Thread: Howa 1500 torque settings.

Hi guys, my names Dylan and I have only recently got in to hunting and have brought my first rifle, a Howa 1500 in .270. It was shooting well and had inch groups at 100m but the other day I noticed both the screws on the bottom metal were loose as, I tightened them up with a torx Allen key and went out today and it's now shooting about 6" low at 200m. Before I zero it in again this weekend is there a specific torque setting I should apply to the screws? Any info would be awesome.
Love the page btw and I think I've read every post in the gear and equipment forum heaps of great information and tips for someone just starting out.