Check the listing for details. Avalanche Crossbow CB40-150. Condition: Used. Listed at 100.00 USD. The Avalanche Trail Blazer is a 150 lb. Compactly built (~34" length), it includes adjustable sights and a Picatinny rail, often bundled with two 16" bolts. Draw Weight: 150 lbs. Sights: Adjustable built-in sights + Picatinny rail.