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BAT Machine

BAT Machine, EXS, Stainless Steel, Nitride, Standard length, Round 2.0 in, Right Bolt, Spiral Fluting, 408 Cheytac, Tactical knob, Right Load, Right Eject STD, Picatinny Bolt On 60 MOA, Bolt in Lug

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BAT Machine EXS: The Ideal Action for ELR Matches

BAT Machine EXS: The Precision Action for Extreme Long Range Shooting

Introduction to BAT Machine EXS

Introducing the BAT Machine EXS, a meticulously crafted action designed specifically for Extreme Long Range (ELR) shooting. This action is engineered to adhere to the 40lb weight limit prevalent in many ELR matches.

Design and Construction

The EXS action is a modification of our popular EX model, with a reduction of 2 inches in length to aid in weight management. Crafted from Stainless Steel with a Black Nitride finish, it features a standard length, round 2.0-inch body, right bolt with spiral fluting, and a tactical knob. It is designed for 408 Cheytac with right load and right eject STD, and comes equipped with a bolt-on Picatinny rail offering 60 MOA.

Key Features

  • Overall length of 10.00 inches, ensuring a perfect balance of size and functionality.
  • One-piece bolt with a flat bolt head for enhanced stability and accuracy.
  • Dual port version weighing 100 oz., optimized for ELR match regulations.
  • Load and eject port length of 3.9 inches for efficient operation.
  • Included action screws, pillars, and an aluminum trigger guard with a 60 MOA Picatinny rail.
  • Barrel tenon specifications at 1.5 x 16 tpi.
  • Large anodized aluminum knob with a 5/16-24 thread for ease of use.
  • Two bolt face options: .65 (Chey-Tac) and .81 (BMG), tailored for specific needs.

Safety Note

Important: The barrel tenon for Chey-Tac and BMG bolt faces are different. Utilizing the incorrect specifications could lead to serious harm. Please ensure the correct prints are used for each bolt face type.


The BAT Machine EXS action is a prime example of precision engineering, designed to meet the specific demands of ELR shooters. Its balance of weight, durability, and functionality makes it a top choice for competitive shooters.

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Additional Information

Model / Type:
Stainless Steel
Round 2.0in
Bolt Orientation:
Bolt Fluting:
Bolt Face Diameter:
.640 +/-
Bolt Knob Style:
Load Port:
Ejection Port:
Picatinny Rail:
Bolt On
Minute of Angle:
60 MOA
Recoil Lug:
Bolt In
Extractor Type:
Slide Plate
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