Details
5.56 NATO AR-15 SBR Ready Pistol Full Build Kit | 10.5" Barrel | Davidson Defense Final Say | 1:8 Twist | FSB | Quad-Rail Handguard | No Brace Included
An efficient solution for those seeking an SBR-ready firearm, the Davidson Defense Final Say 5.56 NATO pistol full build kit delivers reliable components and maximum configurability. The kit features a 10.5-inch barrel made from durable 4150 Chrome Moly Vanadium steel with an M4 profile and a 1:8 twist rate for consistent accuracy across various bullet weights. It includes a carbine-length gas system and a front sight base gas block for reliable cycling and integrated iron sight capability. The quad-rail handguard constructed from 6061-T6 aluminum allows for flexibility in mounting accessories at multiple positions. It comes with an anodized AR-15 upper receiver made from 7075 T6 aluminum, ensuring strength and longevity for demanding use. The kit is completed with a standard carbine recoil buffer, a Mil-Spec heavy-duty 6-position buffer tube, and a 9310 alloy steel complete bolt carrier group, all designed to meet the requirements of serious firearm enthusiasts. This SBR Ready configuration ships without a brace, allowing you to choose your preferred final setup.
Key Features
- SBR Ready Configuration – Ships without a brace, allowing you to configure your preferred final setup
- 10.5" Barrel | 5.56 NATO Chambering – 4150 Chrome Moly Vanadium steel with M4 profile and 1:8 twist rate
- Full Build Kit – Includes all upper components, bolt carrier group, charging handle, and lower parts kit
- 9310 Alloy Steel Bolt Carrier Group – Complete BCG designed for serious firearm enthusiasts
- 7075 T6 Aluminum Upper Receiver – Anodized finish for strength and longevity
- Quad-Rail Handguard – 6061-T6 aluminum for flexibility in mounting accessories
- Front Sight Base Gas Block – Integrated iron sight capability with reliable gas system
- Carbine-Length Gas System – Reliable cycling across ammunition types
- Mil-Spec Heavy-Duty 6-Position Buffer Tube – Includes standard carbine recoil buffer
Perfect For
- Serious firearm enthusiasts seeking an SBR-ready solution
- Builders who want to choose their own brace or stock configuration
- Shooters looking for flexibility in mounting accessories
- Gunsmiths who value maximum configurability
- AR-15 owners seeking an efficient, complete solution
SBR Ready Flexibility
This SBR Ready configuration ships without a brace, giving you complete control over your final build setup. Whether you plan to configure this as a pistol with your preferred brace, or you're prepared to follow applicable federal, state, and local laws for an SBR configuration, this kit provides an efficient solution for your vision. The included Mil-Spec heavy-duty 6-position buffer tube with standard carbine recoil buffer is compatible with a wide range of braces and stocks, ensuring you can select the exact setup that matches your intended use and shooting style. See configuration options to complete your build exactly as you envision it.
M4 Profile Barrel with FSB
The 10.5-inch barrel made from durable 4150 Chrome Moly Vanadium steel with M4 profile delivers exceptional strength and reliable performance for demanding use. The M4 profile is a proven barrel contour that balances weight and rigidity for consistent accuracy. With a 1:8 twist rate, this barrel ensures versatile performance across various bullet weights from lightweight to heavy projectiles, stabilizing ammunition for reliable accuracy. The carbine-length gas system with front sight base gas block provides reliable cycling and integrated iron sight capability, ensuring dependable function across different 5.56 NATO and .223 Remington ammunition types.
Anodized Upper Receiver and Quad-Rail Handguard
The anodized AR-15 upper receiver made from 7075 T6 aluminum ensures strength and longevity for demanding use, providing exceptional dimensional stability and corrosion resistance. The anodized finish protects against environmental stress and wear for long-term reliable performance. The quad-rail handguard constructed from 6061-T6 aluminum allows for flexibility in mounting accessories at 12, 3, 6, and 9 o'clock positions. This four-sided Picatinny rail coverage provides maximum mounting options for lights, lasers, vertical grips, and other tactical accessories, allowing for extensive customization tailored to your requirements.
Efficient Solution for Serious Enthusiasts
This full build kit provides an efficient solution for serious firearm enthusiasts except the lower receiver: anodized upper receiver made from 7075 T6 aluminum, 10.5-inch barrel with M4 profile and front sight base gas block, quad-rail handguard with flexible accessory mounting, 9310 alloy steel complete bolt carrier group designed for reliable cycling, charging handle, muzzle device, and lower parts kit including Mil-Spec heavy-duty 6-position buffer tube and standard carbine recoil buffer. The SBR Ready configuration provides maximum configurability, allowing you to select your preferred brace or stock to match your intended use. All components are designed to meet the requirements of serious firearm enthusiasts seeking strength, longevity, and reliable performance for tactical applications, home defense, and range use.
Disclaimer: This kit includes all necessary parts except the lower receiver. SBR Ready configuration ships without a brace. Know and follow all applicable federal, state, and local laws regarding SBR configurations, and don't install a stock unless compliant. Always follow safe handling practices and manufacturer instructions. Verify proper installation of all components including gas system and front sight base before use. Use ammunition appropriate for 5.56 NATO or .223 Remington chambering.
