AR500 Dueling Tree steel target DIY 6 plate kit- 5" plates From Bullseye Metals. AR500 Steel. Submerged Plasma Cut. Best Price in the USA. 3/8" Thick. 5" Target area. Comes with 6 tubes. Abrasion Resistant. Very tough steel De burred, cleaned and washed Bullseye Metals a product you can trust.