The 375 Raptor Barreled Action from Chattahoochee Munitions gives hunters and builders the core of a CM7S rifle while leaving the final configuration in their hands. This assembly combines the CM7S action with a 16-inch Mos-Tek 375 Raptor barrel installed using the CM7S barrel-nut system.
For the customer who wants to select his own trigger, stock or chassis, magazine and other components, the barreled action provides the foundation without requiring the purchase of a complete rifle. The action and barrel are already assembled, allowing the builder to concentrate on configuring the rest of the rifle for his intended use.
If you would rather spend your time hunting than finishing the build, head over to the Raptor Paddock to explore complete Chattahoochee Munitions firearms chambered in 375 Raptor.
What Is Included with the 375 Raptor Barreled Action?
The 16-inch 375 Raptor Barreled Action consists of two primary components:
- CM7S action with full PVD coating
- 16-inch Mos-Tek 375 Raptor barrel installed using the CM7S barrel-nut system
This is not a complete rifle. The barreled action provides the assembled action and barrel, leaving the customer free to select the trigger, stock or chassis, magazine and other components for the finished firearm.
CM7S Action – Full PVD Coated
At the center of this 375 Raptor Barreled Action is the Chattahoochee Munitions CM7S. The CM7S is a steel action based on the familiar Remington 700-style footprint and is designed primarily around hunting use while also being suitable for competition and other precision-rifle applications.
The action uses a three-lug bolt with a 60-degree throw, an M16-style extractor and a one-piece bolt with a 0.718-inch bolt-body diameter. Wire EDM raceways provide uniform tolerances and smooth cycling, while a pinned 20 MOA Picatinny rail provides the mounting surface for an optic.
CM7S Action Features
- Remington 700-style footprint
- Three-lug bolt design
- 60-degree bolt throw
- M16-style extractor
- One-piece bolt
- 0.718″ bolt-body diameter
- Integrated .300″ recoil lug
- Wire EDM raceways
- Pinned 20 MOA Picatinny rail
- Large ejection port
- Weight-reducing action-body cutout
- 25 oz action weight
- .062″ firing pin to accommodate SRP brass
- Tool-less fire-control removal
- Accepts Remington 700-style triggers
- Trigger pins included
- 1-1/16″-16 barrel thread pitch
- Side bolt-stop release
- Oversized bolt knob
- Spiral-fluted bolt
- Full PVD coating for additional corrosion protection and smooth operation
Mos-Tek 16″ 375 Raptor Barrel
The installed Mos-Tek 16-inch 375 Raptor barrel is manufactured from 416R stainless steel and finished in E100 Blackout Cerakote.
The barrel uses 5R rifling with a 1:7 twist rate. At the muzzle, it features a shouldered crown and 11/16×24 muzzle threads.
A 375 Raptor Barreled Action Built Around the CM7S
Starting with a 375 Raptor Barreled Action means the customer does not have to begin with a bare receiver and separate barrel. The CM7S action and 16-inch Mos-Tek barrel are already installed together using the CM7S barrel-nut system.
That leaves the builder free to choose the components that determine how the finished rifle fits and handles, including the trigger, stock or chassis and magazine system.
The Remington 700-style footprint also provides access to a broad ecosystem of compatible components while retaining the features incorporated into the CM7S action.
Building Your Own 375 Raptor Rifle
For the customer determined to finish the rifle himself, the 375 Raptor Barreled Action provides the core assembly while allowing substantial control over the final configuration.
The CM7S accepts Remington 700-style triggers, and trigger pins are included with the action. Chattahoochee Munitions offers the TriggerTech Remington 700 Primary trigger as one option for completing the build.
The builder will also need an appropriate stock or chassis and magazine system. For compatible CM7S configurations, Chattahoochee Munitions offers Magpul 7.62×51 AICS-pattern 10-round magazines.
This route makes sense for someone who already knows what trigger, furniture and feeding system he wants and prefers to select those components individually.
Prefer a Complete 375 Raptor Rifle?
Not every customer wants another project on the bench.
If your goal is to get a 375 Raptor into the field rather than finish assembling the rifle yourself, head over to the Raptor Paddock to explore complete Chattahoochee Munitions 375 Raptor firearms.
Inside the Paddock, you can compare complete configurations rather than sourcing the trigger, stock or chassis, magazine system and other components individually.
Complete 375 Raptor Barreled Action Specifications
| Specification | CM7S 16″ Configuration |
|---|---|
| Action | CM7S Steel Action |
| Action Footprint | Remington 700 Style |
| Bolt | 3 Lug / 60-Degree Throw |
| Extractor | M16 Style |
| Action Finish | Full PVD |
| Rail | Pinned 20 MOA Picatinny |
| Barrel | Mos-Tek 375 Raptor |
| Barrel Length | 16″ |
| Barrel Material | 416R Stainless Steel |
| Rifling / Twist | 5R / 1:7 |
| Crown | Shouldered Crown |
| Muzzle Threads | 11/16×24 |
| Barrel Finish | E100 Blackout Cerakote |
| Complete Barreled Action Weight | 62.81 oz / 3.92 lb |
Note: The weight listed above is the actual barreled-action weight. Any separate dimensions or weight displayed elsewhere on the product page for shipping purposes should not be interpreted as physical product specifications.
375 Raptor Barreled Action FAQs
What comes with the 16″ 375 Raptor Barreled Action?
The product consists of the CM7S action and installed 16-inch Mos-Tek 375 Raptor barrel. The barrel is installed on the action using the CM7S barrel-nut system.
Is the 375 Raptor barrel already installed?
Yes. This is an assembled barreled action rather than a separate action and loose barrel. The 16-inch Mos-Tek 375 Raptor barrel is already installed on the CM7S action.
What barrel is used on the 375 Raptor Barreled Action?
The 16-inch configuration uses a Mos-Tek 416R stainless steel barrel with 5R rifling, a 1:7 twist rate, shouldered crown, 11/16×24 muzzle threads and E100 Blackout Cerakote finish.
Does the barreled action include a trigger?
No. The CM7S accepts Remington 700-style triggers, and trigger pins are included with the action. Chattahoochee Munitions offers the TriggerTech Remington 700 Primary for customers who need a trigger for their build.
Does it include a stock or chassis?
No. The stock or chassis is selected separately, allowing the builder to configure the finished rifle around his intended use and preferences.
Does the 375 Raptor Barreled Action include a magazine?
No magazine is included unless specifically shown as part of the selected product configuration. Chattahoochee Munitions offers Magpul 7.62×51 AICS-pattern 10-round magazines for compatible CM7S configurations.
What is the twist rate of the 16″ 375 Raptor barrel?
The 16-inch barrel uses 5R rifling with a 1:7 twist rate.
What are the muzzle threads?
The 16-inch 375 Raptor barrel uses 11/16×24 muzzle threads.
How much does the 375 Raptor Barreled Action weigh?
The complete 16-inch barreled action weighs 62.81 ounces, or approximately 3.92 pounds.
Can I buy a complete CM7S 375 Raptor instead?
Yes. Head over to the Raptor Paddock to explore complete Chattahoochee Munitions firearms chambered in 375 Raptor.
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