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Heresy Design Silencer Timing Device Up to 10% Off — 2 models

Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
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Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA

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Questions & Answers
Can these be used in place of standard shims for a dead air muzzle break.?

Yes! This is exactly what they are for.

by Z, Verified Owner, June 30, 2026
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Muzzle device timing shims by Rick, Verified Owner, April 18, 2026
These are just the ticket for properly locating and retaining various muzzle devices. Unaffected by recoil or temperature. Well made, tempered and concentric.
2/2 found this helpful
Helpful Positive Review
Quality Products by John K., Verified Owner, May 23, 2026
I’ve been dealing with OpticsPlanet for many years now and have always been satisfied with the quality. From the simple things like a washer to a trigger or muzzle, their products are well manufactured as they should be. Keep up the good work. John K...
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1/3 found this helpful
Helpful Positive Review
The only good STD to catch by Bryan B, Verified Owner, September 23, 2026
timing was always my biggest grief with directional muzzle devices, fumbling with 20 shims trying to get it absolutely perfect, and then once you think its perfect and you torque it down it goes past what you expected and now you gotta restart the wh...
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1/1 found this helpful
Helpful Positive Review
Good execution by Austen R, Verified Owner, August 4, 2026
I didn’t really understand how they would work when I first bought them over traditional shims. They have a ridiculously easy to follow instruction guide, and on top of that there was no guess work if you’ve shimmed for the correct clocking. Genuinel...
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1/1 found this helpful
Helpful Positive Review
Silencer Timing Device by Odie, Verified Owner, October 9, 2026
Purchased these to help time muzzle device for can use. Not hard to use, but definitely watch the instructional video explaining proper installation. QR code on package takes you right to it.
1/1 found this helpful
Helpful Positive Review
Good product by Mike, Verified Owner, June 30, 2026
Used to mount a compensator to a PCC. Was very easy to install, locked up well and allowed an easy and proper index of the muzzle device. I will definitely use this again to mount other items that need to be specifically indexed to my firearms.
2/2 found this helpful
Read All 15 Reviews
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made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Heresy Design Silencer Timing Device

The patent pending Heresy Design Silencer Timing Device (STD) was designed for timing muzzle devices or silencer mounts. It can also be used to retain direct thread silencers. Unlike traditional 6-10 piece shim sets, the STD simplifies the process with 3 washers, and can be installed in under 60-seconds.image

Specifications for Heresy Design Silencer Timing Device:

Manufacturer: Heresy Design
Color: Black
Country of Origin: USA

Features of Heresy Design Silencer Timing Device

  • Precise Alignment: Designed to produce 25 ft. lb., once the alignment point is reached, no additional torquing is required.
  • Easy Installation: No specialized tools or advanced knowledge required.
  • Insurance for Your Investment: Reduces the risk of damage to your suppressor.

Package Contents:

  • Heresy Design Silencer Timing Device

Heresy Design Silencer Timing Device Orderable Models

List of Orderable Models

  • Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA , MPN: HSTDA , UPC: 850055721166 , Code: 6KH-FSH-ERT-HSTDA
  • Heresy Design Silencer Timing Device - 5/8in Threads, Black, HSTDB , MPN: HSTDB , UPC: 850055721180 , Code: 6KH-FSH-ERT-HSTDB
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Last updated 2026-10-09 UTC.