CM7S 375 Raptor Integrally Suppressed Rifle with PLACID OTB
The CM7S 375 Raptor Integrally Suppressed Rifle combines the compact 12.5-inch CM7S bolt-action platform with the PLACID OTB titanium over-the-barrel suppression system. Rather than simply attaching a conventional suppressor to the muzzle, PLACID OTB was engineered around the CM7S platform to use the space surrounding the barrel as active suppression volume.
Finished in Cobalt Kinetics Green with Coyote furniture and cheek riser, this 375 Raptor Integrally Suppressed Rifle pairs a compact hunting-oriented rifle with Chattahoochee Munitions’ PLACID OTB architecture configured for the 375 Raptor application.
PLACID OTB Integrated Suppression System
At the center of this 375 Raptor Integrally Suppressed Rifle is the all-titanium PLACID OTB system, designed and developed by Chattahoochee Munitions around the CM7S platform. A 12.5-inch titanium reflex tube extends rearward over the barrel while a 6-inch 3D-printed titanium baffle stack occupies the forward section of the system.
Unlike a conventional suppressor positioned entirely beyond the muzzle, the PLACID OTB architecture places substantial suppressor volume around the barrel. This allows the system to retain a full-length, unported 12.5-inch barrel while integrating the suppressor closely with the CM7S platform.
The complete PLACID OTB system measures 18.25 inches long, 1.5 inches in diameter and weighs 23.6 ounces. Its mounting, alignment and internal architecture are proprietary to the Chattahoochee Munitions PLACID OTB system.
12.5-Inch 375 Raptor Barrel
The full-length, unported 12.5-inch barrel is manufactured for Chattahoochee Munitions by Mos-Tek. Manufactured from 416R stainless steel with 5R rifling, its fast 1:7 twist rate supports the long, heavy projectiles commonly used in 375 Raptor applications.
- 12.5-inch barrel length
- 416R stainless steel
- 5R rifling
- 1:7 twist rate
- Shouldered crown
- Full-length, unported barrel
- E100 Blackout Cerakote
CM7S PVD-Coated Bolt Action
The 375 Raptor Integrally Suppressed Rifle is built around the Chattahoochee Munitions CM7S action, a Remington 700-footprint steel action designed primarily for hunting while retaining the consistency and features needed for precision shooting.
The three-lug bolt provides a short 60-degree throw, while the .718-inch one-piece bolt body incorporates an M16-style extractor and spiral fluting. Wire EDM-cut raceways help maintain uniform tolerances and smooth bolt travel.
- Remington 700-style footprint
- Steel action with full PVD coating
- Three-lug bolt design
- 60-degree bolt throw
- One-piece .718-inch bolt body
- M16-style extractor
- Wire EDM-cut raceways
- Integrated recoil lug
- Pinned 20 MOA Picatinny rail
- Large ejection port
- Lightweight action body cut-out
- .062-inch firing pin for compatibility with SRP brass
- Tool-less fire control removal
- Side bolt-stop release
- Oversize bolt knob
- Spiral-fluted bolt
- 1-1/16″-16 barrel thread pitch
- 25 oz action weight
TriggerTech Primary Trigger
A TriggerTech Remington 700 Primary trigger is standard equipment. Choose either a flat or curved trigger configuration. Pull weight is externally adjustable from approximately 1.5 to 4.0 pounds in 1-ounce increments, allowing the trigger to be configured for individual preference.
TriggerTech’s Frictionless Release Technology provides a crisp break with minimal overtravel while hardened 440C stainless internal components are designed for consistent operation.
Billet CM7 Chassis
The CM7 chassis used on this 375 Raptor Integrally Suppressed Rifle is machined from a single block of billet aluminum. The Cobalt Kinetics Green chassis and stock are paired with Coyote furniture for a distinctive field-oriented configuration.
