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Q&A for SLR Dimpling Jig Gas Block — 12 Questions & 17 Answers

Name SLR Dimpling Jig Gas Block (4.8)
As Low As $35.90 Save Up to 16%
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Q
Bill S, member, from MN, United States, asked on July 22, 2018

Will this work for any of the following Manufacturers Gas Blacks 1.)Daniel Defense 2.) BCM 3.) Noveske 4.) Superlative Arms ?? If so which ones!?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on September 18, 2018

This is only guaranteed to work for SLR gas blocks as other manufacturers may have different screw spacing.

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Q
colin, member, from CA, United States, asked on May 03, 2019

I have the 5 spacing jig and which way does the lettering face when you put it on.

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on June 13, 2019

The numbers are the jig should face forward toward the muzzle end of the barrel.

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Q
BigWhiskey, member, from FL, United States, asked on February 01, 2023

what is the recommended depth of the dimple for .750 journal?

A
Answered by MNELS, member, from MN, United States, on July 16, 2025

I use a 5/32 135° bit and drill until the entire diameter has broken the surface, stopping before there is a vertical "wall." This works out to be about .030-.035" deep. It doesn't take much.

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Q
Bruce, member, from MI, United States, asked on March 16, 2022

Where is this made?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on May 02, 2023

The manufacturer does not state where the SLR Dimpling Jig Gas Block is made. For that information I recommend contacting SLR Rifleworks.

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Q
Olde Skule, guest, from TN, United States, asked on November 13, 2021

I Have a 16" DB 5.56 NATO barrel, will the . 750 dimple jig be the correct fit for the military stock style front sight stamped F?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on January 06, 2022

Please email us at techsales@opticplanet.com.

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Q
Optical Numchuck, member, from GA, United States, asked on September 17, 2021

What size is a normal mil spec barrel?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on January 28, 2022

Most standard AR15 barrels use a .750 in Gas Journal Diameter.

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Q
Van, guest, from NC, United States, asked on July 15, 2021

what size and type of drill bit do we need with this jig??

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on January 06, 2022

You would need a 5/32in drill bit.

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Q
John, member, from TX, United States, asked on June 18, 2020

Will the .750 jig work on a .625 barrel? Technically the screws are what tighten to the barrel, not the jig it self, correct?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on November 13, 2020

It is not recommended, the dimples could end up slightly off, and accuracy is critical.

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Q
Beto Martinez, member, from GA, United States, asked on March 07, 2020

What’s the drifrens all models

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on March 17, 2020

The difference between the units is the diameter of the jig. Different AR barrels have require different diameter gas blocks. You would need to get a SLR Dimpling Jig that matches the diameter of gas block that is required for your AR barrel.

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Q
Charles, member, from NC, United States, asked on November 19, 2019

Where do I get the bit at?

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on November 30, 2019

The required 5/32" drill bit must be purchased separately and SLR actually offers a kit with the drill bit, we unfortunately do not currently offer it.

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