Description
The MDT XRS strikes a balance that a lot of people are looking for: you get all the modularity and performance benefits of a precision chassis without the bulky competition-only feel. It's built around a full-length CNC machined 6061 aircraft-grade aluminum core wrapped in textured polymer panels that protect your hands from temperature swings and sharp edges. The whole thing weighs just 3.9 pounds depending on your specific inlet, which means this works equally well for hunters who want something that doesn't wear you down or competitors who want to train year-round without fatigue.
XRS Hybrid Design and Build Quality
What sets this chassis apart is its hybrid approach to ergonomics. The buttstock and forearm have a traditional rifle profile that feels familiar in your hands, but underneath that polymer skin lives the aluminum backbone and precision engineering you'd expect from a modern chassis. The V-block bedding system is CNC machined to ensure your action sits consistently every time you install it. Installation itself is straightforward: two screws hold the action in place, and there's no bedding compound needed.
Adjustability is where this platform really shines for different body types and shooting styles. Your length of pull adjusts from 13.25 to 15+ inches using included spacers, and the quick-adjust cheek piece lets you dial in scope height over bore without tools. Both features matter whether you're behind a rifle for a few hours at the range or setting up for a hunt.
Modularity and Accessory Options
The 12-inch forend comes pre-drilled with M-LOK slots at the 3, 6, and 9 o'clock positions, giving you flexibility to add ARCA rails, bipod mounts, or other attachments based on what you're doing. The XRS ships with both an angled and vertical pistol grip so you can find what works for your hand and shooting position; swapping between them takes four screws and about a minute. The magazine system accepts standard AICS pattern magazines with an ambidextrous latch that's easy to manipulate from either side. This isn't a proprietary system, which means you have options when it comes to magazine selection and pricing.
Tikka T3 owners appreciate that this platform accepts a wide range of barreled actions without modification, making it a solid foundation whether you're upgrading a factory rifle or building something custom.
Key Specifications
- Manufacturer: MDT (Modular Driven Technologies)
- Manufacturer Part Number: 104689-BLK
- UPC/EAN: 682157399642
- Model: XRS Chassis System
- Action Compatibility: Tikka T3 Short Action
- Handedness: Right Hand
- Color: Black
- Core Material: CNC Machined 6061 Aircraft Grade Aluminum
- Exterior Material: High Strength Textured Polymer Panels
- Weight: 3.9 pounds (inlet dependent)
- Length of Pull Adjustment: 13.25 to 15+ inches (via spacers)
- Cheekpiece: Quick Adjust, Vertically Adjustable
- Magazine System: AICS Pattern Compatible with Ambidextrous Latch
- Forend Length: 12 inches
- Accessory System: M-LOK Slots (3, 6, 9 o'clock), ARCA/Picatinny Compatible
- Bedding System: Precision Aluminum V-Block (Drop-In, No Bedding Required)
- Grip Options: Angled and Vertical Grip Included (Interchangeable)
What’s Included
- MDT XRS Chassis System
- Angled Pistol Grip
- Vertical Pistol Grip
- Length of Pull Spacer Kit
- Installation Hardware
- QD Sling Attachment Point
- User Manual
- Chamber Flag
- MDT Sticker
Frequently Asked Questions
Will the MDT XRS Tikka T3 chassis fit my rifle without any modifications?
Yes, the XRS is a drop-in design engineered for the Tikka T3 short action. The action simply sits into the V-block bedding and is secured with two screws. No bedding compound or fitting work is needed. Installation takes just a few minutes with basic tools.
Can I swap between the angled and vertical grips easily?
Absolutely. Both grips come with the chassis and swap out with just four screws, taking about a minute to change. This lets you experiment with different hand positions and find what works best for your shooting style.
What magazines work with the XRS chassis?
The XRS accepts standard AICS pattern magazines, which are widely available and affordable. This gives you flexibility in magazine selection rather than locking you into proprietary options. The magazine latch is ambidextrous and easy to manipulate.
Is this chassis suitable for both hunting and competition?
Yes. The XRS is designed as a hybrid platform that bridges hunting ergonomics with competition-grade features. At 3.9 pounds, it's light enough for field hunting while offering adjustable cheekpiece, length of pull, and M-LOK accessory mounting for precision work or training.





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