Nipples Colt ,Remington-INOX Uberti.

The only nipples for Uberti revolvers on the market made of stainless steel -INOX

They fit the following models of revolvers made after 1980s:

Remington 1858
Colt Army1860
Navy 1851
Navy 1861
Cattleman (SAA1873)
Pedersoli Remington Pattern
They don't match Walker and Dragoon

Technical data:

Overall length 12.7mm
Thread diameter 5.35mm
Thread length 5.2mm
Flange diameter 7.7mm
Flash hole 0.7mm
The diameter of the nipple fits standard 4mm percussion caps such as RWS, RWS +, Sellier & Belllot.

Thread 12x28UNF (5.5x0.9mm)

Price for one piece.