MDT ACC Elite Chassis System – Remington 700 Long Action 3.850 CIP
The MDT ACC Elite Chassis System is MDT's flagship long-range competition platform, engineered for shooters who demand exceptional rigidity, precise balance, and repeatable control under match conditions.
This configuration is designed for Remington 700 Long Action and compatible pattern actions, featuring a 3.850" CIP magazine length, right-hand inlet, and Black finish.
Developed with input from elite precision rifle competitors, the ACC Elite combines a rigid aluminum chassis, full-length ARCA forend, modular weight tuning, and highly adjustable ergonomics into one competition-ready system.
Whether you're competing in PRS-style matches, working from barricades and bags, or building a dedicated long-range rifle, the ACC Elite gives you the foundation to create a balanced, predictable shooting platform.
Built for Long-Range Competition
The ACC Elite is designed around a simple principle: your rifle should settle naturally into position and remain predictable throughout the shot.
Its stiff aluminum construction minimizes unwanted movement, while the adjustable weight system allows shooters to tune rifle balance around their barrel, optic, and accessories.
A properly balanced competition rifle can settle more consistently on barricades, transition smoothly between positions, and make recoil management more predictable.
At the end of the day, you know your gear isn't what's holding you back.
19" ACC Elite Forend with Full-Length ARCA
The ACC Elite features a 19-inch front section with an integrated full-length ARCA dovetail, providing a continuous mounting surface for compatible bipods, tripods, and shooting accessories.
Compared with previous ACC designs, the Elite's wider, thicker, and longer forend increases rigidity and provides a stable platform for positional shooting.
Internal and external M-LOK mounting positions support modular weights and accessories, allowing the balance point to be adjusted for different rifle configurations.
The front section also includes mounting provisions for MDT's modular Night Vision Bridge and Control Bridge accessories. Custom-cut grip tape is included for additional traction on bags and barricades.
- 19" competition-length forend
- Integrated full-length ARCA mounting rail
- Internal and external weight compatibility
- M-LOK accessory mounting provisions
- Compatible with MDT Baker Wings
- Pre-drilled mounting points for MDT bridge accessories
- Custom-cut grip tape included
SRS-X Elite Buttstock & Adjustable Ergonomics
The included MDT SRS-X Elite Buttstock provides extensive adjustments to help shooters establish a consistent position behind the rifle.
Adjustable cheek height, length of pull, and buttpad positioning allow the chassis to accommodate different shooting styles and body dimensions.
The included MDT Vertical Grip Elite with Connector Bar provides additional control and a comfortable, repeatable hand position. Adjustable M-LOK thumb rests allow further refinement of the support-hand interface.
Together, these features help establish a natural shooting position that remains consistent across prone, barricade, and other supported positions.
Remington 700 Long Action – 3.850 CIP Compatibility
This ACC Elite configuration is specifically designed for right-handed Remington 700 Long Action rifles and compatible long-action receivers using the appropriate inlet.
The chassis accommodates 3.850" CIP-length AICS-pattern magazines, making it suitable for compatible long-action precision rifle builds.
An adjustable magazine latch and tunable magazine well help accommodate dimensional variations between compatible actions and magazines.
- Action Inlet: Remington 700 Long Action
- Action Orientation: Right Hand
- Magazine Length: 3.850" CIP
- Magazine Pattern: Long Action AICS
- Maximum Barrel Diameter: 1.350"
Compatibility with Remington 700-pattern custom actions should be confirmed before ordering. Magazine selection must match the action, cartridge, and chamber configuration. Magazine sold separately.
What Sets the ACC Elite Apart?
The ACC Elite sits at the top of MDT's competition chassis lineup. While the ACC Premier Gen2 also provides excellent modularity and weight tuning, the Elite takes the concept further with a wider, thicker, and longer front section.
This additional rigidity supports more stable positioning on bags and barricades, while the refined buttstock and ergonomic controls help shooters maintain a consistent position behind the rifle.
The result is a chassis engineered as a complete competition system rather than simply an aluminum replacement stock.
Build Out Your MDT ACC Elite
One of the ACC Elite's greatest strengths is its modularity. Internal weights, external accessories, ARCA-mounted support equipment, and buttstock accessories allow shooters to fine-tune their rifle for their preferred style of competition.
Accessories, magazines, bipods, bridges, and additional chassis weights are sold separately unless expressly included with the product.
What's Included
- MDT ACC Elite Chassis Base
- MDT SRS-X Elite Buttstock
- MDT Vertical Grip Elite with Connector Bar
- MDT Adjustable M-LOK Thumb Rests
- Custom-Cut Forend Grip Tape
Product Specifications
- Manufacturer: MDT Sporting Goods
- Part Number: 106828-BLK
- Product: ACC Elite Chassis System
- Action: Remington 700 Long Action
- Orientation: Right Hand
- Magazine Length: 3.850" CIP
- Magazine Compatibility: AICS Pattern, Long Action
- Color: Black
- Material: Aircraft-Grade 6061 Aluminum
- Finish: Hard Anodized with Cerakote Finish
- Approximate Weight: 6.10 lbs, configuration dependent
- Forend: 19" with Integrated ARCA
- Length of Pull: 12.25"–14.75"
- Chassis Base Length: 27"
- Overall Chassis Length with Buttstock: 37.4"
- Maximum Barrel Diameter: 1.350"
- Buttstock: MDT SRS-X Elite Included
- Buttstock Interface: XTN
- Grip: MDT Vertical Grip Elite Included
- Grip Compatibility: AR-15 Style Grips
The Pete's Pillars Difference
Pete's Pillars is a trusted, authorized MDT dealer supplying genuine chassis systems and precision rifle components backed by practical product knowledge.
We work with established manufacturers like MDT because their products deliver the rigidity, adjustability, and thoughtful engineering that serious precision rifle shooters expect.
Whether you're building a competition rifle or refining an existing setup, Pete's Pillars can help you select compatible accessories and components for your chassis.
Pete's Pillars is an authorized MDT dealer.
