Details
Davidson Defense Nightcarve 10.5" 5.56 NATO Full Build Kit with SBA5 Brace | 4150 CMV Nitride | Carbine-Gas | FSB | Quad-Rail
The Davidson Defense Nightcarve with SBA5 Brace 10.5" 5.56 NATO full build kit offers a robust foundation for building a reliable AR-15 pistol platform with traditional front sight base configuration. Built around a 10.5-inch 5.56 NATO barrel constructed from 4150 Chrome Moly Vanadium steel with nitride finish and 1:8 twist rate, this kit provides versatile ammunition handling from 55-grain to 77-grain projectiles. The AR-15 upper receiver is made from 7075-T6 aluminum with anodized finish for durability, equipped with M4 feed ramps for reliable feeding across diverse ammunition types. The kit features a carbine-length quad-rail handguard for optimal accessory attachment with laser-etched T-marks for precision positioning. The SB Tactical SBA5 pistol stabilizing brace provides effective support and enhanced control. The kit includes a stainless steel gas tube, Mil-Spec compatible buffer tube kit, complete bolt carrier group, Mil-Spec charging handle, AR-15 birdcage flash hider, and all necessary lower parts. This full build kit is ideal for gunsmiths seeking a reliable, customizable platform for a variety of shooting applications. This kit includes everything except the lower receiver.
Key Features
- 10.5" Barrel: 4150 Chrome Moly Vanadium steel with nitride finish and 1:8 twist rate for versatile ammunition handling
- Carbine-Length Gas System: Reliable cycling with stainless steel gas tube and A2 front sight base (FSB) gas block
- 7075-T6 Aluminum Upper Receiver: Anodized finish with M4 feed ramps for reliable feeding and durability
- Complete Bolt Carrier Group: Included for dependable operation and consistent cycling
- Mil-Spec Charging Handle: Standard Mil-Spec design for reliable operation and broad compatibility
- Carbine-Length Quad-Rail Handguard: Optimal accessory attachment with laser-etched T-marks for precision positioning
- SB Tactical SBA5 Pistol Stabilizing Brace: Effective support and enhanced control for compact pistol platforms
- Mil-Spec Compatible Buffer Tube Kit: Robust construction for reliable operation and brace compatibility
- AR-15 Birdcage Flash Hider: Effective flash reduction for improved visibility
- A2 Front Sight Base: Standard military-spec FSB for proven sight configuration
- Complete Lower Parts Kit: Includes all necessary components for lower receiver assembly
- Full Build Kit: Includes everything to complete the build except the lower receiver
Perfect For
- Gunsmiths and Custom Builders seeking a comprehensive compact pistol build kit with traditional FSB configuration and proven SBA5 brace
- Home Defense and CQB Applications where maneuverability, effective support, and reliable cycling are critical
- Classic AR-15 Enthusiasts who prefer traditional front sight base setups with quad-rail versatility
- Shooters wanting a reliable, customizable platform with proven components for varied shooting applications
Barrel Construction and Nitride Finish
The 10.5-inch barrel is constructed from 4150 Chrome Moly Vanadium steel, a proven material choice for strength and durability in compact barrel configurations. The nitride finish enhances surface hardness and provides superior corrosion resistance, ensuring consistent performance across extended shooting sessions and varied environmental conditions. The 1:8 twist rate is optimized to stabilize a wide range of 5.56 NATO projectile weights for versatile ammunition handling, from lightweight 55-grain bullets for high-velocity applications to heavier 77-grain match projectiles, supporting diverse shooting applications from close-quarters to precision shooting within the effective range of the 10.5-inch barrel.
Carbine Gas System and Front Sight Base Design
The carbine-length gas system is optimized for shorter barrel lengths like 10.5 inches, providing reliable cycling performance and consistent extraction and ejection in compact configurations. The stainless steel gas tube offers excellent corrosion resistance and durability, ensuring dependable gas operation across varied shooting conditions. The A2 front sight base (FSB) gas block serves dual purposes—functioning as both the gas block and providing a standard military-spec iron sight. This classic FSB configuration has been proven over decades of military use, offering robust construction, reliable performance, and a dependable backup sight system that requires no batteries or electronics. The A2 FSB maintains the traditional AR-15 aesthetic while providing proven functionality.
Upper Receiver and Bolt Carrier Group
The 7075-T6 aluminum upper receiver with anodized finish offers exceptional strength-to-weight ratio and enhanced durability for reliable long-term performance. The inclusion of M4 feed ramps enhances feeding reliability, supporting smooth chambering across diverse ammunition types and reducing potential feeding issues. The included complete bolt carrier group ensures dependable operation and consistent cycling performance across varied ammunition types and shooting conditions. The BCG is designed to work seamlessly with the carbine gas system, providing reliable extraction and ejection in the compact 10.5-inch configuration. Paired with a Mil-Spec charging handle, the complete upper ensures smooth, dependable operation and broad compatibility with aftermarket upgrades and accessories.
Quad-Rail Handguard with Laser-Etched T-Marks
The carbine-length quad-rail handguard provides four-sided Picatinny rail coverage for optimal accessory attachment at 12, 3, 6, and 9 o'clock positions. A distinguishing feature is the laser-etched T-marks for precision positioning of accessories, allowing shooters to consistently place and relocate accessories with exact repeatability. This is particularly valuable for shooters who frequently adjust their accessory configuration or who need to ensure consistent zero when remounting lights, lasers, or other devices. The quad-rail design allows for extensive mounting of lights, laser devices, vertical grips, and other Picatinny-compatible accessories, providing maximum mounting flexibility for shooters who require extensive accessory options in a compact pistol platform.
SBA5 Brace and Buffer System
The SB Tactical SBA5 pistol stabilizing brace provides effective support and enhanced control for compact pistol platforms, supporting improved shooter comfort during shooting. The SBA5 represents proven SB Tactical stabilizing brace technology, maintaining lightweight characteristics critical for maneuverable pistol configurations. The kit includes a Mil-Spec compatible buffer tube kit providing robust construction for reliable operation and secure brace attachment, ensuring the SBA5 brace system functions properly throughout extended use while supporting consistent firearm operation.
Muzzle Device and Complete Build Package
The included AR-15 birdcage flash hider effectively reduces muzzle flash, improving visibility and target tracking during rapid-fire strings and low-light shooting scenarios. Flash reduction is particularly important on shorter barrels like 10.5 inches, where increased muzzle flash is more pronounced. The kit includes a complete lower parts kit with all necessary components for lower receiver assembly, providing gunsmiths with everything needed to complete the pistol build except the lower receiver itself. This full build kit delivers a reliable, customizable platform for a variety of shooting applications with traditional FSB configuration, laser-etched accessory positioning capability, and quality components throughout.
Follow safe handling practices and manufacturer instructions for assembly and use. Ensure compliance with all applicable federal, state, and local laws regarding pistol configurations and stabilizing braces. This kit is chambered in 5.56 NATO. This kit includes all necessary components to complete the build—lower receiver sold separately.
