CM7S 300 Blackout Barreled Action 8″

CM7S 300 Blackout Barreled Action 8″

 

CM7S Action – Full PVD Coated

The CM7S action is designed for hunting use. It can also be used for competition. It is a steel action with a Remington 700-style footprint. The CM7S has a number of features that factory actions lack.

• Based on the classic Remington 700 footprint with a 3-lug design
• 60-degree throw
• M16 style extractor
• One-piece bolt – 0.718″ Bolt Body DIA.
• Integrated recoil lug
• Wire EDM raceways for more uniform tolerances and smoother cycling
• Pinned 20 MOA Picatinny Rail
• Large ejection port and cut-out for a light-weight action body- 25oz total weight
• .062” firing pin to accommodate SRP brass
• Dual Pinned .300” recoil lug
• Tool-less fire control removal
• Accepts any Remington 700 style trigger – Trigger Pins Included 
• 1-1/16”-16 thread pitch
• Side bolt-stop release
• Oversized bolt knob
• Spiral fluted bolt
• Full PVD coating for more corrosion protection and smoother operation

CM 300 BLK 8″ Barrel – E100 Blackout Cerakote

• 416R Stainless Steel
• 5R rifling
• 1:5 twist rate
• Shouldered crown
• 5/8×24 muzzle threads

Weight: 49.21oz or 3.07lbs (weight and dimensions on other tab are for shipping purposes)

300 Blackout Barreled Action 8” – Compact Power Meets Precision

If you’re searching for the perfect balance between compact size, suppressed performance, and precision engineering, the 300 blackout barreled action 8” is built to exceed expectations. Designed for shooters who demand reliability in tight spaces without sacrificing ballistic performance, this setup is ideal for tactical builds, hunting applications, and suppressed shooting platforms.

Whether you’re upgrading your current rifle or building a custom firearm from the ground up, this 300 Blackout barreled action 8” delivers exceptional accuracy, durability, and versatility in one compact package.

Why Choose a 300 Blackout Barreled Action 8”?

The .300 Blackout platform has become one of the most popular calibers for shooters who want flexibility between subsonic and supersonic ammunition. With an 8-inch barrel, you get optimal performance in a shorter configuration—perfect for maneuverability and suppressed shooting.

Key Advantages:

• Compact Design: Ideal for close-quarters use and lightweight builds
• Suppressor Ready: Optimized for subsonic ammo and quiet shooting
• Versatile Performance: Handles both hunting and tactical applications
• Enhanced Accuracy: Precision-machined for consistent shot placement

Built for Performance and Reliability

This 300 blackout barreled action 8” is crafted with high-quality materials and precision machining to ensure long-term durability and consistent performance.

Precision Engineering

Each component is carefully designed to maintain tight tolerances, ensuring smooth cycling and reliable operation. This results in improved accuracy and reduced wear over time.

Durable Construction

Built to withstand harsh conditions, this barreled action is engineered for rugged use—whether you’re at the range or in the field.

Optimized Gas System

The shorter barrel length is paired with an efficient gas system to ensure proper cycling with both subsonic and supersonic loads.

Perfect for Suppressed Shooting

One of the biggest advantages of the 300 blackout barreled action 8” is its compatibility with suppressors. The .300 Blackout cartridge was specifically designed to perform well in short barrels and suppressed configurations.

• Reduced noise signature
• Minimal recoil for better control
• Ideal for tactical and hunting scenarios

👉 Pair this with a high-quality suppressor for maximum performance.

Check out our premium suppressor options here: 375-suppressor/

Ideal Applications

This 300 blackout barreled action 8” is versatile enough to handle a wide range of shooting needs:

Tactical Use

Its compact size makes it perfect for close-quarters environments where maneuverability is key.

Hunting

Great for hunting medium-sized game, especially when using subsonic rounds for reduced noise.

Custom Builds

A perfect foundation for building your own AR-style or bolt-action platform.

👉 Looking for a longer configuration?

Explore our 10-inch version here: 300-blackout-barreled-action-10

Enhanced Shooting Experience

With reduced recoil and improved control, this setup allows for faster follow-up shots and better accuracy. The shorter barrel also makes it easier to handle, especially in tight environments.

Benefits You’ll Notice:

• Better maneuverability
• Faster target acquisition
• Reduced shooter fatigue
• Improved control in rapid-fire situations

SEO Benefits for Buyers (Why This Product Stands Out)

When searching for a 300 blackout barreled action 8”, buyers are typically looking for:

• Compact performance
• Suppressor compatibility
• Reliable cycling
• High-quality construction

This product checks all those boxes—making it a top choice for serious shooters.

Upgrade Your Setup Today

If you’re serious about building a high-performance firearm, the 300 blackout barreled action 8” is a must-have component. Its compact size, superior engineering, and versatility make it one of the best options available in its class.

👉 Don’t settle for less—upgrade your build with precision and reliability.

Frequently Asked Questions (FAQ)

1. What is a 300 blackout barreled action 8” used for?

The 300 blackout barreled action 8” is commonly used for compact rifle builds, tactical applications, and suppressed shooting setups.

2. Is an 8-inch barrel good for .300 Blackout?

Yes, an 8-inch barrel is considered ideal for .300 Blackout, especially for subsonic ammunition and suppressed performance.

3. Can I use both subsonic and supersonic ammo?

Absolutely. The 300 blackout barreled action 8” is designed to handle both types of ammunition effectively.

4. Is this suitable for hunting?

Yes, it is suitable for hunting medium-sized game, particularly when using the appropriate ammunition.

5. Do I need a suppressor for this setup?

No, but using a suppressor significantly enhances the performance and shooting experience.

6. Is this good for a custom build?

Yes, this barreled action is an excellent foundation for custom firearm builds.

Final Thoughts

The 300 blackout barreled action 8” offers unmatched performance in a compact package. Whether you’re building a tactical rifle, upgrading your setup, or optimizing for suppressed shooting, this product delivers the reliability and precision you need.

👉 Take your shooting experience to the next level—order yours today.