Vent rib on 1187

[turkey buster]

Hey guys do the older (90's era) 1187s have the same size vent rib as today's remingtons? I want to buy the tru go magnum gobble dot rifled sights and need to know what size to get.

[Rem Man]

  You are going to need TG-944A its a 1/4 inch rib.

[turkey buster]

  You are going to need TG-944A its a 1/4 inch rib.

Thanks for the reply and info