Details
Davidson Defense Safehouse 10.5" .300 Blackout AR-15 Pistol Full Build Kit | SBA5 Brace | 1:8 Twist | Quad Rail Handguard | Adjustable Gas Block
This Davidson Defense Safehouse complete pistol build kit delivers functionality and flexibility for .300 Blackout applications. Built around a 10.5-inch barrel with government profile crafted from 4150 Chrome Moly Vanadium steel with durable nitride treatment and 1:8 twist rate, this kit is designed for optimal performance across subsonic and supersonic loads. The premium adjustable low-profile gas block located under the handguard ensures reliable cycling with various ammunition types and suppressor configurations. The drop-in quad-rail handguard constructed from aluminum allows for extensive accessory attachments on all four sides, while the 7075-T6 aluminum upper receiver features an anodized finish for improved durability. Equipped with a pistol-length gas system, SB Tactical SBA5 pistol stabilizing brace for a stable shooting platform, complete 9310 alloy steel bolt carrier group with nitride finish, and all necessary components, this suppressor-ready build kit offers versatility for various shooting applications.
Key Features
- 10.5" Government Profile Barrel – 4150 CrMoV steel with durable nitride treatment and 1:8 twist rate
- Premium Adjustable Low-Profile Gas Block – Reliable cycling with ammunition and suppressor versatility (located under handguard)
- Front Sight Post – Integrated sight (not used as gas block; gas block is located under handguard)
- Pistol-Length Gas System – Optimized for 10.5-inch barrel performance
- Drop-In Quad-Rail Handguard – Aluminum construction with extensive mounting options on all four sides
- 7075-T6 Aluminum Upper Receiver – Anodized finish for improved durability
- SB Tactical SBA5 Pistol Stabilizing Brace – Stable shooting platform with proven design
- Complete 9310 Alloy Steel Bolt Carrier Group – Nitride finish for reliable cycling
- Suppressor-Ready Design – Versatile for various shooting applications
Perfect For
- Shooters who value functionality and flexibility in .300 Blackout pistol platforms
- Builders seeking a complete kit with SB Tactical's SBA5 brace design
- Tactical applications requiring adjustable gas for suppressed and unsuppressed shooting
- Those needing extensive quad-rail accessory mounting on all four sides
Government Profile Barrel with Nitride Treatment
The 10.5-inch barrel features a government profile crafted from 4150 Chrome Moly Vanadium steel with a durable nitride treatment for exceptional corrosion resistance and longevity. The government profile provides reliable durability while maintaining manageable weight for pistol configurations. The 1:8 twist rate is designed for optimal performance with .300 Blackout ammunition across both subsonic loads (typically 190-220 grains) and supersonic loads (110-125 grains). This versatility makes the barrel equally capable for suppressed subsonic shooting with minimal sound signature and high-velocity supersonic applications for maximum energy delivery.
Premium Adjustable Low-Profile Gas Block
The premium adjustable low-profile gas block is located under the handguard and ensures reliable cycling with various ammunition types and suppressor configurations. This adjustability is critical for .300 Blackout platforms that may run both subsonic and supersonic loads, with or without a suppressor. By adjusting gas flow, you can ensure proper cycling with heavy subsonic ammunition when suppressed, then adjust for reliable operation with supersonic loads or unsuppressed shooting. This suppressor-ready design provides the versatility needed for various shooting applications, from tactical scenarios to recreational range use. Note: The front sight post is not used as a gas block; the adjustable gas block is located under the handguard.
Drop-In Quad-Rail Handguard
The drop-in quad-rail handguard is constructed from aluminum and allows for extensive accessory attachments on all four sides. Picatinny rails provide comprehensive mounting options for lights, lasers, foregrips, pressure switches, and other tactical gear exactly where you need them. This maximum mounting flexibility is particularly valuable for suppressor-host configurations, night vision setups, or any build requiring multiple accessories positioned around the compact pistol platform. The aluminum construction keeps overall weight manageable while providing a rigid mounting platform that maintains zero for precision equipment.
SB Tactical SBA5 Pistol Stabilizing Brace
The SB Tactical SBA5 pistol stabilizing brace provides a stable shooting platform with proven design and reliable performance. The SBA5 represents an evolution of SB Tactical's brace designs, incorporating lessons learned from years of field use and user feedback. The minimalist design maintains the compact profile essential to pistol configurations while offering improved stability during use. The SBA5 enhances shooter control and accuracy potential, making this build kit immediately functional for range sessions and field applications with a platform that balances compactness with shooting stability.
Complete Components for Versatile Applications
This complete build kit includes a 7075-T6 aluminum upper receiver with an anodized finish for improved durability and corrosion resistance. The complete bolt carrier group is made from 9310 alloy steel with a matching nitride finish for exceptional hardness, corrosion resistance, and reliable cycling with .300 Blackout's unique operating characteristics. The pistol-length gas system is optimized specifically for the 10.5-inch barrel, ensuring consistent performance across various ammunition types. All components work together to deliver functionality and flexibility for diverse shooting applications, whether you're building a suppressed subsonic setup, a high-velocity tactical pistol, or a recreational platform requiring maximum versatility.
Always follow safe handling and manufacturer instructions.
Ensure compliance with all applicable federal, state, and local laws.
If using a suppressor, verify proper gas system adjustment for reliable cycling with your specific ammunition and suppressor combination.
Confirm fitment and compatibility with your lower receiver and brace usage regulations before assembly.