Next-Level Modularity: MasterPiece Arms’ Matrix Chassis System – SHOT Show 2020

MasterPiece Arms is a very familiar company to any PRS (precision rifle series) shooter. They make some of the most popular chassis systems in the game due to the fact that they are packed with features and customizable to a user’s preference. New for 2020 is MPA’s Matrix Chassis.

There are many different ways to customize the Matrix Chassis; including grip size and angle, trigger-finger support and thumb rest.

The Matrix is extremely modular; available with three different thumb rests that vary from 20-45 degrees, four different sized trigger-finger supports and six different grips that come in vertical or swept angles. In total, there are at least 100 different configurations!

The Matrix is available for three different inlets; Remington 700 short action, long action, and Tikka short action. This pretty well covers what people choose to put in chassis.

One minor detail that you may pick up on when looking at the Matrix is the cutout behind the grip. Many of you would mistakenly take this to be a thumbhole to stick your thumb through and grip the chassis while shooting — but that is not what it was designed for.

The Matrix is not a thumbhole stock, rather it is there to make the rifle easier to move in a secure manner when changing from stage to stage during a competition or while switching between shooting positions.

The mag-catch on the Matrix is adjustable, allowing you to fit the magazines that you use perfectly for your system.

Another nice feature on the Matrix is the butthook. This cutout on the bottom of the buttstock allows the shooter to apply rearward pressure, further stabilizing the rifle while shooting.

Besides swapping out the different components of the Matrix, you can also adjust the gun to fit your body perfectly though the use of the adjustable cheek piece and recoil pad. With these, you can customize length-of-pull, cant, and cheek-riser height.

The adjustments for the buttpad and cheek riser are toolless and easy to access. Also, notice the butthook cut into the buttstock.

Other small details that you may overlook on the Matrix Chassis are the RAT (Arca swiss rail) rail machined into the forend, Spigot mount which accepts Arca Swiss or Picatinny-style bipod attachments, and the night vision bridge.

The Spigot mount can be flipped over, so you can use either Arca Swiss or Picatinny attachments for bipods. The night vision bridge comes in this version, as well as a larger, enhanced version.

I am super excited about this chassis and I look forward to completing a full review. Keep an eye for one coming in the future on GunsAmerica.

Pricing starts at $1,250 for the Matrix. Check out MPA’s website HERE for more information.

The Matrix can accept both left and right-handed actions.
The grips attach via a flathead cap screw in the base.
The Spigot Mount.
The integrated bubble-level is easy to see from the shooter’s position.

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About the author: Riley Baxter is an avid and experienced hunter, shooter, outdoorsman, and he’s worked in the backcountry guiding for an outfitter. He also get’s a lot of enjoyment out of building or customizing his firearms and equipment. Check out Riley’s Instagram @Shooter300

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