Bolt PartsArea 419Sold by Brownells

Area 419

419 Bolt Knob - Defiance (5/16''''-24) Bolt Knob

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Finger Groove

A pointer finger

Competition General

Use on precision rifles

Made From

6061-T6 aluminum

Anodized Flat

Black finish

Defiance Bolt

Knobs are threaded 5/16-24

$24.99
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SKU: 100032688

Overview

Designed for precision rifle setups, this bolt knob is intended for competition and general-purpose use where fast, repeatable bolt manipulation matters. The finger groove is meant to help the shooter find a consistent grip without repositioning each time, which can be useful during extended shooting strings or when working the bolt under time pressure. It is made from 6061-T6 aluminum with a flat black anodized finish, and this version is threaded for Defiance and Remington bolt knobs at 5/16-24. Compatibility is specific, so it is important to confirm your bolt pattern before ordering.

Why Hunters Choose the Area 419

Finger Groove

A pointer finger grip

Competition General

Use on precision rifles

Made From

6061-T6 aluminum

Anodized Flat

Black finish

Threaded 5/16-24

For Defiance bolt knobs

Key Features

  • Finger groove helps guide bolt manipulation with a pointer finger.
  • Designed for competition and general use on precision rifles.
  • Made from 6061-T6 aluminum.
  • Anodized flat black finish.
  • Defiance bolt knobs are threaded 5/16-24.
  • Brand: Area 419.

Best Used For

  • Competition shooters needing a bolt knob designed for quick, repeatable bolt manipulation.
  • General-use precision rifle owners wanting a finger groove for consistent hand placement.
  • Defiance bolt users looking for a threaded bolt knob compatible with 5/16-24 threads.
  • Hunters who prefer a compact, anodized black bolt knob for a clean rifle setup.

Specifications

Bergara Thread SizeM6x1
Blade Finishanodized flat black
CompatibilityDefiance and Remington bolt knobs
Country Of OriginMade In The USA
Designed Usecompetition and general use
Featurefinger groove
Material6061-T6 aluminum
Mausingfield Compatibilityonly work on Mausingfield and Nucleus bolts
Mausingfield Thread Size10-32
Remington Knob Length1-5/8
Thread Size5/16-24

Pros

  • Finger groove supports quick bolt manipulation with a pointer finger grip.
  • Designed for competition and general use on precision rifles.
  • Made from 6061-T6 aluminum.
  • Anodized flat black finish.
  • Threaded 5/16-24 for Defiance bolt knobs.

Considerations & Trade-offs

  • Compatibility is specific to Defiance bolts with 5/16-24 threading, so it is not a universal fit across all rifle platforms.
  • The finger groove is designed for quick indexing, but it may feel more specialized than a plain knob for shooters who prefer a simpler shape.
  • This is an aluminum, anodized bolt knob, so it adds a dedicated upgrade rather than a full bolt assembly or broader bolt-handle change.
  • The product is positioned for competition and general use, which makes it a focused accessory rather than a multi-purpose rifle component.

Suggested Comparisons

  • Precision rifle bolt knobs
  • Competition rifle accessories
  • Bolt handle upgrades
  • Rifle action accessories

Suggested Accessories

  • Bolt knob installation tool
  • Thread locker
  • Cleaning cloth
  • Gun vise

Frequently Asked Questions

What rifles is this bolt knob compatible with?

The product data states that Defiance and Remington bolt knobs are threaded 5/16-24. It also notes separate thread patterns for Bergara (M6x1) and Mausingfield (internally threaded 10-32), with Mausingfield compatibility limited to Mausingfield and Nucleus bolts.

What is the main design feature of this bolt knob?

Its main feature is a finger groove intended to let you manipulate the bolt with your pointer finger without having to search for the ideal hand position each time.

What material is it made from?

The bolt knob is made from 6061-T6 aluminum and anodized flat black.

Is this bolt knob intended only for competition use?

No. The description says it was designed as an all-around bolt knob for competition and general use.

Does the product data include installation instructions or torque specs?

No. The provided product information does not include installation instructions or torque specifications.