrous cams on it. With the nitrous cams it maxes out at 40lbs.I also have the original furious cams for it.Bow also has a martin lizard tongue rest that goes with it.I do not have the strings for the furious cams, so if you want to use them you will have to get new strings. Price is $250.00 OBO to your door.Draw length with the furious cams is 27 to 30, with the nitrous cams it is shorter.