According to Federal website this is the new ammo from Federal (729) https://www.federalpremium.com/products/rimfire.aspx
This ammo does not cycle well with:
- Marlin 60SS (rifle)- Load one tube (15 rds) I got FTFeed every other round.
- GSG 1911-22- load one mag (10) I got FTFeed&Fire every other round.
I used the same guns and loaded Fed AutoMatch and Thunder Bolt, 100 rds each, both guns cycle OK.
Then I try Fed Range&Field on the Buckmark, it cycles OK for the rest of the box.
Brought only 3 guns, I can not do more testing, I was

then went home , still don't know what going on.
Here the picture of the how many FTFeed/Fire out of 25 rounds. (couple rounds drop to the range floor, I did not collect them).
This ammo does not cycle well with:
- Marlin 60SS (rifle)- Load one tube (15 rds) I got FTFeed every other round.
- GSG 1911-22- load one mag (10) I got FTFeed&Fire every other round.
I used the same guns and loaded Fed AutoMatch and Thunder Bolt, 100 rds each, both guns cycle OK.
Then I try Fed Range&Field on the Buckmark, it cycles OK for the rest of the box.
Brought only 3 guns, I can not do more testing, I was


then went home , still don't know what going on.Here the picture of the how many FTFeed/Fire out of 25 rounds. (couple rounds drop to the range floor, I did not collect them).

:, I may need another wheel gun to shoot all that 10K rds 




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