Description
The MDT Oryx Sportsman is the chassis that took precision rifle shooting off the pedestal and put it within reach of the average deer camp regular. It's machined from a single run of hard-anodized 6061 aluminum, so your Remington 700 long action bolts to a rigid spine that runs from the buttpad all the way to the tip of the forend. The action beds against an aluminum block while the barrel free floats, and the payoff is a noticeably more solid connection the moment you settle in behind glass. Barrels up to 1.25 inches at the shank clear the channel without touching, so heavy varmint and bull contours are welcome.
What the Oryx Sportsman Chassis Adds to a Factory Rem 700
Installation is about as simple as an upgrade gets. Pull your barreled action out of the old stock, drop it in, and torque two provided screws to roughly a quarter turn past snug. Most folks have it done in under ten minutes with basic hand tools, no gunsmithing or bedding compound required. Once your long action is seated, you gain removable box magazine capability using standard 3.715-inch AICS pattern magazines. Note that magazines are sold separately, so plan on grabbing a couple to match your cartridge.
Dialing In the Fit on Your Long Action Oryx
The integrated buttstock adjusts for length of pull between 13 and 13.5 inches out of the box, with MDT's spacer kit available if you want to stretch it out further. The cheek riser raises and lowers to line your eye up dead center behind your optic, which matters a lot more than people expect once they start shooting at distance. The grip is AR-15 compatible and comes installed, so if you already have a favorite grip in the safe you can swap it right in.
Range Day to Ridge Line
The forend carries M-LOK slots for bipods and slings and plays nice with ARCA rails for tripod work, plus an integrated barricade stop for shooting off props. This platform has carried shooters to podium finishes in NRL Hunter and PRS matches, and it doubles as a stable hunting rig for coyote, hog, and whitetail. Interchangeable side panels let you change up the color scheme whenever the mood strikes. At right around 4.2 pounds, it's a beefy, stiff piece of hardware built to hold zero and take a beating.
Key Specifications
- Manufacturer: MDT
- Manufacturer Part Number: 104346-BLK
- UPC: 682157396467
- Model: Remington 700 Long Action
- Action Type: Bolt Action
- Hand: Right Hand
- Color: Black
- Style: Chassis
- Material: Aircraft-Grade 6061 Aluminum
- Finish: MIL-Spec Type III Hard Anodized
- Magazine Compatibility: AICS Pattern (3.715 in. Long Action)
- Length of Pull: 13 to 13.5 in. (spacer kit extends further)
- Grip Compatibility: AR-15 Standard and Vertical Grips
- Max Barrel Diameter: 1.25 in.
- Weight: Approx. 4.2 lbs
- Accessory Mounting: M-LOK Forend, ARCA Compatible
What’s Included
- MDT Oryx Sportsman chassis (Remington 700 Long Action inlet)
- Installed AR-15 compatible pistol grip
- Interchangeable color side panels (Black)
- Action screws for installation
Frequently Asked Questions
Will this Oryx Sportsman chassis fit my Remington 700 long action?
Yes, this model is cut specifically for standard Remington 700 long action, right hand rifles. It also accepts many popular clone actions built on the Rem 700 footprint from makers like Defiance and Terminus. Confirm your action is a factory-spec long action before ordering.
Are magazines included with the Oryx chassis?
No, magazines are sold separately. This chassis is built around AICS pattern magazines, and for a long action you'll want the 3.715-inch length to match your cartridge. Grabbing a couple of MDT polymer or metal AICS mags is a smart move at the same time you order the chassis.
How hard is it to install the Oryx Sportsman on my rifle?
It's a true drop-in with no gunsmithing needed. You pull the barreled action from your factory stock, set it into the chassis, and torque the two provided screws to about a quarter turn past snug. Most people have it running in under ten minutes with basic hand tools.
Can I adjust the length of pull and cheek height?
Yes. The chassis ships with an adjustable comb for lining your eye up behind the optic, and length of pull runs from 13 to 13.5 inches out of the box. If you need more reach, MDT sells a spacer kit that adds up to an inch, and optional knobs make cheek adjustment tool-free.




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