The OT Core is perfect for customers looking for all the benefits of a chassis system but wishing to customize it with their own stock model, grip, and scope mount.
OT Core

From the top of the 20 MOA top rail to the center of the bore : approx. 0.9″ where indicated by the red arrow. From the lower receiver to the fore-end tube end : approx. 9″ where indicated by the blue arrow. Maximum barrel diameter: 1.350″
Bore Height and Fore-end tube
Receiver is ready to equip with any AR style stock on the market.
AR stock adaptor
Composite detachable base removable for easy trigger maintenance or tuning without need to remove your action and lose your zero.
Detachable Base
Allows optic to be mounted directly on the action using traditional scope bases, picatinny rail or built-in action rail.
Open top
Oversized trigger guard and magazine release for easy manipulation with gloves.
Trigger Guard
Small contour fore-end tube providing rail placement at
6 o’clock.
Fore-end tube
Barreled action sits on 4 rollers to provide a stable platform that reduce barrel vibrations.
Roller Bedding Technology

*Important notice concerning top rail length

Dimensions: 22.5″ x 2.2″ x 4.68″
57.15 x 5.6 x 11.89 cm
Weight: 2.76 lbs
1253 grams

Dimensions: 23.34″ x 2.2″ x 4.68″
59.28 x 5.6 x 11.89 cm
Weight: 2.92 lbs
1327 grams

CDX-R7 Custom Actions

OT Core configurations

OT Core Tableau

The custom actions market is in constant evolution and new models arrive each year while others disappear. We know that our chassis can adapt to the following models but sometimes action makers, might have modified their design without prior notice. Please verify with your action maker that your custom action model is Rem 700 compliant.

Bat MachineVR
Rimrock SSR
Rimrock LSR
DefianceRebel Med
Rebel Long
Kelbly (Stole)Atlas
Atlas Long
Pierce EngineeringSA
Titanium SA
Titanium LA
StillerPredator Short
Predator Long
Tactical 30
Tactical 300
Stryker RidgeHTR Med
HTR Long
X-TREMETitanium Short
Titanium Long
and maybe yours...

Centre Accessory Rail Kit
Centre Accessory Rail Kit
Part#: 03127-A083

Standard Grip
Standard Grip
Part#: 175-00003-BLK

Small Rubberized Ergo Grip
Small Rubberized Ergo Grip
Part#: 175-00023-BLK

Aluminum bipod rail
Aluminum bipod rail
Part#: 03127-A002

Flush cup adaptor
Flush cup adaptor
Part#: 03127-A174

Field Series 20 MOA top rail
Field Series 20 MOA top rail
Cadex Webcast 2: Field Model Chassis
Cadex Webcast 2: Field Model Chassis

* Other platforms & calibres available upon request.
* Cadex chassis do not include any magazine. Magazines must be ordered separately.

MSRP* starting at| $669.95

*MSRP (Manufacturer’s Suggested Retail Price) is only used as an indicator. Actual price may vary depending on the region.
Please confirm pricing with your local dealer/distributor