Upgrading from a 550 to a 550 B

#1 · November 15, 2016, 10:21 pm

What parts do you need to upgrade them basic or 550 up to a 550 B,

#2 · November 16, 2016, 4:41 pm

To upgrade from the RL550 to the RL550B, you just need the low primer alarm, stock# 20302, and the failsafe upgrade kit for the powder measure, stock# 20303.
The BL550 lacks the powder measure (stock# 20251), automatic primer feed(stock# 16627) , and loaded cartridge ejection kits (stock# 22120).

#3 · November 17, 2016, 1:16 am

think you