NECG Ghost Ring Aperture .215" N-FM215

NECG Ghost Ring Aperture .215" Blued steel aperture stem with .215" hole and 8-64 thread*. Please Note: These apertures will only work in the NECG Ghost Ring sights. They will NOT work in any other brand that we are aware of. N-FM215.

*8-64 aperture thread elevation adjustment: One (1) Full turn = .016" of movement. One Half (1/2) turn = .008" of movement. Please refer Sight Correction Chart for amount of correction required based on sight radius (spacing).