Geissele Automatics Super Duty HBAR AR-15 Barreled Upper Receiver 5.56 Midlength - Black - No Muzzle Device - 16" - 08-660B
Out of stock
Elevate your AR-15 build with the Geissele Automatics Super Duty HBAR AR-15 Barreled Upper Receiver in 5.56 NATO, featuring a reliable mid-length gas system and a durable 16-inch heavy barrel. Designed for enthusiasts and professionals seeking uncompromising performance, this black-finished upper delivers precision engineering that stands up to rigorous use, ensuring your rifle is ready for range days, tactical training, or defensive applications.
Key Features
- Heavy Barrel Profile: The HBAR design provides exceptional heat dissipation and sustained accuracy during extended firing sessions, reducing barrel whip for tighter groupings.
- Mid-Length Gas System: Offers smoother recoil operation and less wear on internal components compared to carbine-length systems, enhancing reliability and shooter comfort.
- 1:7 Twist Rate: Optimized for stabilizing heavier 5.56 NATO bullets, including those with longer profiles for improved long-range performance.
- Mag Phosphate Finish: Corrosion-resistant coating on the barrel protects against environmental wear, ensuring longevity in harsh conditions.
- No Muzzle Device Included: Allows customization with your preferred suppressor, flash hider, or compensator to match your specific needs.
- Stripped Configuration: Excludes BCG and charging handle for flexibility in completing your build with trusted components.
Specifications
- Barrel Length: 16 inches
- Caliber: 5.56 NATO
- Gas System: Midlength
- Twist Rate: 1:7
- Barrel Finish: Mag Phosphate
- Barrel Profile: Heavy (HBAR)
- Weight: 65.6 oz
- Dimensions: Length: 26 inches, Width: 3.5 inches, Height: 3.5 inches
- BCG/Charging Handle: Not Included
Why Choose the Geissele Super Duty HBAR Upper?
This barreled upper addresses common pain points in AR-15 assemblies, such as overheating during prolonged use or inconsistent accuracy. Geissele’s reputation for mil-spec excellence means you’ll get a component that’s battle-tested for durability and precision, without the guesswork of lesser-quality parts. Whether you’re upgrading an existing rifle or starting a custom project, the Super Duty HBAR integrates seamlessly with standard AR-15 lowers, providing a modular foundation that enhances overall reliability and reduces maintenance hassles. Its robust construction minimizes vibrations for cleaner follow-up shots, making it ideal for competitive shooters or those prioritizing tactical readiness.
Ready to build the ultimate 5.56 AR-15? Add the Geissele Automatics Super Duty HBAR Barreled Upper Receiver to your cart today and experience the difference premium craftsmanship makes in your firearm performance.
Frequently Asked Questions
Is this upper compatible with all AR-15 lowers?
Yes, it adheres to mil-spec standards, ensuring compatibility with most AR-15 lower receivers for a straightforward assembly.
What handguard is included with this upper?
The Super Duty HBAR features Geissele’s proprietary rail system for M-LOK mounting, providing ample space for optics, lights, and grips without added bulk.
Does it require any special tools for installation?
No, standard AR-15 armorer tools are sufficient for installation onto a compatible lower, though professional gunsmithing is recommended for optimal torque specs.
| Weight | 65.6 oz |
|---|---|
| Dimensions | 26 × 3.5 × 3.5 in |
| Barrel Finish | Mag Phosphate |
| Barrel Profile | Heavy |
| Cartridge Compatibility | 5.56 NATO |
| Barrel Length | 16" |
| Gas System Length | Midlength |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| MPN | 08-660B |
| UPC | 810081135641 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
