Forster 6 Creedmoor Ultra Die Set. This die improves accuracy and prolongs case life because the cases shoulder and body is sized down just enough to fit in a minimum-sized SAAMI rifle chamber and bushing limits working of the neck. Specifications for Forster Ultra Full Length Bushing Die: Manufacturer: Forster Weight: 0.98 lb Gun Type: Rifle Package Contents: Forster Ultra Full Length Bushing Die Full length sizing die 3 bushings Ultra Micrometer Seating Die Red Die Box Forster UFB4331: 6 Creedmoor Ultra Die Set