MDT ACC Chassis System – Main Chassis & Buttstock


Designed for competitors, the Adjustable Core Competition (ACC) is the result of endless testing and collaboration with competition shooters, implementing the most crucial and results-driven features while ensuring accuracy and precision remain unparalleled.

The MDT ACC Premier Chassis System was created with an integrated weight management system, allowing shooters to fine-tune their chassis’ weight and balance point. Add weights to the buttstock as well as the forend on both the interior and exterior. With an original weight of 4.5 lbs, it can be fitted for a maximum of 12.3 lbs, but that’s only for the chassis itself. Add your action, barrel, scope, and other accessories and you could be pushing 25-30 lbs.

All of this modularity can be achieved without taking your barreled action out of the chassis system. Internal forend weights can be inserted for the front of the forend and screwed in place, while external weights are designed to be M-LOK compatible and easily attached on either side of the forend. This allows shooters to rapidly adjust the feel and recoil of their system, even while at the range.


The MDT ACC Premier Chassis System was designed in collaboration with some of the worlds top PRS shooters to be the ultimate competition rifle stock, and is widely regarded as such.


Achieving the perfect balance point on your rifle stock is an important factor when tuning your build. Manage the weight of your Competition Chassis System with modular weights that can be added to the forend, internal and external, as well as the buttstock, ensuring that a perfectly balanced rifle is attainable for any build.


The included MDT SRS-X Premier Buttstock features more rifle stock adjustability than one could ever need, while the MDT Vertical Grip Elite (also included) provides both forward and backward grip adjustment, as well as angular adjustment for those that prefer a slight angle to their grip. Achieving the perfect fit your your body and shooting style is paramount for consistently putting rounds on target, and the MDT ACC Premier Chassis System is adjustable to suit all.


Two accessory mounting ports on both sides, as well as M-LOK slots along the both sides, and bottom of the entire ACC forend enable you to easily customize your chassis with supportive accessories such as the MDT Multi-Caliber Spare Round Holder and the MDT Data Card Holder and any other accessory that attaches via M-LOK.


The ACC Chassis features an ultra-wide, flat forend making it incredibly stable on barricades and other obsticles. This forend also benefits from 17+ inches of integrated ARCA, allowing not only perfect positioning of any dovetail accessories such as bipod/tripod, but also rapid position adjustment or removal.


The MDT ACC Premier Chassis System is available in our standard Cerakote Black, and FDE, as well as Storm Trooper White, Sky Blue, ODG, Crimson Red and Tactical Grey.


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Additional information

Action & Colour

CZ 455 22LR or 17HMR/Right Hand/Cerokote Black, CZ 457 22LR or 17HMR/Right Hand/Cerokote Stormtrooper White, CZ 457 or 17 HMR/Right Hand/Cerokote FDE, CZ457 22LR or 17 HMR/Right Hand/Cerokote Black, Defiance XM Action (requires XM Mag)/Right Hand/Cerokote OD Green, Howa 1500 SA/Right Hand/Cerokote Black, Howa 1500 SA/Right Hand/Cerokote Burnt Bronze, Howa 1500 SA/Right Hand/Cerokote FDE, Howa 1500 SA/Right Hand/Cerokote Tactical Grey, Remington 700 LA (Requires MDT 3.850 Mag)/Right Hand/Cerokote Black, Remington 700 LA (Requires MDT 3.850 Mag)/Right Hand/Cerokote FDE, Remington 700 SA/Left Hand Cerokote Black, Remington 700 SA/Left Hand Cerokote Tactical Grey, Remington 700 SA/Right Hand/Cerakote Black, Remington 700 SA/Right Hand/Cerakote Tactical Grey, Remington 700 SA/Right Hand/Cerokote FDE, Savage LA CIP/Right Hand/Cerokote Black, Savage Short Action/Right hand/Cerokote Black, Savage Short Action/Right hand/Cerokote FDE, Tikka T3 or T3x SA/Right Hand/Cerokote OD Green, Tikka T3orT3x SA/Right Hand/Cerokote Black, Tikka T3orT3x SA/Right Hand/Cerokote FDE, Tikka T3orT3x SA/Right Hand/Cerokote OD White, Tikka T3orT3x SA/Right Hand/Cerokote Stormtrooper White, Tikka T3orT3x SA/Right Hand/CerokoteBurnt Bronze, Tikka T3orT3x SA/Right Hand/CerokoteTactical Grey, Ultimatum Deadline SA/Right Hand/Cerokote FDE