Manufacturer: RMC & Ox-Yoke LLC
Part Number: RMC-ML1006
Description: Measurements - Thread Length: 4.5mm, Cone Length: 3.5mm, Total Length: 12.75mm, Shoulder width: 4.5mm. Nipples made of Stainless Steel for long life. Package of 6 nipples. Thread size is 12-28 (M5.5x.9) for Uberti 1851 Navy, 1860 Army Colt, 1858 Remington.