Masterpiece Arms Matrix Chassis
The Masterpiece Arms Matrix Chassis is the most revolutionary rifle chassis ever produced, designed for shooters who demand unparalleled customization, ergonomics, and performance. With over 100 possible configurations for grips, thumb rests, and trigger finger supports, the Matrix Chassis allows shooters to perfectly tailor their rifle interface for maximum comfort and precision. By positioning the shooter’s hand closer to the bore, the Matrix enhances control, reduces fatigue, and improves long-range accuracy.
Overview
The MPA Matrix Chassis is engineered for competitive shooting, tactical applications, and precision hunting. Its innovative modular design allows the shooter to select from multiple grip styles, thumb rests, and trigger finger supports to create a setup that fits their individual shooting style. Additionally, the chassis incorporates all of Masterpiece Arms’ premium features including a V-Bedding system, RAT (Rapid Adjustment Technology) system, built-in leveling system, and adjustable buttstock.
Key Features
MPA Matrix Chassis
& Benefits
- Grips: Six options (3 Swept, 3 Vertical) for complete ergonomic customization. Most popular: Vertical 2 & Swept 3.
- Thumb Rests: Three options included for optimal hand positioning and control.
- Trigger Finger Supports: Four options to improve comfort and consistent trigger pull.
- Fore-end Features: M-Lok slots on sides, barricade stop holes on the bottom, 2″ longer than BA/Comp chassis, built-in bag rider with butthook.
- Night Vision Bridge: Standard or Enhanced options with additional rail for accessories.
- Buttstock: Adjustable cheek riser and length of pull (12.75″–14″, can be reduced to 12.5″ upon request).
- V-Bedding System: Increases accuracy by properly bedding the action and barrel.
- RAT System: 1.5″ Arca Rail built into the chassis for rapid accessory adjustment.
- Inclinometer Leveling System: Ensures precise alignment for long-range shooting.
- Recoil Pad: Adjustable for height and cant for personalized comfort.
- V4 Spigot Mount: Picatinny rail and dovetail plate built in for bipod or support mounts.
- Magazine Compatibility: Accepts any AICS type magazines (mag not included).
Specifications
| Chassis Material | 6061 Aluminum Billet |
|---|---|
| Chassis Coating | H Series Cerakote |
| Magazine Compatibility | AICS and AW (Short Action), AICS (Long Action) |
| Weight | 6.15 lbs |
| Fore End Weight | 3.35 lbs |
| Buttstock Weight | 2.85 lbs |
| Fore End Width | 1.700″ |
| Overall Length | 36.6″ |
| Fore End Length | 14.0″ |
| Max Barrel Diameter | 1.250″ (Barrel Channel 1.300″) |
| Adjustable Length of Pull | 12.75″–14″ (Shorter available by request) |
Compatibility
The MPA Matrix Chassis with the Remington 700 inlet (short or long action) fits all Remington 700 actions and clones, as well as Bergara, Curtis, Defiance, Stiller, Bighorn, Lonepeak Arms, Kelbly, GA Precision, Impact, and Surgeon rifles. This makes it an ideal platform for hunters, precision shooters, and tactical operators looking to upgrade their existing rifle with a high-performance chassis.
Why Choose the Matrix Chassis?
The Masterpiece Arms Matrix Chassis sets a new standard for rifle customization and performance. With unmatched adjustability in grips, thumb rests, and trigger finger supports, combined with Masterpiece Arms’ RAT system, V-Bedding, and inclinometer leveling system, the Matrix Chassis is perfect for shooters seeking the ultimate in ergonomics, accuracy, and versatility. Whether competing in precision rifle series events, hunting in challenging terrain, or engaging in tactical applications, the Matrix Chassis provides the control, stability, and performance you need to excel.

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