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Defiance Machine

Defiance, anTi X, SS, Nitride, XM, RB, X-Deep anTi Fluting, Magnum, anTi Knob/Handle, BDL, Right Eject, Picatinny Integral 20 MOA, Integral Lug, Recessed Bolt Nose, M16 Extractor, Aluminum Shroud

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MSRP: $1,745.00
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Defiance anTi X: Pioneering Precision with the Ultra-Lightweight Rifle Action

Introduction to the anTi X

Defiance arms has once again set the standard for precision rifle actions with the release of the anTi X model. This cutting-edge rifle action is designed for serious shooters who demand lightweight equipment without compromising on performance and durability.

Unmatched Lightweight Design

The anTi X is remarkably lightweight, starting at just 23 ounces. This ultra-lightweight design makes it an ideal choice for shooters who value ease of mobility without sacrificing the integrity and performance of their rifle setup.

Premium Construction and Features

Superior Materials

The anTi X is crafted from pre-hardened 416R stainless steel for the receiver and 4340 chrome moly steel for the bolt, ensuring longevity and reliability. These materials are known for their resistance to corrosion and ability to withstand extreme conditions.

Precision Engineering

  • Receiver: Incorporates an integral recoil lug and is machined from aircraft-certified stainless steel to offer superior strength.
  • Bolt: Made in a single operation to provide a guaranteed headspace tolerance of +/- .001", ensuring precise and consistent firing.

Specifications of the anTi X

Action Weights and Sizes

  • Short (Rem. SA): 23 oz
  • XM (3.200″ max cartridge length): 23.8 oz (requires XM BDL KIT)
  • Medium (formerly known as XM Plus): 24.0 oz
  • Long (Rem. LA): 24.4 oz

Detailed Features

  • Scope Mounts: Features a 0 or 20 MOA integral rail, skeletonized for weight reduction while maintaining structural integrity.
  • Thread and Bolt Face: The receiver barrel threads are standard at 1.0625” X 16 T.P.I., compatible with Remington 700 barrel dimensions. Bolt faces are available in sizes .390", .480", .550", and .595".

Compatibility and Functionality

  • Magazine Compatibility: Works seamlessly with hinged floorplates and center feed detachable magazines. A .308 version is available with an AICS/AW magazine cut, enhancing versatility for various shooting disciplines.
  • Ambidextrous Design: Available in both right-hand and left-hand configurations to accommodate all shooters.

Manufacturing Excellence

Precision Machining

All components of the anTi X are machined from pre-hardened materials, ensuring that tolerances remain consistent even under the stress of heat treatment. This meticulous process includes Wire EDM-cut, full-length lug ways for a smooth bolt operation.

Enhanced Bolt Performance

The primary extraction design of the bolt significantly increases the initial extraction and ensures smooth bolt cycling, critical for reliable performance in competitive and hunting scenarios.

Comprehensive Package

Included Components

With each anTi X action, customers receive:

  • Receiver Body: Extensively machined with integral rail sections and recoil lug.
  • Bolt Assembly: Features X-Deep anTi fluting and a hollow anTi bolt knob for reduced weight and improved functionality.
  • Additional Features: Includes a bolt stop, side bolt release, fluted firing pin and spring, cocking piece, aluminum bolt shroud, and trigger pins.


The Defiance anTi X is a testament to the fusion of innovative design and practical functionality, setting a new benchmark for what shooters can expect from a high-performance, ultra-lightweight rifle action. Whether for competition or recreation, the anTi X stands ready to elevate the shooting experience to

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Additional Information

Model / Type:
anTi X
Stainless Steel
Round 1.35in
Bolt Orientation:
Bolt Fluting:
Bolt Face Diameter:
.550 +/-
Bolt Knob Style:
Load Port:
Ejection Port:
Picatinny Rail:
Minute of Angle:
20 MOA
Recoil Lug:
Extractor Type:
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