Tier-One Tactical Bolt Knob - M8 Thread
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Tier-One Tactical Bolt Knob - M8 Thread

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Return time
15 days
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Tier-One Tactical Bolt Knob - M8 Thread Product description

  • Oversized tactical profile: The larger bolt knob gives the hand a more positive contact point, helping the shooter cycle the action faster and with better control during positional, hunting, or precision rifle use.
  • M8 thread fitment: The M8 thread pattern is intended for compatible rifle bolt handles, making this accessory a straightforward way to change the feel of the action without altering the rifle’s core function.
  • Aluminium construction: Aluminium keeps weight low while still providing the rigidity needed for repeated bolt manipulation, so the rifle gains better handling without unnecessary bulk.
  • 50.00 g weight: The modest weight adds useful substance to the bolt handle for a more deliberate feel, while remaining light enough not to make the rifle feel unbalanced.
  • Black finish: The subdued black finish suits tactical and sporting rifle setups alike and blends cleanly with common action, stock, and chassis colours.

About the Tier-One Accessories Series

Tier-One Accessories is the supporting hardware range from a British maker focused on high-precision rifle-shooting equipment. The series is built around practical parts that refine how a rifle handles in the field or on the range, rather than changing the rifle’s basic role. That makes it relevant to shooters who want more control over ergonomics, support equipment, and small handling details that affect speed and consistency.

Within the broader Tier-One catalogue, the accessories line sits alongside the company’s mounts, moderators, and bipods, and reflects the same emphasis on machined construction and functional design. The range includes parts for rifle-related use such as adapters and accessory components that help tailor a setup to a specific discipline. In practice, the series is aimed at shooters who value dependable fit, clean machining, and parts that integrate naturally with precision and tactical rifle systems. The result is a family of accessories that supports a more efficient, more personalised shooting platform.

About the Tier-One Tactical Bolt Knob - M8 Thread

The Tier-One Tactical Bolt Knob - M8 Thread is a rifle accessory designed to improve the feel and leverage of the bolt handle on compatible rifles. Its main advantage is simple but important: a larger, more purposeful contact surface makes the bolt easier to grasp quickly and cycle with confidence. For precision shooting, that can help maintain rhythm between shots; for practical or hunting use, it can make manipulation easier when speed matters or when gloves reduce fine hand control.

The use of an M8 thread makes this model suitable for rifles that accept that thread pattern, giving shooters a defined fitment standard rather than a universal compromise. Its aluminium body keeps the part light at 50.00 g, so it adds handling benefit without making the bolt feel overly heavy or cumbersome. That balance matters on rifles that are carried over distance as well as on range rifles where smooth, repeatable operation is a priority.

Finished in black, the knob matches well with modern tactical and sporting rifle builds. More importantly, its shape and material choice are aimed at practical use: better purchase, clearer hand placement, and a more controlled bolt stroke. For shooters refining a rifle’s ergonomics, this is a focused upgrade that improves one of the most frequently used contact points on a bolt-action platform.

About Tier-One

Tier-One is a British manufacturer that was incorporated in early 2008 to develop precision equipment for rifle shooting. The company is based in the United Kingdom and produces components in-house using its own five-axis CNC machines, a manufacturing approach that aligns closely with the tolerances expected in scope mounts, bipods, moderators, and related accessories. Its product range has expanded from an initial single item to a broader catalogue of shooting equipment, including optic mounts and rifle accessories.

Tier-One is also established as an OEM supplier, having produced products for names such as Blaser, Sauer, AI, and March, and it manufactures precision scope rings for Zeiss USA. That background is relevant here because it shows a company rooted in machining accuracy and practical rifle-system design rather than general outdoor accessories.

Main Features

  • Manufacturer: Tier-One
  • Series: Tier-One Accessories
  • Made in: United Kingdom
  • Warranty: 2 years
  • Weight: 50.00 g
  • Material: Aluminium
  • Accessory for: Rifles
  • Colour: Black

Warranty

This Tier-One accessory is supplied with a 2-year warranty, covering the product for a clearly stated period from the manufacturer.

