A.B. Biller 54 LTD Speargun | Handcrafted Wooden Speargun A.B. Biller 54 LTD Limited Edition Artistry in Motion. Precision in the Deep. The A.B. Biller LTD is a masterpiece of underwater engineering, handcrafted from the finest selected hardwoods. Unlike mass-produced models, the LTD series features a trigge..