Description
The MDT Oryx Sportsman chassis takes a stock Howa 1500 short action (also fits Weatherby Vanguard short action) and turns it into a rifle that feels dialed for the range or the backcountry. The barreled action beds into a machined aluminum V-block that pulls everything tight and repeatable, while the barrel sits free floated so nothing touches it once you drop it in. That combination is where the real accuracy gains come from, and folks running heavier barrels through it have reported groups that hold up under scrutiny.
Why the Oryx Chassis Fits the Howa 1500 Crowd
This is built as a bolt-in job. The buttstock and pistol grip come already installed, so you pull your barreled action out of the factory stock, set it into the Oryx, and torque down two action screws that MDT includes in the box. Most people have it swapped over in ten to fifteen minutes with nothing more than an Allen wrench. The magwell is cut for AICS-pattern detachable magazines, which means a rifle that came with an internal box now feeds from swappable mags. Worth noting on the Howa short action inlet: MDT's polymer AICS mags tend to seat and latch the most reliably, and metal mags will run but can be a little fussier locking in.
Dialing In Your Fit With the Oryx Sportsman
Ergonomics are the other half of the story. Length of pull adjusts through a spacer system, and the cheek riser raises to line your eye up behind glass, so you get a consistent cheek weld shot after shot. The grip is AR-15 compatible, meaning you can bolt on whatever grip you already like, and the forend carries M-LOK slots underneath for a bipod, arca rail, or sling hardware. QD sling sockets sit on the buttstock as well.
Machined from 6061-T6 aluminum with a durable hard-coat anodized finish in Flat Dark Earth, the Oryx is a stiff, beefy platform that has carried competitors to finishes in PRS, NRL Hunter, and rimfire matches. For hog and coyote hunters or anyone chasing steel at distance, it's one of the better value upgrades you can bolt onto a factory Howa.
Key Specifications
- Manufacturer: MDT
- Manufacturer Part Number: 106159-FDE
- UPC: 682157408597
- Rifle Compatibility: Howa 1500 Short Action / Weatherby Vanguard Short Action
- Hand Orientation: Right Hand
- Action Type: Bolt Action
- Color: Flat Dark Earth
- Style: Chassis
- Material: 6061-T6 Aluminum
- Finish: Mil-Spec Type III Hard Coat Anodized
- Magazine Compatibility: AICS-Pattern Detachable (polymer recommended)
- Grip Compatibility: AR-15 Standard and Vertical Grips
- Length of Pull: Adjustable via spacer system
- Cheek Riser: Adjustable height
- Forend: M-LOK compatible, ARCA rail compatible
- Overall Length: 32.25 in (Howa SA)
What’s Included
- Oryx Sportsman chassis (Howa 1500 short action inlet, FDE)
- Pre-installed adjustable buttstock
- Pre-installed rubber overmolded pistol grip
- Action screws / installation hardware
Frequently Asked Questions
Will this Oryx chassis fit my Howa 1500 short action and Weatherby Vanguard?
Yes. This inlet is machined for the Howa 1500 short action and the Weatherby Vanguard short action, which share the same footprint. It's the right-hand version. Just confirm your action is a short action before ordering, since MDT makes a separate long action Oryx as well.
What magazines does the Oryx Sportsman chassis use?
The magwell is cut for AICS-pattern detachable box magazines. On the Howa short action inlet specifically, MDT's polymer AICS magazines seat and latch the most reliably. Metal AICS mags will function but some users find them a bit stubborn locking into place. No magazine is included, so plan to grab one separately.
How hard is it to install the Oryx chassis?
It's about as simple as chassis swaps get. The buttstock and grip come already assembled, so you remove your barreled action from the factory stock, drop it into the Oryx, and tighten the two action screws MDT provides. Most people finish the job in ten to fifteen minutes with a basic Allen wrench.
Can I change the grip and add accessories to the Oryx chassis?
Absolutely. The grip is AR-15 compatible, so you can swap the included rubber grip for any standard AR grip you prefer. The forend has M-LOK slots underneath and is ARCA compatible for mounting a bipod, rail, or sling hardware, and there are QD sling sockets on the buttstock.



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