CMMG Barrel, 300 AAC Blackout, 16.1″ Barrel, MR 4140CM Sbn

Product Description

The CMMG 300 Blackout 16.1″ barrel is engineered for serious AR-15 shooters. This premium rifle barrel features a 1:7 twist rate optimized for both subsonic and supersonic ammunition. The 16.1″ carbine length provides excellent velocity and handling characteristics for tactical and recreational shooting.

Furthermore, this barrel is constructed from 4140 CrMo steel for maximum durability. The salt bath nitride finish provides superior corrosion resistance. Additionally, the finish ensures reliable performance in demanding conditions and extended shooting sessions.

Premium Construction & Threading

The CMMG barrel includes a 5/8×24 muzzle thread pattern for easy suppressor installation. This industry-standard threading accepts most modern 300 Blackout suppressors and muzzle devices. Therefore, you can customize your build to match your specific shooting needs and preferences.

The 1:7 twist rate stabilizes heavy 300 Blackout projectiles effectively. Indeed, this barrel works perfectly for precision rifle builds and tactical platforms. It’s ideal for shooters who demand accuracy and reliability in their AR builds.

Perfect for Sporting & Tactical Use

This barrel excels in suppressed shooting applications and precision builds. Moreover, it performs excellently with heavier projectiles ranging from 150 to 220 grains. Whether you’re building a tactical rifle or a precision platform, the CMMG 300 Blackout barrel delivers consistent performance.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. We stock premium CMMG components and provide expert guidance on barrel selection and AR platform builds. Call us at 817-393-4000 for local availability and competitive pricing.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with 15+ years of expertise in the North Texas area.
• Knowledgeable staff provides expert guidance on barrel selection and AR builds.
• Competitive pricing on premium CMMG components and accessories.
• Professional shipping and secure handling for complete peace of mind.
• Trusted customer service before and after your purchase.

Frequently Asked Questions

Q: Is the CMMG 300 Blackout barrel compatible with standard AR-15 receivers?

A: Yes, this CMMG barrel is fully compatible with standard AR-15 receiver assemblies. The 5/8×24 threading accepts most modern suppressors and muzzle devices without modification.

Q: What ammunition weights does the 1:7 twist rate stabilize best?

A: The 1:7 twist stabilizes both subsonic and supersonic 300 Blackout loads effectively. It performs excellently with heavier projectiles ranging from 150 to 220 grains.

Q: Does CMMG provide a warranty on this barrel?

A: Yes, CMMG stands behind their manufacturing with standard warranty coverage. Contact Western Sport at 817-393-4000 for complete warranty details and registration information.

Q: What is the best use case for this CMMG barrel?

A: This barrel excels in tactical rifles, precision builds, and suppressed shooting applications. It’s perfect for North Texas shooters seeking reliable 300 Blackout performance in a versatile package.

Additional information