This is a post sight assortment for M-16" AR-15" AR-10 and SR-25. All post sight bodies are steel. There are seven sight configurations- 3 square post, 3 round dot post and 1 V-notch and inverted.

Features :

• "3 square post—widths: .034" .052" .072"
• "3 round dot post—diameter: .034" .052" .072"