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J's Review of Choate Tool Mossberg Sa-20 Shot Magazine Extension
Instructions are generic between several different makes/models of shotguns.
For SA-20 there's a crimp on the end of the magazine tube that needs to be filed off to get the old spring out before the Choate extension can be installed. Not sure how reliable it is, it seems to feed now but the follower was sticking until I loosened the extension one click from fully tightened.
It says it's a +3 but with the 2 3/4" I've tried it I can only fit 7 1/2 into the tube.
For SA-20 there's a crimp on the end of the magazine tube that needs to be filed off to get the old spring out before the Choate extension can be installed. Not sure how reliable it is, it seems to feed now but the follower was sticking until I loosened the extension one click from fully tightened.
It says it's a +3 but with the 2 3/4" I've tried it I can only fit 7 1/2 into the tube.
Pros:
- Seems to work so far
Cons:
- Poor instructions, +3 is actually a +2
Would Recommend:
No