Description
The MDT ACC Elite brings top-tier competition DNA to the CZ 457 rimfire platform. Built for shooters who demand nothing less than total control over their setup, this chassis transforms a 22 LR rifle into a legitimate precision machine.
Why the ACC Elite for Your CZ 457
This isn't just another stock swap. The ACC Elite was developed with input from competitive shooters who live and breathe precision rifle competitions. It delivers the same engineering standards you'd find in centerfire competition rigs, but dialed in specifically for the compact rimfire market. The 19-inch forend gives you real estate to work with without unnecessary bulk, and the integrated full-length Arca rail runs the entire length of the bottom for mounting everything from tripods to balance weights.
Modularity and Weight Tuning
One of the standout features here is the weight system. You can dial in the balance of your rifle with interior and exterior weights mounted throughout the buttstock, barrel channel, and forend. This isn't fluff—when you're grinding through prone positions or working barricade transitions, having your rifle sit exactly where you want it makes a measurable difference. The SRS-X Elite Buttstock adjusts from 12.25 to 14.75 inches of length of pull with zero tools, so you can dial it in for your body and keep it there.
Barricade-Ready Out of the Box
The integrated barricade stop is wide and aggressive, designed to lock your rifle in position when you're pulling hard on obstacles or bags. The adjustable magwell works with factory CZ magazines, and there's even room for optional dowels to tighten up magazine fit if needed. M-LOK thumb rests on both sides give you control during rapid transitions, and the adjustable Vertical Grip Elite includes a connector bar that adds rigidity under recoil.
Key Specifications
- Manufacturer: MDT (Modular Driven Technologies)
- Model: ACC Elite
- Manufacturer Part Number: 107956BLK
- UPC: 990482730567
- Rifle Platform: CZ 457 Short Action
- Hand Orientation: Right Hand
- Finish: Cerakote Black
- Material: Hard anodized 6061 aircraft-grade aluminum with polymer panels
- Forend Length: 19 inches
- Length of Pull Range: 12.25 to 14.75 inches
- Weight: 6.10 lbs (depending on model and added weights)
- Magazine Compatibility: Factory CZ 457 magazines (5, 10, 13, 15 round)
- Rail System: Full-length integrated Arca rail with M-LOK slots
- Barricade Stop: Integrated wide and aggressive design
What’s Included
- ACC Elite chassis (19-inch M-LOK forend with integrated Arca rail)
- SRS-X Elite Buttstock with quick-release buttons
- MDT Vertical Grip Elite with connector bar
- Ambidextrous M-LOK thumb rests
- Pre-installed 1-inch buttstock spacer
- Optional grip tape for barricade work
- Magnetic hex key storage under cheek rest
Frequently Asked Questions
Will the ACC Elite chassis work with factory CZ 457 magazines?
Yes, the ACC Elite is designed to work with factory CZ 457 magazines in 5, 10, 13, and 15-round configurations. The magwell is adjustable and includes space for optional dowels to create a tighter fit if you prefer.
How adjustable is the length of pull on this chassis?
The SRS-X Elite Buttstock adjusts from 12.25 to 14.75 inches via included spacers, and the adjustment is tool-free. You can also fine-tune cheek height independently, making it easy to dial in the perfect fit for your body and scope height.
Can I add weight to the ACC Elite for balance tuning?
Yes, the chassis features an integrated weight system with mounting points in the buttstock, barrel channel, and forend. You can add interior and external weights throughout the system to dial in the exact balance and recoil characteristics you want.
What makes the ACC Elite different from other CZ 457 chassis options?
The ACC Elite is MDT's top-tier competition chassis, offering a 19-inch forend with full-length Arca rail, modular weight tuning, aggressive barricade stop, and competition-tested ergonomics. It's engineered as a complete system prioritizing rigidity and shooter control rather than just modularity alone.





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