Yep, for those things, dry fire definitely helps. I also use it a lot to practice deployment of the weapon and reloads.I've always shot better fast than re-zeroing for every shot. But I did agree with mostly on the recoil point.
In any case, as I said, I'm using a SIRT, and it has definitely tightened my shots up to .5-1" shots. Actually, I give the credit to the SIRT for helping me shoot two eyes open, and no aiming, just point and shoot.
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