Description
The Battle Arms Development Silent Professional SBR .300 Blackout, 7.5″ Barrel, VERT Stock, Black, 30rd is a purpose-built, factory-configured short-barreled rifle designed for suppressed use. It combines a compact 7.5-inch barrel chambered in .300 AAC Blackout with a specialized gas system and a vertical stock for superior control in close-quarters scenarios. This SBR is a complete, high-performance package ready for immediate deployment.
Key Features
- Optimized for Suppression: The .300 Blackout cartridge and 7.5-inch barrel length are engineered to achieve reliable, subsonic performance with a suppressor attached.
- VERT Stock for Stability: The vertical-style stock provides a solid cheek weld and shoulder point, enhancing control during rapid strings of fire—critical when every shot placement counts.
- Complete, Ready-to-Run SBR: This is a factory-built NFA item. It ships as a registered short-barreled rifle, requiring the appropriate tax stamp and FFL transfer for firearm purchases.
- Battle-Proven Compatibility: Built on a mil-spec platform, it accepts a vast array of standard AR-15 parts and accessories, allowing for customization with brands like Magpul, SureFire, and EOTech.
Specifications & Details
| Caliber | .300 AAC Blackout |
|---|---|
| Barrel Length | 7.5 Inches |
| Overall Length (Stock Collapsed) | Approx. 24-26 Inches |
| Stock | VERT (Vertical) Style |
| Magazine Capacity | 30 Rounds (Magazine Included) |
| Finish | Black Anodized |
The heart of this system is the synergy between cartridge and barrel. The .300 Blackout round loses very little ballistic efficiency from a short tube, making a 7.5-inch barrel ideal for a maneuverable package that doesn’t sacrifice terminal effect. The gas system is tuned to run both supersonic and heavy subsonic loads flawlessly, especially when paired with a can. Weighing in at roughly 6.5 pounds unloaded, it’s light enough for extended carry but has enough heft to manage recoil. The included 30-round magazine ensures you have ample capacity on tap, whether for a training course or a defensive plan.
Who This SBR Is For
This is a tool for a specific user. It’s for the home defender who understands the advantages of a suppressed firearm in a confined space—reducing concussion and preserving hearing. It’s for the tactical shooter who needs a compact, hard-hitting primary weapon for vehicle or structure-based work. It’s also for the enthusiast who demands a top-tier, no-compromise SBR that’s drop-in ready from the case, requiring no gunsmithing to begin running suppressed. The investment of $2114.06 reflects its role as a professional-grade, specialized firearm.
Pros & Cons
Pros: The integrated design philosophy means everything works together from day one. Suppressor performance is excellent. The VERT stock offers a real advantage over traditional designs for quick shouldering. Its compatibility with common AR parts simplifies maintenance and customization.
Cons: The .300 Blackout round is more expensive than 5.56mm for practice. As an NFA item, the required tax stamp and wait time add to the initial cost and acquisition timeline. Its short sight radius makes an optic a near-necessity for precision work.
Frequently Asked Questions
Q: Is this a complete rifle or just an upper receiver?
A: This is a complete, factory-built and registered Short-Barreled Rifle (SBR). It is transferred on a Form 4 with a required tax stamp, not as a pistol or receiver.
Q: What type of suppressor works best with this setup?
A: Any .30 caliber rifle suppressor rated for .300 Blackout will work. Look for models designed for high backpressure and quiet subsonic performance. Popular choices include suppressors from SilencerCo, Dead Air, and SureFire.
Q: Can I change the stock or handguard?
A: Yes. The lower receiver uses a standard mil-spec buffer tube, allowing for stock swaps. The upper receiver uses a common barrel nut interface, so most AR-15 handguards that fit the gas system length can be installed. This rifle is available at firearms-missouri.com for Missouri residents and nationwide.
When it comes to securing a perimeter or defending a hallway, this SBR provides a concrete advantage. Its configuration isn’t accidental; it’s the result of focused engineering for a specific tactical problem. That said, you’re investing in a system, not just a firearm. Ready to configure your NFA trust? Start the process by viewing the full details on our product page.




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