Yes, mine has the deflector, as did my first 550. I have seen others for sale with the deflector missing, and in fact I recently saw another 550-1 in reasonably good condition but without the deflector for $230, which I passed up for just that reason. I am not sure how difficult a replacement deflector is to find. I believe the earlier 550s did not come equipped with deflectors. I have understood that prior to about 1955, the 550 receivers did not have the grooves for tip-off mounts. I had a fairly decent 4X scope on my previous 550, and I am going to get on eBay to find a pair of 1" mounts with the tip-off claws. I have an old but fairly decent Weaver 2-3/4X scope that I plan to use with my "new" 550.

With Remington (maybe?) going out of the gun business, I don't think one can lose money buying any good condition Remington gun at the right price. While I have several earlier Winchester rifles and shotguns, I have always been partial to Remingtons, especially their semiautomatics.