Description
The MDT ACC Elite is competition-grade from the ground up, purpose-built for rimfire competitors who take their precision seriously. This is the full-system solution—not a stripped-down compromise. The 19-inch forend alone sets this apart, delivering a rock-solid platform that won't twist or flex when you're loading into a barricade or settling behind your rifle between shots.
What Makes the ACC Elite Elite
The core difference between this and MDT's other CZ457 options is the level of rigidity and refinement. The forend is wider, thicker, and longer than the Premier Gen2, which translates to measurable stability advantages on the competition line. You get that massive integrated Arca rail running the full length of the forend, plus a 1.75-inch heavy-duty barricade stop that gives you something real to push against. The connector bar linking the grip to the buttstock creates a chassis that simply doesn't twist or bend under recoil the way lighter systems do.
Tuning Your Setup
The strength of this system lies in its modularity without sacrifice. The SRS-X Elite buttstock adjusts toollessly for cheek height, back/front position, length of pull, and buttpad height. The included Vertical Grip Elite features back, front, and angular adjustments, plus an M-Lok thumb rest that lets you dial in your natural hand placement. This level of adjustability matters when you're trying to find your optimal position across different stages or disciplines.
Internal and external weight pockets throughout the forend and buttstock let you balance your rifle precisely. You can add up to 16.6 pounds total to the system, which means you're building a rifle that settles naturally under recoil and tracks predictably shot to shot. The included custom grip tape goes on the underside for extra purchase on bags and barricades. Everything about this setup is designed around what competition demands.
Key Specifications
- Manufacturer: MDT
- Manufacturer Part Number: 107957TBL
- UPC: 990482731021
- Action Compatibility: CZ 457 rimfire (right-hand)
- Forend Length: 19 inches
- Chassis Material: 6061 aircraft-grade aluminum, hard anodized with Cerakote
- Finish: Titanium Blue
- Rail System: Full-length integrated Arca rail with M-Lok slots
- Barricade Stop: 1.75-inch heavy-duty integrated stop
- Weight Capacity: Up to 16.6 lbs total with modular weights
- Length of Pull Range: 12.25 to 14.75 inches
- Buttstock: SRS-X Elite with toolless adjustments
- Grip: Vertical Grip Elite with backbar system (included)
- Magazine Compatibility: CZ 457 factory and aftermarket compatible
- Chassis Weight: 6.10 lbs (chassis only, before added weights)
What’s Included
- MDT ACC Elite chassis system (6061 aluminum construction)
- SRS-X Elite Buttstock with internal weight pockets
- Vertical Grip Elite with Connector Bar and adjustable M-Lok thumb rest
- Custom grip tape for forend underside
- Allen keys for adjustments (stored in stock cheek rest)
Frequently Asked Questions
What's the difference between the ACC Elite and the ACC Premier Gen2 for CZ457?
The Elite features a wider, thicker, and longer 19-inch forend versus the Gen2's 15-inch version. This increased size and mass eliminate virtually all flexion and provide superior barricade stability. The Elite also has expanded weight compatibility for more precise balance tuning. The Premier Gen2 is a solid mid-tier option, but the Elite is purpose-built for competitors demanding absolute rigidity and control.
Can I balance this chassis to a specific weight?
Yes, the integrated weight system allows you to add up to 16.6 pounds total across the forend and buttstock. You can place weights internally or externally via M-Lok slots to fine-tune your rifle's balance point and overall weight distribution. This modularity means you can dial in the exact feel and handling characteristics you want without permanently modifying the chassis.
Is the Arca rail going to be compatible with my bipod and other gear?
The full-length integrated Arca rail is Really-Right-Stuff spec, so it's compatible with standard Arca tripod heads and mounts. You can mount bipods, tripods, and other Arca-compatible accessories directly to the forend. The M-Lok slots throughout also let you attach any M-Lok-compatible gear or rails.
Does this chassis come fully assembled, or do I need to do any assembly?
The chassis system is essentially plug-and-play. You drop your CZ457 action in and tighten two screws. All the ergonomic components like the buttstock, grip, and adjustment systems are pre-assembled and ready to use. Your only assembly is mounting your barreled action into the inlet.





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