Select the inlet from the dropdown for available options. The ACC (Adjustable Core Competition) Chassis is designed with an integrated, modular weight system, allowing you to customize the balance and mass of your rifle for optimal performance and reduced recoil.

Key Features

• Integrated Weight System: Customize balance and mass with internal and external weights, adding up to 9 pounds of steel to your rifle.
• Full Arca Rail: Extends the entire length of the forend with M-LOK mounting points for accessories and additional weights.
• Competition Design: Ideal for PRS and NRL shooting styles, developed with extensive testing and collaboration with competition shooters.
• Adjustability: Add weights to the buttstock, interior forend, or exterior forend M-LOK. The original weight of 5.9 lbs can increase to 12.3 lbs (chassis only).
• Modularity: Adjust weights without removing the barreled action. Internal weights insert from the front of the forend; external weights attach via M-LOK.
• Enhanced Features: Includes a 17” ARCA/RRS forend, flared magazine well, extended barricade stop, widened thumb shelf, adjustable cheek riser, and length of pull.

Mounting and Compatible Accessories

• Buttstock Compatibility: Accepts an ESS-compatible buttstock with modifications for extra weight and solid lockup adjustments.
• Grip Compatibility: Designed to work with the MDT Vertical Grip.
• Magazine Compatibility: Accepts AICS-pattern external box magazines.
• Accessory Compatibility: Supports M-LOK patterned accessories along the forend. The full-length Arca/RRS dovetail allows for infinite accessory adjustment.

Compatibility

• Remington 700 Short Action and most aftermarket clones
• Remington 700 Long Action CIP (requires 3.850” magazines)
• Savage Short Action (Models 10, 11, 12, 16)
• Tikka T3 Short Action calibers (also supports Tikka T1x)
• Howa 1500 / Weatherby Vanguard Short Action
• CZ 455 (not compatible with CZ455 Tuning trigger)
• Defiance XM

What You Get and What You Need

The ACC chassis system comes as a chassis ,buttstock and vertical grip.

Specifications

• Material: CNC Machined from 6061 Aluminum
• Weight: 5.9lb – 13.3lb, depending on the rifle model and number of weights added
• Finish: Cerakote in Tactical Grey
• ARCA/RRS Dovetail: 17″ with retention screw
• Attachment System: M-LOK pattern on all 3 faces of the forend
• Grip Compatibility: Accepts most AR-15 pistol grips, designed with the MDT Vertical Grip in mind
• Thumb Shelves: Wider, ergonomic design
• Mag Latch Limiter: Prevents over-camming and pinching of magazines
• Buttstock Interface: Proprietary ESS buttstock interface
• Barrel Channel: Free-floating with removable end cap for interior weight installation and adjustment
• Trigger Slot: Accommodates R700 single-stage triggers
• Barrel Diameter: Up to 1.350″
• Magazine Compatibility: AICS style

The MDT ACC Premier Chassis System Gen 2 is perfect for competitive shooters looking for maximum performance and customization.