Drop-in replacement aperture rear sight for the A1 or A2. Larger "Ghost Ring" aperture has a .230" aperture with a .070" wall thickness for greater light transmission. The smaller precision aperture has a .100" aperture with a .100" wall thickness for a more precise sight picture. Made of 416 stainless steel, blackened with matte finish.
Drop-in replacement for the AR-15 A1 or A2 rear sight.
Ghost ring aperture has a .230" inner diameter and a .070" wall thickness.
The smaller "precision aperture" has a .100" inner diameter with a .100" wall thickness.
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