Browning .22 Auto Flexible Magazine Follower Spring For .22 Long Rifle Models

F.N. began production of the 22 Semi-Auto Rifle.

No serial numbers are available.

In 1961, the codes for caliber were changed:
T=Long Rifle Caliber
E=Short Rifle Caliber
Example: 8T1000 = A 1968 22 Long Rifle Caliber Semi-Auto Rifle with serial number 1000.

T=Long Rifle Caliber
E=Short Rifle Caliber

1969 started using two digits for the date of manufacture: type of Auto-5:
T=Long Rifle Caliber
E=Short Rifle Caliber

This was then followed by the serial number beginning with 1000.
Example: 69T1000 = A 1969 22 Semi-Auto rifle in 22 Long Rifle Caliber with a serial number of 1000.

T=Long Rifle Caliber
E=Short Rifle Caliber

In 1974 production of the 22 Semi-Auto was moved to Miroku, Japan. The order of the serial number code was changed to:

1. Serial Number which started at 1000 for each year.
2. Two digit year code
3. Rifle type code: T=Long Rifle Caliber, E=Short Rifle Caliber

Example: 1000T74 = A 1974 22 Semi-Auto rifle in 22 Long Rifle Caliber with a serial number of 1000.

T=Long Rifle Caliber

In 1975 Browning standardized its serial number identification which it followed until 1998.

1. Serial Number which started at 1000 for each year.
2. Date of Manufacture is a two digit code:
   Z=1, Y=2, X=3, W=4, V=5, T=6, R=7, P=8, N=9, M=0
3. 22 Semi-Auto Type:
   146=Grade 1
   246=Grade 2
   346=Grade 3
   646=Grade 6

Example: 1000T74 = A 1974 22 Semi-Auto rifle in 22 Long Rifle Caliber with a serial number of 1000.

Serial Number Example:

01001RT646

This would be n 22 Semi-Auto Grade 6 rifle, manufactured in 1976 with the serial number 1000.

In 1998 Browning redid the standardization of its serial number identifications to work with its new data base program, Oracle.

1. Serial Number which started at 1000 for each year.
2. Date of Manufacture is a two digit code:
   Z=1, Y=2, X=3, W=4, V=5, T=6, R=7, P=8, N=9, M=0
3. 22 Semi-Auto Type: 212=22 Semi-Auto Rifle

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