Clue: Second Amendment-touting gp.

Answer: NRA

Length: 3

---

Similar Clues:

• Secondhand shop deal (RESALE with 6 letters)
• 30 Seconds to Mars lead singer Jared (LETO with 4 letters)
• The 21st Amendment, e.g. (REPEAL with 6 letters)
• Amendment on federalism (TENTH with 5 letters)
• Fractions of watt-seconds (ERGS with 4 letters)
• Second Amendment advocacy gp. (NRA with 3 letters)
• Subject of Amendment XVII (SENATE with 6 letters)
• It can go 0-to-60 in three seconds (CHEETAH with 7 letters)
• Seconds, say (SOMEMORE with 8 letters)
• Amendment construing judicial powers (ELEVENTH with 8 letters)