For those that hasn't , MCARBO makes a replacement trigger spring for the Mossberg SA-28 and it's best money I have spent on a shotgun . Went from 8.0-8.1 lbs pull down to 3.8-4.0 very easy to change out and $13.00 well spent
You are right about that!!! I put them in my Remington 870 20 gauge. Highly recommended.
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I second this, its a must on the SA-28 I'm not sure on what the LBS reduction is on mine, but its night and day difference well worth the cost.
I changed it out in my new SA28 Tactical back several weeks ago and it is very easy to do... Just make sure to order a small tube of grease with your spring..
Money well spent with this trigger upgrade.