More Magazines to Identify

Here are 3 magazines I found at a Flea Market. The first one measures 4 1/2 inches along the back edge to ihe top of tje lip when the top section is extended. With the top section pressed down it measures 4 5/16 inches. It measures 4 11/16 inches along the front edge from the top of the lip to the bottom of the floor plate with the top section extended and 4 9/16 inches with the top section pressed down. The body measures 1 1/8 inches front to back and 9/16 inches wide. This is wide enough to accept a 45 Colt auto shell but the rim (extractor groove)hangs up a little on the rear of the follower and the 45 bullet extends out the front of the magazine completely. The floorplate is 1 1/2 inches long and 7/8 inches wide. I would like to know what is the purpose of the top section being moveable and the make and caliber?

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The second magazine is for a 22 caliber. It is marked 'LONG RIFLE ONLY' on the left side and on the floor plate. It measures 2 1/2 inches high, 1 1/8 inches wide, and 3/8 inches thick. The floor plate is 1 3/16 inches long and 9/16 inches wide.

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The third magazine is also wide enough to accept a 45 Colt Auto but about 1/2 of the bullet extends out past the front of the magazine. This one measures 4 3/4 inches along the back edge from the bottom of the floorplate to the top of the lip. it is 3/4 inches thick and 1 1/8 inches wide. The floorplate is 1 5/8 inches and 5/8 inches wide.

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Any info on make & models these fit will be appreciated!