The contributions will go to support a handful of GOP incumbents in races deemed a "toss-up" by the nonpartisan Cook Political Report: Reps. Rod Blum (Iowa), Andy Barr (Ky.), Mike Bishop (Mich.) and Dave Brat (Va.).
The ad buy will also support two candidates running in races that "lean Democratic" — Assemblyman Jay Webber (N.J.) and Rep. Keith Rothfus (Pa.) — along with half a dozen that are rated as lean or likely going toward the GOP: Reps. Ted Budd (N.C.), Ann Wagner (Mo.), Steve Chabot (Ohio) and Scott Perry (Pa.), and state Rep. Yvette Herrell (N.M.) and Mark Harris in North Carolina.
The conservative activist group said the money will be spent on advertising over digital, print and television platforms.
“We believe our organization is uniquely positioned to protect conservative seats in Congress and preserve the Republican majority," Heritage Action executive director Tim Chapman said in a statement.