Classic Firearms had a recent sale on what they claimed were original Inglis mage magazines for $18 each. I ordered a couple as those mags usually go for about 80 bucks or so. What I got appear to be well-made magazines but not sure they are Inglis made. The only markings I can see are on the floorplate, a "RA". The follower appears to be cast aluminum. Anyone know about magazines marked RA?