General properties

Manufacturer Tier-One
Accessories series Tier-One Accessories
Made in United Kingdom
In production since -
Warranty 2 years
SKU T1TACBK

Physical properties

Weight. 1.76 oz (50.00 g)
Material Aluminium
Accessories for Rifles
Color Black

Most common questions (Q&A)

Need help? Not sure about something? Don't hesitate - ask our community! Our experienced community is here to help you with this question.

Hi all,
What is the thread pitch of this bolt knob? I need M8×1. That is the confirmed thread pitch for my Sauer 100.
Thanks

by Steve Cope

Dear Sir!

Yes, the Tier-One Tactical Bolt Knob features an M8×1 thread.

According to our information, this matches the thread specification of the Sauer 100 bolt handle.

For any additional questions or assistance, don't hesitate to get in touch with us at [email protected]

Kind regards,

by Optics Trade team

I need to know if this bolt knob will fit a Sauer 100 or Mauser 18. I believe the thread size is m8 pitch 1. Thanks!

by Jeff

Dear Jeff,

thank you for your message.

Unfortunately, we are unable to confirm this. We advise you to reach out to the manufacturer for more information about the threads on the rifle.

Thank you for your understanding and please do not hesitate to contact us at [email protected] if we can assist you in any other way.

Kind regards

by Optics Trade team

Does this knob fit ON a SAUER S100 Tier one Tactical bolt knob in M8 thread. Thank you .

by ELVIO

Dear ELVIO,

thank you for your message.

Unfortunately, we do not have information on the thread of the rifle's bolt knob, so we are unable to confirm this.

Thank you for your understanding and please do not hesitate to contact us at [email protected] if we can assist you in any other way.

Kind regards

by Optics Trade team

Respect, Does this tier-one bolt handle fit the Sauer 404 (2002)!? Thank you! Lp

Postovanje, Dali odgovara ova tier-one bolt handle na Sauera 404 (2002)!? Hvala! Lp

by Kruno

Dear Crown,

Thank you for your question.

This "bolt grip" is suitable for all M8 threaded rifles.

In case of any questions, feel free to contact us at [email protected]

We warmly welcome you,

Poštovani Kruno,

hvala Vam na pitanju.

Ova "drška zatvarača" je prikladna za sve puške s navojem M8.

U slučaju bilokojih pitanja, slobodno možete, da se nam javite na [email protected]

Lepo Vas Pozdravljamo,

by Optics Trade team

Looking for one like this for a CZ 557 !

by TIMOTHY

Dear Sir,

thank you for contacting us.

The thread size is M8, which means that you either need the M8 thread or your gunsmith needs to adapt it for your rifle.

If you have any further questions or concerns, please do not hesitate to contact us directly at [email protected]. We are here to help.

Kind Regards,

by Optics Trade team

Hello, Is the Tier-One Tactical Bolt Knob - M8 Thread lever ball suitable for the lever of the Sauer 404? Thanks

by Peteille

Dear Sir,

Thank you for your inquiry.

Unfortunately, we do not have this information at the moment. Therefore, I suggest you contact Sauer directly, they will tell you the correct thread to pick for your rifle.

Kind regards

by Optics Trade team

Hello, Is it suitable for the Sauer 404? Kind regards

Bonjour, Est-ce que c'est adapté pour la Sauer 404 ? Cordialement

by Peteille

Dear Peteille,

thank you for contacting us.

Yes, Sauer 404 has a M8 thread.

If you will need any additional information you can contact us at [email protected]

Kind regards,

by Optics Trade team

Helloo. This bolt knob fit for the Sauer 100?

by Ionuț

Please note that some gunsmithing may be required to facilitate fitting to some rifles. The internal thread is M8.

by Optics Trade team

Hi there, I’m Ordering from Australia and want to be absolutely sure. Does the M8 thread definitely fit a Sauer S100? Thanks in advance

by Matt

Dear Sir,

Unfortunately, please note that we don't have this information.

Kind Regards,

by Optics Trade team

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