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Old 01-11-2017, 12:25 PM
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CB3 CB3 is offline
Join Date: Jan 2014
Location: Utah
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Default Accurized FS M&P 9mm

On my new FS I polished all moving parts and installed an Apex Flat Faced Trigger & Forward Set Sear Kit (100-054). The factory trigger was initially gritty and heavy--7.5#. While waiting for the Apex parts I polished everything and dry fired a couple of hundred times. The factory trigger smoothed out nicely and dropped to about 6.5#, but I replaced it anyway.

Ran 100 rounds of 115 FMJ through it for break-in. Then 20 rounds of my carry ammo, Barnes TAC-XPD 115 grn. to ensure function.

Then I used a good rest under the trigger guard and at the bottom of the grip, carefully aligned the factory sights at 7 yards, and worked the 4.25# Apex trigger without disturbing the sight picture 5 times, and got this:

That's the OEM 4.25" barrel with only a little polishing on the barrel/slide engagement surfaces, no fitting except perhaps by the S&W assembler. <.75". I haven't tried it at 25 yards because my eye sight is not good enough.

The gun is capable of greater accuracy than I OTB. I do believe the Apex trigger helped.

I found this graph from Apex helpful to understand that their trigger stroke is shorter as well as lighter, making more accurate shooting easier.

Last edited by CB3; 01-16-2017 at 12:32 AM.
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