By Jon Herskovitz

AUSTIN, Texas, May 23 (Reuters) - Two groups at opposite ends of the gun debate will meet Texas Governor Greg Abbott on Wednesday as part of a second round of talks on preventing gun violence on campus, a response to last week's fatal shooting of 10 people in a Houston-area high school.

Abbott invited representatives from the Texas State Rifle Association, which is affiliated with the National Rifle Association, and Texas Gun Sense, which favors gun control, to join him in Austin, the state capital.

A group of experts are also expected to take part in the second of three round tables that the governor said would focus on mental health issues and the causes of gun violence.

Abbott, a Republican and staunch gun rights supporter, has said that any changes to state laws would "protect Second Amendment rights" to bear arms as enshrined in the U.S. Constitution.

The Republican-controlled legislature is out of session until January 2019, making it nearly impossible for the state to implement and fund any major changes that come out of this week's talks.

Abbott has given no indication that he would call for a special session to implement new policies despite calls from Texas Democrats who see the move as essential for quickly improving safety.

"We need to have solutions in place before our kids come back to school in the fall. We are all sending our kids to school with prayers and that is all that we have right now," State Democratic Representative Gina Hinojosa, said in an interview.

Ed Scruggs, board vice chair of Texas Gun Sense, a group looking to tighten gun laws, will be at the meeting and said one of the main points he will try to

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