MDT's JAE-G5 Chassis Now Fits Remington 700 Long Action CIP
MDT now sells a right-hand Remington 700 long action CIP version of its JAE-G5 chassis, and it ships in Black starting October 20, 2026. The chassis targets magnum-length builds that run CIP-length magazines, which means shooters running larger cartridges in a long action can now stay inside the CIP-length footprint. MDT sells the chassis through its dealer network and directly at mdttac.com. The company did not state an MSRP, so buyers will need to check with dealers for pricing before they plan a purchase. For shooters building a competition rifle around a Remington 700 action, this release gives them another aluminum option with a conventional stock feel.
Key Details
MDT's release lays out the core specs for the new variant:
- Model: JAE-G5 Chassis for Remington 700 RH Long Action CIP
- Action fit: Right-hand Remington 700 long action
- Magazine: CIP-length, for magnum-length builds
- Adjustments: Length of pull, cheek height, and barricade stop position
- Grips: Vertical and angled grips both included in the box
- Forend: M-LOK with a bolt-on adjustable barricade stop and a bolt-on ARCA rail
- Tuning: Accepts JAE internal forend weights for balance adjustment
- Finish: Black
- Release date: October 20, 2026
- Sales channels: MDT dealers and mdttac.com
- Price: No MSRP published
MDT describes the JAE-G5 as a design that blends the look and feel of a conventional rifle stock with the stiffness and adjustability of an aluminum chassis. The company also markets the chassis for competition and says its damped construction keeps the rifle settled through recoil. MDT did not release weight figures, bedding details, or a full list of compatible barrel contours in the announcement, so those questions belong with the dealer or with MDT directly.
Background
The Remington 700 has been one of the most widely used bolt-action platforms in American hunting and precision shooting since its introduction in 1962. Its long action accommodates magnum cartridges, which pushes overall rifle length and magazine geometry beyond what short actions allow. CIP, short for Commission Internationale Permanente, is the European proof and dimensional standard that governs many imported and European-made cartridges. CIP-length magazines differ from SAAMI-spec dimensions, so a chassis that fits CIP magazine box geometry opens the door to a different set of cartridges than a standard SAAMI-length chassis does. That distinction is the reason this release matters to a specific group of builders: those who want a long-action Remington 700 chambered for a CIP-dimensioned round.
Aftermarket chassis systems have spent the last two decades moving precision rifles away from wood and plastic stocks. Aluminum chassis give builders adjustable length of pull, cheek height, and forend options that a traditional stock cannot match. MDT has built its catalog around that market, and the JAE-G5 line extends that approach to a platform many shooters already own.
Why It Matters for Gun Owners
If you own a right-hand Remington 700 long action and shoot magnum cartridges, this chassis expands your options. Before you buy, confirm that your action, barrel contour, and magazine dimensions match the CIP-length spec. A chassis that fits the action on paper still needs proper bedding and a correct magazine box fit to run reliably. Read the fit notes from MDT and the dealer before you order, and ask whether your specific cartridge and magazine combination has been tested.
Competitive shooters should pay attention to the barricade stop and ARCA rail. Those two items cover a lot of match and benchrest setups, and the bolt-on design means you can move them without rebuilding the chassis. The forend weight system adds another tuning variable. If you run a load development program, changing weight distribution and recoil behavior along with powder charge will help you isolate what is actually changing your groups.
Watch for the price. MDT has not published an MSRP, and chassis prices can move quickly once dealers set their own numbers. Compare the cost against the complete rifle build, including the action, barrel, trigger, and optics, before you commit to a platform change.
DownRange Analysis
This is a product release, not a legal or regulatory event, so there is no court ruling to test under Bruen. The gun owner's question is simpler: does it solve a real problem? For Remington 700 owners running CIP-dimensioned magnum cartridges, it does. The fit gap has been real, and MDT is filling it with a chassis that keeps the adjustability serious competitors expect.
The market implication is clear. Chassis makers are competing on fit coverage across the action families shooters already own, not just on new action designs. Expect rivals to respond with their own CIP-length options if MDT's version sells well. For buyers, that competition usually means better pricing and more configurations within a year.
What should you do right now? If you are shopping, get the MSRP from an MDT dealer before you plan a budget. Verify fit against your exact action and magazine spec. If you are already happy with your current stock or chassis, there is no reason to switch. Build the rifle that fits your shooting, not the one with the newest fit chart.
