Just Received & Assembled the Following MR-7 Magazine Parts from Numrich:
952370 Magazine Box, In The White Price: $19.60
952360 Magazine Follower, New Price: $10.45
1455410B Magazine Spring, New Factory Original (XL7) Price: $6.65
Total Cost: $36.70 Plus Shipping.
Turned out to be an Almost Exact Copy of my Original MR-7 Mag.
The Box is in Very Good Condition & will only need a Light buffing w/ 0000 Steel Wool.
Then I'll Cold Blue it w/ Oxpho Blue.
Seems to Cycle both Dummy & Factory Ammo Perfectly.
Gonna Order Another Set, This Weekend.
That Way I'll Have 2 Spare Mag Boxes.