Description
The MDT ACC Elite transforms a CZ 457 into a world-class precision rimfire platform. This isn't a compromise or an afterthought—it's a complete system designed from the ground up for competitors who take their match game seriously. Whether you're running NRL22 or PRS Rimfire disciplines, you get the exact ergonomics and modularity found in full-sized centerfire setups, just built for .22.
What Makes the ACC Elite Stand Out on the Range
Rigidity matters when you're stacking points, and the ACC Elite delivers with a strengthened forend, solid center base, and connector bar linking the grip to the buttstock. This creates a platform that doesn't twist or bend under recoil or when you're loading into a prop. The 19-inch forend runs full-length with an integrated Arca rail and a heavy-duty 1.75-inch barricade stop, giving you endless options for mounting accessories and a rock-solid interface for bags and barricades. Underside grip tape digs into your support, helping the rifle settle where you want it every time.
Fine-Tuning Your Perfect Balance
The ACC Elite's integrated weight management system lets you dial in exactly the balance point you need. Internal and external weight pockets accept modular weights that can be added to the forend or buttstock without pulling the barreled action. Start at 4.5 pounds and scale up to 16.6 pounds of total system weight—whatever your shooting style demands. The toolless SRS-X Elite Buttstock adjusts instantly for length of pull and cheek height, letting you dial in comfort between strings without fumbling.
Built for Competition, Built to Last
Machine from 6061 aluminum with a precision V-block bedding system, the ACC Elite locks your CZ 457 action down tight. The chassis accepts AR-15 pattern grips and includes the MDT Vertical Grip Elite with connector bar, giving you both forward and backward grip adjustment plus angular options for different preferences. M-LOK slots run along both sides and the bottom of the forend, making it straightforward to add whatever support gear you prefer.
Key Specifications
- Manufacturer: MDT (Modular Driven Technologies)
- Model: ACC Elite
- Manufacturer Part Number: 107956FDE
- UPC: 990482730550
- Firearm Compatibility: CZ 457 Rimfire Action
- Hand Configuration: Right Hand
- Finish: Flat Dark Earth (FDE) Cerakote
- Core Material: 6061 Aluminum
- Forend Length: 19 inches
- Forend Design: Rigid with full-length integrated Arca rail
- Barricade Stop: 1.75-inch heavy-duty
- Bedding System: Precision aluminum V-block
- Buttstock: SRS-X Elite (toolless adjustable)
- Grip: MDT Vertical Grip Elite with connector bar (included)
- Accessory Mounting: M-LOK slots and internal/external weight pockets
- Designed For: NRL22 and PRS Rimfire Competition
What’s Included
- ACC Elite chassis body (FDE finish)
- SRS-X Elite adjustable buttstock
- MDT Vertical Grip Elite with connector bar
- Action screws and hardware
- Installation instructions
Frequently Asked Questions
Does this ACC Elite chassis come with weights, or do I need to buy them separately?
The chassis includes the framework and pockets for modular weights, but weights are typically sold separately. The system scales from 4.5 pounds (chassis only) up to 16.6 pounds with weight added. You can fine-tune your build based on your specific needs and barrel length.
What magazines are compatible with the ACC Elite CZ 457 chassis?
The ACC Elite is designed to work with standard CZ 457 factory magazines, including the 10-round CZ magazine. The magwell is sized for proper function and compatibility with your rifle's feeding system.
Can I adjust the length of pull and cheek height on the SRS-X Elite buttstock?
Yes, the SRS-X Elite buttstock features toolless adjustments for both length of pull and cheek height, allowing you to dial in your perfect fit quickly between strings or stages. These adjustments let you adapt the chassis to your individual fit without removing your barreled action.
Is the Arca rail integrated into this chassis, or is it an add-on?
The full-length Arca rail is fully integrated into the forend design of the ACC Elite, running the entire length underneath. It's built in, not bolted on, providing a seamless interface for mounting bags, monopods, and other Arca-compatible accessories.




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