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Ruger-57™ Optic Adapter Plate - JPoint™, Sig Sauer® & Shield Sights |
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This Optic Adapter Plate supports the use of JPoint™ MRD, Shield RMS and Sig Sauer® ROMEOZero™ red dot sights on the Ruger-57 pistol. The plate is precision CNC machined from 6061-T6 aircraft aluminum with a matte black hard coat finish for strength and durability. Simply place the adapter plate onto slide and secure it using the two #6-32 screws provided. Tighten the screws firmly (30-50 in-lbs.) using a Torx® T-15 wrench (not included). Install the optic onto the Adapter Plate by following the sight manufacturer's mounting specifications (sight not included). NOTE: the extra screws provided in the package are meant for installing the JPoint sight only. Shield sights should fit this base without modification. This plate does not fit Holosun 407K or 507K optics. The Adapter Plate is 1.700" long x .975" wide and weighs .2 ounces. This Genuine Ruger Factory Accessory is made in the USA.
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WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure.
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Holosun 507K / Ruger 57 |
| I wanted to mount the Holosun 507K due to its light weight and very high reviews as to ruggedness and reliability. Was told this mount should work with modifications. The rear posts need to be removed altogether and the front posts need to be shortened to fit the shallow footprint of the 507K. I used my Dremel for the heavy grinding and a file to finish it off. The length of the sight mounting screws also needed to be reduced also accomplished with the Dremel. I masked the areas around the posts so as not to damage the finish of the mount.Not a hard job just remove a little at a time till the sight fits flush with the adapter. Dimensionally, the adapter and the sight matchup perfectly. The only giveaway that it’s not one unit is that the adapter has a slightly glossier finish . I am very happy with the fit and function of this setup. |
| - D Houston, NV |
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Good product, description needs improvement |
| Everything about this is great. My only problem is with the item description online. The fits the Sig Romeo Zero optic, a Romeo1 will not fit. |
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