The tentative deal would include a statewide assault weapons registry and add a uniform licensing standard across the state -- altering the current system, in which each county or municipality sets a standard -- a state Senate source said Monday.

Magazines could have no more than seven bullets under the would-be agreement, according to the source, among other provisions.

Discussions had percolated about crafting a law, similar to one in California, that allows mental health professionals to inform law enforcement if they believe their patient could pose a threat to themselves or others, the source said. Law enforcement authorities may then revoke the patient's license to carry a firearm and prevent them from having a gun for at least six months.

One month since shooting

Meanwhile, bitter memories of the tragedy that spurred such proposals remains raw, especially in western Connecticut.

The one-month anniversary of the shooting went largely unmarked in any formal way, save for a moment of silence at a news conference held by a community group, "Sandy Hook Promise," formed after the killings to find a solution to gun violence.

Nicole Hockley, whose son Dylan was among the children killed in the shooting, was among several parents who spoke.

"I still find myself reaching for Dylan's hand to walk through a car parking lot, or expecting him to crawl into bed beside me for early morning cuddles before we get ready for school," she said, her voice quavering. "It is so hard to believe he is gone."

Others spoke of their resolve to ensure such violence ends.

"We refuse to be remembered only for our loss," group co-founder Tom Bittman said. "We want the Sandy Hook Elementary School shootings to be recalled as the turning point when we brought our community, and communities across the nation, together and set a real course for change."