Buy FN Ballista FDE-.338 Lapua – FN Ballista FDE Bolt Rifle 338 Lapua 5 RD 26″. The FN Ballista for sale is the future of modular and multi-caliber weaponry for law enforcement, military, and civilian use. Buy FN Ballista FDE-.338 Lapua. In less than two minutes, the FNH Balli...