The MA-3 originated as the Bod-Kin in 1946 as shown in the picture below. As you can by comparing the two photos there is not much change in 63 years. Notice the "Bod-Kin" stamp. These were made for Whiffen Archery.
A couple of years later Whiffen started to make their own "Bod-Kin" so Make All Tool and Die continued to make a broadhead it was stamped-MA-3.
In another post here on Broadhead Talk the question was asked what a hunter wanted in a broadhead.
The MA-3 fulfills all the requirements.
Easy to sharpen to a shaving edge
Silent flight
excellent flight
inexpensive
durable
no moving parts to fail
no assembly
For a very severe test I have installed this head on a 750 gr compressed hemlock shaft and shot it from 10 yards from a 65lb recurve into my basement wall. The head stuck into the wall 3/8" The ferrule split, but the welds held. If this were to happen on an animal( never has even on shoulder blade ridge and a leg bone the was shattered by the MA-3 - no damage to head) the head would continue on into animal and continue to cut. I nor anyone I know has ever had this head fail on an animal.