dueling tree

noun

dueling tree

noun

1

A post with a number of targets extending from its left and right sides, which (in some versions) swing from one side to the other in general or when hit, for a pair of archers or shooters to aim at.

All is available from Law Enforcement Targets including the dueling tree, PNZ steel plate, […]2010, Dave Spaulding, Handgun Combatives, 2nd edition, page 208:
Then he created a modified dueling tree, featuring six steel targets that swung from one side of a central column to the other when shot.2013, Erik Prince, Civilian Warriors: The Inside Story of Blackwater:

2 more examples

If you have a friend or family member to shoot with, Action Target's dueling tree is loads of fun. It has six steel plates that swing from side to side.2013, Richard Allen Mann, Handgun Training for Personal Protection:
[caption] The author's view of the Top Shot dueling tree challenge.2014, Chris Cheng, Shoot to Win: Tips, Tactics, and Techniques to Help You Shoot Like a Pro:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.