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Q&A for UM Tactical Delrin Optic Shim — 7 Questions & 5 Answers

Name UM Tactical Delrin Optic Shim (3.2)
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Q
Mike Dixon, member, from AL, United States, asked on September 07, 2022

How thick are these? My Romeo 3 is hitting my slide so I need 1/16+ to make it work

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on September 14, 2022

The UM Tactical Delrin Optic Shim features a 1.0 degree taper and measures 0.0075" at its thinnest, 0.026" in the middle, and 0.0375" at its thickest.

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Q
Eljebra, guest, from TN, United States, asked on March 13, 2022

Are they flat or do they offer down angle

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A
Answered by Ethan, Gear Expert, from IL, United States, on April 07, 2022

The UM Tactical Delrin Optic Shims offer 1.0 degrees of taper (plus or minus .1).

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Q
DangerMouse, member, from NC, United States, asked on May 10, 2021

Are these flat? Or do they add some down angle?

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A
Answered by Ethan, Gear Expert, from IL, United States, on April 07, 2022

The UM Tactical Delrin Optic Shims offer 1.0 degrees of taper (plus or minus .1).

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Q
Hollywood, member, from KY, United States, asked on April 15, 2020

Woll this plate work on a G19 gen 5 with the Sightmark Mini Shot M-Spec FMS Reflex Sight SM2604?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on April 07, 2022

If your Glock is optic cut for a Docter/Noblex optic footprint, then the UM Tactical Delrin Optic Shim (MPN:SHM-BDSV) will fit between your Glock and the optic and provide 1.0 degree of taper.

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Q
HeadHunter, guest, from OH, United States, asked on March 23, 2020

What degree is this shim for a Burris Fast Fire III?

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A
Answered by Ethan, Gear Expert, from IL, United States, on April 07, 2022

The UM Tactical Delrin Optic Shims offer 1.0 degrees of taper (plus or minus .1), and their tolerance is plus or minus .005.

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Q
Dalocoengineer, member, from MI, United States, asked on January 07, 2025

Is this shim metal?

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Q
Kalel513, member, from OH, United States, asked on March 20, 2024

Will this work for a holosun 507k?

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