Windham Weaponry WA-15B .300 Blackout Black 7.5″ SBA3 Pistol

Description Table of Contents Toggle Key SpecificationsWhat’s in the BoxWindham Weaponry WA-15B .300 Blackout 7.5″ SBA3 — Key SpecificationsPerformance & ReliabilityIntended Use & ApplicationsWhy Buy From CaliperDepot? Key Specifications Caliber/Gauge: 300 AAC Blackout Capacity: 30 1 Barrel Length: 7.5" Action: Semi-Auto Sights: No Sights What’s in the Box 1 × 30 rd. The Windham Weaponry WA-15B .300 Blackout Black 7.5″ SBA3 is a purpose-engineered AR pistol designed for shooters seeking a compact, maneuverable platform chambered in the highly effective .300 Blackout cartridge. This firearm combines the modularity and ergonomics of the AR platform with the ballistic advantages of .300 BLK, making it an excellent choice for tactical applications, home defense, and specialized hunting scenarios. The 7.5-inch barrel length provides optimal velocity while maintaining the compact profile that AR pistols are known for. Paired with the SBA3 stabilizing brace, this Windham Weaponry WA-15B delivers superior control and pointability in tight spaces where traditional rifles would be unwieldy. Windham Weaponry WA-15B .300 Blackout 7.5″ SBA3 — Key Specifications Caliber: .300 Blackout (7.62x35mm) Barrel Length: 7.5 inches Action: Semi-automatic direct impingement Finish: Black hard-coat anodized aluminum and Parkerized steel Stabilizing Brace: SBA3 tactical brace for enhanced control Rail System: M-LOK compatible accessory rails for customization Sight Mounting: Picatinny top rail for optics and red dot sights Magazine: Standard AR-pattern magazines (typically 30-round capacity) Stock Configuration: Pistol grip with ambidextrous controls Overall Length: Approximately 26 inches with brace collapsed Weight: Approximately 5.5 pounds unloaded Safety Features: Ambidextrous safety selector and charging handle Performance & Reliability The Windham Weaponry WA-15B .300 Blackout 7.5″ SBA3 delivers exceptional performance characteristics that make it a standout platform for AR pistol enthusiasts. The .300 Blackout cartridge is renowned for its superior terminal ballistics, especially when paired with subsonic ammunition and suppressors. At close to medium ranges, the WA-15B produces consistent, reliable velocity and accuracy that far exceeds what you might expect from such a compact platform. Windham Weaponry’s reputation for quality manufacturing ensures that every component functions flawlessly, shot after shot. Reliability is paramount with any defensive or tactical firearm, and the WA-15B meets that standard with its proven direct impingement system and tight tolerances. The 7.5-inch barrel maintains excellent velocity stability across varying ammunition weights, from subsonic loads to standard supersonic rounds. Users consistently report zero reliability issues, even under rapid-fire conditions or with suppressed configurations. The Windham Weaponry WA-15B demonstrates the same durability and longevity you’d expect from a full-size rifle, just in a more compact format. Accuracy from the WA-15B is surprisingly strong for an AR pistol, with many shooters reporting sub-MOA groups at 25 yards using quality optics and ammunition. The modular design allows for easy barrel swaps or upper receiver changes if you want to experiment with different configurations. The SBA3 brace significantly improves recoil management and follow-up shot capability compared to traditional pistol braces. Whether you’re using quality ammunition from CaliperDepot or reloads, the WA-15B will deliver reliable, consistent performance. Intended Use & Applications The Windham Weaponry WA-15B .300 Blackout 7.5″ SBA3 is ideally suited for home defense scenarios where space is limited and maneuverability is critical. Military and law enforcement professionals favor AR pistols in .300 Blackout for specialized tactical operations, urban environments, and close-quarters battle situations. The compact profile makes it perfect for vehicle storage, apartment dwellers, or anyone who wants a serious defensive tool that doesn’t require the footprint of a full-length rifle. Home defenders specifically appreciate the WA-15B’s intuitive controls and ability to mount modern optics for superior target acquisition. Hunting applications for the WA-15B include medium-game hunting at moderate distances, where the .300 Blackout’s proven terminal performance shines. Predator hunters and varmint control specialists benefit from the platform’s modularity and suppressor compatibility, which allows for quiet, efficient pest elimination without disturbing surrounding wildlife. The pistol configuration makes it excellent for hunting from vehicles, blinds, or tight brush where a rifle would be impractical. Browse our complete firearms selection to compare caliber options and find the perfect hunting platform. Sport shooters and AR enthusiasts love the WA-15B for target shooting, training, and competition in both defensive and precision pistol matches. The modularity of the AR platform means you can easily customize the WA-15B with different stocks, grips, optics, and muzzle devices to suit your specific preferences and shooting style. Suppressors pair exceptionally well with the .300 Blackout cartridge in this platform, creating an incredibly quiet shooting experience that many owners specifically appreciate. Whether you’re training for a specific purpose or simply enjoying recreational shooting, the Windham Weaponry WA-15B provides a versatile, reliable foundation. Why Buy From CaliperDepot? CaliperDepot is committed to providing shooters with the finest firearms, ammunition, and accessories at highly competitive prices with exceptional customer service. We maintain a robust inventory of quality AR pistols and complete builds, ensuring the Windham Weaponry WA-15B .300 Blackout 7.5″ SBA3 is in stock and ready to ship to your local FFL dealer. Our team of knowledgeable firearm experts is always available to answer questions about specs, compatibility, and which accessories will best enhance your new pistol. We understand the importance of fast, reliable shipping and competitive pricing, which is why thousands of shooters trust CaliperDepot for their firearms purchases. Beyond just selling products, CaliperDepot is dedicated to being your one-stop resource for everything from quality ammunition to specialized accessories and replacement parts. Our rigorous quality control process means every firearm that leaves our warehouse has been properly inspected and tested. We offer transparent pricing with no hidden fees, straightforward FFL transfer information, and responsive customer support to ensure your buying experience is smooth and satisfying. When you purchase a Windham Weaponry WA-15B from CaliperDepot, you’re investing in both the firearm and our commitment to your complete satisfaction. The Windham Weaponry WA-15B .300 Blackout Black 7.5″ SBA3 represents an outstanding value for anyone seeking a reliable, compact AR pistol platform with proven performance and versatility. Its short barrel length, effective cartridge choice, and quality construction make it ideal for defense, hunting, and sport shooting applications. Don’t miss the opportunity to add this exceptional AR pistol to your collection, and rely on CaliperDepot’s expertise and inventory to get you armed and ready. Order your Windham Weaponry WA-15B today and experience the difference that quality manufacturing and customer service can make.