As you can see in the link below, Remington (Peters) produced a 3" 20 ga DELUXE TARGET load with 1oz of 7c shot, paper hulls and 2 piece plain paper box with attached label.
pics.gunbroker.com/GB/168610000/ … 391328.jpg
My guess is that these were probably made in the mid to late 1950s as a test or something (hence the 2 piece box). The picture indicates these to be no more powerfull than a 2 3/4" magnum loading so why the need for them, in the target arena?
For those of you with cataloges or references for the period of the 1950’s or early 60’s, does this 3" 20 ga DELUXE TARGET loading show up?