For dedicated target and competitive shooters, aperture sights are desirable for their extreme precision and consistent adjustments. It is now possible for hunters to benefit from the same advantages with the Merit #4 Hunting sight disc. Built to withstand extended use in the field, the aperture is adjustable from 0.022" to 0.125" and uses a strong internal spring to hold the selected sight setting constant during recoil. The size of the disc is meant to be compatible with many commonly used tang-mounted sights, and is intended to simply replace the existing fixed aperture.
#3 apertures are designed for target shooting. The 12 leaf shutter opens and closes without changing the point of
impact. The shutter leaves are supported at each end to withstand heavy recoil. The aperture varies from .022 to .125"
diameter. Internal click spring maintains setting.
#3 master is favored by high power shooters and other outdoor competitors. Shaded aperture. Flexible neoprene light
shield. May be converted to target model.
#3 target is favored by indoor smallbore and air rifle competitors. Steel face.
#4 hunting aperture is smaller than the target models, allowing for low mounting and reduced weight. Click spring
maintains aperture setting. Withstands any recoil. Aperture varies from .022 to .156" diameter.
This chart will help you select the correct length
threaded shank for #4s and for #3s.
Sight Chart for Shank Length
Merit Disc Shank
Sight Mfg. & Model
#3 Master #3 Lens Disc
48 WH, WJ, WHS, W
1/2, 2, 2A, 203
All other 48
All 52, 55,
56 & 66 models
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