Defiance Machine - AnTi Action

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Product Information



Weighing as little as 19.2 oz.

If you watch your scales as closely as you watch your targets, check out the Defiance anTi action—a minimalist take on Defiance’s legendary precision actions. Weighing under 21oz. it still carries the same guaranteed headspace as the Ruckus or Tenacity with integral lug. Pre-hardened aircraft-grade 416 stainless steel receiver, paired with a chrome moly bolt. Featherweight. No compromises.

Standard Options as ordered 

  • Rear Tang - Standard Tang
  • Bolt Knob - .350" OD Hollow AnTi knob
  • Bolt Body - .700" Bolt
  • Bolt Nose - Recessed
  • Bolt Face - 
    • .480" - Standard .308 style bolt face
    • .550" - Magnum/RUM/PRC/SAUM
  • Bolt Fluting - Deep Flutes
  • Bolt Shroud - Remington Style 
  • Magazine Cut - BDL Hinged Floorplate (Will also work with center feed magazines such as HS Precision or Wyatt's Outdoor magazines)
    • ***.550 in MAG and .550 in RUM/PRC have same bolt body, but the RUM/PRC receiver is cut to accommodate the RUM/PRC cartridge in a BDL assembly. RUM/PRC Receiver body WILL NOT WORK with Magnum cartridges such as .300WM.***
  • Extractor - M16 Style
  • Nitriding - None


  • Approximate weights for complete action*
    • 20.6 oz – Medium (Rem. SA)
    • 22.2 oz – Long (Rem. LA)

*complete action consists of stainless-steel receiver, one-piece 4340 CM bolt, handle/knob, firing pin assembly with aluminum shroud, and side bolt release

  • Receiver made of pre-hardened aircraft-certified 416 stainless steel with integral recoil lug.
  • 4340 chrome moly bolt made in one operation, enabling guaranteed headspace +/- .001″
  • Recessed bolt lugs, Mini-16 extractor, and plunger standard
  • Receiver barrel threads are 1.0625” X 16 T.P.I. (Rem. 700 thread dia. and pitch)
  • Actions available in:
    • Medium (Rem. SA)
    • Long (Rem. LA)
  • Bolt face available .480″, and .545″
  • Available in right & left hand
  • Works with hinged floorplates and center feed detachable magazines


  • All material pre-hardened prior to machining to prevent changing tolerances during heat treat.
  • Bolt machined from one piece of pre-hardened 4340 chrome moly in one operation enabling guaranteed headspace +/- .001″.
  • Receiver machined from one piece of pre-hardened 416SS.
  • Wire EDM-cut, full-length lug ways result in smooth bolt operation.
  • Primary extraction design significantly increases initial extraction and ensures smooth bolt cycling.

Everything Included

  • Extensively machined Receiver body with integral recoil lug
  • Bolt stop/side bolt release, spring, pin
  • Extra light one-piece bolt
  • anTi X Deep bolt fluting
  • Mini-16 extractor
  • Hollow anTi bolt knob
  • Fluted firing pin/spring
  • Cocking piece
  • Aluminum bolt shroud
  • Trigger pins


  • Red Hawk Rifles LLC. will transfer ownership of any firearm/receiver ONLY to individuals or agencies in possession of a valid Federal Firearms License (FFL). We cannot ship to individuals without a valid FFL.
  • It is the buyer’s responsibility to check and comply with local, state, and federal laws. The buyer assumes all legality, liability and responsibility for the condition, use & security/storage of the firearm/receiver purchased.
  • It is the buyer’s responsibility to contact the FFL dealer. Be aware that it is customary for your local dealer to charge a transaction fee at the time you pick up your purchase.This transfer fee is strictly between you and your local dealer. It is your responsibility to check with your local dealer concerning any policy of this kind and concerning your obligations.
  • You the buyer are responsible for forwarding a copy of the FFL and all pertinent contact information to Red Hawk Rifles LLC. FFL’s can be sent to:

Fax: 970-242-6177

  • 5

    Defiance Machine Anti Action

    Glenn Barteau on Jul 18th 2023

    Outstanding quality and very light weight

  • 5


    JohnO on May 27th 2022

    My dream action. Just looking forward to the build being completed.

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