GFA Adapter generations
The fixed index adapter and quick index adapter come in generation 1 and generation 2.
Assembly of the fixed index adapter vary between generation 1 and generation 2. There is no difference in assembly instructions between the generations for the quick index adapter. For identification of adapter generation see information below.
To identify fixed index adapter generation
Fixed adapter generation 2 can be identified from the exterior by the tracks. Generation 1 does not have this feature. See the pictures below.


To identify quick index adapter generation
The adapter is generation 1, if the indexing function is activated by pulling the GFA. See the picture below.

The adapter is generation 2, if the indexing function is activated by pulling the indexing ring. See the picture below.
