Discover the ultimate compact powerhouse for your AR-15 build with the 5″ 300 Blackout Micro Pistol Barrel. Engineered for precision and reliability in close-quarters scenarios, this barrel delivers exceptional performance with subsonic and supersonic ammunition, making it ideal for tactical pistols and suppressed setups. Crafted from premium 4150 CrMoV steel with a durable black nitride finish, it ensures longevity and corrosion resistance while optimizing velocity and accuracy in a ultra-short profile.
Key Features
- Ultra-Compact Design: At just 5 inches, this micro pistol barrel provides maximum maneuverability without sacrificing the punch of .300 Blackout rounds, perfect for home defense or concealed carry builds.
- Optimized Twist Rate: 1:5 RH twist stabilizes heavier subsonic projectiles, enhancing accuracy and terminal ballistics for suppressed shooting.
- Advanced Material and Finish: Button-rifled 4150 CrMoV construction with black nitride (Melonite) coating reduces friction, improves heat dissipation, and extends barrel life under high-round counts.
- M4 Barrel Extension: Ensures seamless compatibility with standard AR-15 lowers and bolt carrier groups for a drop-in upgrade.
- Micro Gas System: Paired with a 0.75″ gas block journal, it balances reliable cycling with minimal recoil, ideal for lightweight pistol configurations.
Specifications
- Caliber: .300 Blackout (300 BLK)
- Barrel Length: 5 inches
- Profile: Medium/Micro
- Twist Rate: 1:5 RH
- Gas System: Micro
- Muzzle Threads: 5/8×24
- Finish: Black Nitride
- Platform: AR-15
- Material: 4150 CrMoV Steel
Why Choose This Product?
This barrel addresses common challenges in short-barreled AR-15 pistol builds, such as gas system reliability and projectile stabilization. The fast 1:5 twist excels with 190-220 grain subsonic loads, minimizing over-stabilization issues seen in slower twists, while the nitride finish combats wear from rapid fire. Whether you’re customizing a PDW for tactical use or seeking a versatile suppressor host, this barrel enhances your setup’s accuracy and dependability, ensuring confidence in every shot. Its compact dimensions (7″ L x 3″ W x 3″ H) make it easy to handle during assembly, solving the pain point of bulky components in tight builds.
Elevate your .300 Blackout pistol today—secure this high-performance barrel and experience the difference in precision and control. Perfect for enthusiasts demanding quality without compromise.
Frequently Asked Questions
Q: Is this barrel compatible with standard AR-15 parts?
A: Yes, it features an M4 barrel extension and is designed for the AR-15 platform, ensuring easy integration with most mil-spec components.
Q: Why a 1:5 twist rate?
A: The 1:5 twist is optimized for .300 Blackout subsonic ammunition, providing superior stabilization for heavier bullets commonly used in suppressed applications.
Q: Does the black nitride finish affect performance?
A: Absolutely—it enhances durability, reduces fouling, and improves accuracy by minimizing barrel wear and maintaining consistent rifling.
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