Ive used this before with a 12' 2x4 spread, hang as many targets as you can. Adjust the leg height to desired (safe) angle to backstop. maybe stake it down for heavy led ..
https://www.acehardware.com/departments/tools/tools-storage-and-organization/sawhorses/23842?x429=true&utm_source=google&utm_medium=cpc&gclsrc=aw.ds&&gclid=Cj0KCQiAk7TuBRDQARIsAMRrfUaoEn5V_36uhnPVK65FSSrvpFYLwu4y60E09YOQAoAR4tq1-rjUqEAaArvlEALw_wcB