@nathan: Your serial number has nothing to do with your model number per se. Colt has been using the “SP” prefix in their serial numbers regardless of the actual model number dating as far back as 1963. Howeve
go-humanize - Formatters for time, numbers, and memory size to human readable format. go-nmea - NMEA parser library for the Go language. go-runewidth - Functions to get fixed width of the character or string. go-slugify - Make pretty slug with multiple languages support. go-toml - Go li...