Related Clues:

• Gunners' org.
• Org. with a lot of firing?
• F.D.R.-era agcy.
• Group of piece advocates?
• Big guns in a lobby?
• Big lobby in D.C.
• Gun rights org.
• Grp. that sticks to its guns
• Heston was its pres.
• Dam org.
• Piece activists?
• Agency under FDR
• Powerful lobby
• Longtime power provider: Abbr.
• Brady bill opponent