- Billet aluminum construction
- Flared AICS-compatible magazine well
- Ambidextrous magazine release
- Full-length bottom ARCA rail
- M-LOK compatibility
- Dual integrated QD sling sockets
- Large trigger guard for gloved use
- Modular single-bolt stock adapter system
- Telescoping stock
- Adjustable cheek riser
- CM Precision Vertical Crossover Grip developed in collaboration with MK Machining
AICS Magazine Compatibility
The rifle uses AICS-pattern magazines and includes one 10-round Magpul PMAG 7.62 AC AICS magazine. The flared magazine well and ambidextrous release are designed for straightforward magazine changes from either side of the rifle.
Compact Suppressed 375 Raptor Platform
The combination of a 12.5-inch barrel and reflex suppressor architecture allows the 375 Raptor Integrally Suppressed Rifle to retain a compact overall package while providing substantial internal suppressor volume. Much of the PLACID OTB system surrounds the barrel rather than adding its entire length beyond the muzzle.
For shooters specifically interested in the cartridge, visit the Raptor Paddock for additional 375 Raptor information and explore available 375 Raptor ammunition from Chattahoochee Munitions.
CM7S 375 Raptor Integrally Suppressed Rifle Specifications
- Caliber: 375 Raptor
- Barrel Length: 12.5″
- Twist Rate: 1:7
- Barrel: Mos-Tek 416R Stainless, 5R Rifling
- Barrel Finish: E100 Blackout Cerakote
- Suppression System: PLACID OTB
- Suppressor Construction: Titanium
- Reflex Tube: 12.5″ Titanium
- Baffle Stack: 6″ 3D-Printed Titanium
- PLACID OTB Length: 18.25″
- PLACID OTB Diameter: 1.5″
- PLACID OTB Weight: 23.6 oz
- Action: CM7S, Full PVD-Coated Steel
- Recoil Lug: Integrated
- Rail: Pinned 20 MOA Picatinny
- Trigger: TriggerTech Remington 700 Primary, Flat or Curved
- Trigger Adjustment: 1.5–4.0 lb
- Chassis: CM7 Billet Aluminum
- Color: Cobalt Kinetics Green
- Furniture: Coyote
- Magazine: 1x 10-Round Magpul PMAG AICS 7.62
- Complete Firearm Weight: 7 lb 13.6 oz
- Overall Length: 31.00″–38.625″
- Length of Pull: 6.0″–13.5″
The weight and dimensions listed above are actual firearm specifications. Weight and dimensions displayed elsewhere for shipping purposes are packaging and shipping measurements.
Frequently Asked Questions
What makes this a 375 Raptor Integrally Suppressed Rifle?
PLACID OTB was designed and developed by Chattahoochee Munitions around the CM7S platform. Its over-the-barrel architecture places substantial suppressor volume around the full-length, unported 12.5-inch barrel rather than positioning the entire suppressor assembly beyond the muzzle.
What is the PLACID OTB made from?
The PLACID OTB system is constructed entirely from titanium, including its reflex tube and 3D-printed baffle stack.
What is the twist rate?
The 12.5-inch Mos-Tek barrel uses a fast 1:7 twist rate suited to stabilizing the heavy projectiles commonly used with 375 Raptor.
What trigger comes with the rifle?
The rifle includes a TriggerTech Remington 700 Primary trigger with your choice of flat or curved configuration. Pull weight is externally adjustable from approximately 1.5 to 4.0 pounds.
What magazines does the rifle use?
The CM7S chassis accepts AICS-pattern magazines and includes one 10-round Magpul PMAG 7.62 AC AICS magazine.
Where can I learn more about PLACID OTB?
Visit the dedicated PLACID OTB page for additional information about the over-the-barrel suppression system.
Limited Lifetime Warranty
This 375 Raptor Integrally Suppressed Rifle is backed by the Chattahoochee Munitions Limited Lifetime Warranty for the original purchaser, subject to applicable warranty terms and functional limitations.
Built by Chattahoochee Munitions, this 375 Raptor Integrally Suppressed Rifle combines a purpose-built CM7S bolt action, fast-twist 375 Raptor barrel, adjustable billet chassis and PLACID OTB into a compact suppressed hunting platform.
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