Details
Davidson Defense Nightcarve 10.5" 5.56 NATO Full Build Kit with SBA3 Brace | 4150 CMV Nitride | Carbine-Gas | FSB | Quad-Rail
The Davidson Defense Nightcarve with SBA3 Brace 10.5" 5.56 NATO full build kit is a comprehensive solution for building a capable and reliable AR-15 pistol platform with traditional front sight base configuration. Built around a 10.5-inch barrel crafted from 4150 Chrome Moly Vanadium steel with 1:8 twist rate and nitride finish, this kit delivers improved performance and longevity in compact configurations. The carbine-length gas system with A2 front sight base ensures reliable cycling and provides a standard military-spec iron sight. The kit features a carbine-length quad-rail handguard made of durable aluminum with a sleek black finish, offering four-sided Picatinny rail coverage for extensive accessory mounting. The mil-spec AR-15 upper receiver is constructed from 7075-T6 aluminum for high-strength durability. The complete upper includes a bolt carrier group made from 9310 alloy steel, Mil-Spec charging handle, and all necessary lower parts. The adjustable SB Tactical SBA3 brace provides stabilizing support and adjustable length-of-pull. Additional components include a mil-spec heavy-duty buffer tube kit, standard carbine recoil spring, and AR-15 GI birdcage flash hider. This kit provides all essential parts for building a capable and reliable AR-15 pistol. 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 improved performance and longevity
- Carbine-Length Gas System: Reliable cycling with A2 front sight base (FSB) gas block for classic sight configuration
- Complete Bolt Carrier Group: Made from 9310 alloy steel for dependable operation and consistent cycling
- Mil-Spec Charging Handle: Standard Mil-Spec design for reliable operation and broad compatibility
- 7075-T6 Aluminum Upper Receiver: Mil-spec construction for high-strength durability
- Carbine-Length Quad-Rail Handguard: Durable aluminum with black finish and four-sided Picatinny rails
- SB Tactical SBA3 Adjustable Brace: Adjustable length-of-pull for stabilizing support and improved control
- Mil-Spec Heavy-Duty Buffer Tube Kit: Robust construction with standard carbine recoil spring
- AR-15 GI 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 SBA3 brace
- Home Defense and CQB Applications where maneuverability, adjustability, and reliable cycling are critical
- Classic AR-15 Enthusiasts who prefer traditional front sight base setups with quad-rail versatility and adjustable brace
- Shooters wanting a complete compact pistol build with proven components and straightforward assembly
Barrel Construction and Nitride Finish
The 10.5-inch barrel is crafted 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 improved performance and longevity 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, from lightweight 55-grain bullets for high-velocity applications to heavier 77-grain match projectiles, supporting versatility across different ammunition types and shooting applications. This barrel length provides an optimal balance between compactness for maneuverability and effective ballistic performance for close to medium-range shooting.
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 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 valued by shooters who prefer classic AR-15 designs with time-tested reliability.
Bolt Carrier Group and Charging Handle
The included complete bolt carrier group is made from 9310 alloy steel, a material selected for its exceptional strength and fatigue resistance under the high-pressure cycling demands of the AR-15 platform. This material provides excellent wear resistance and fatigue life, ensuring dependable operation across thousands of rounds with consistent extraction and ejection performance. Paired with a Mil-Spec charging handle, the complete upper ensures smooth, dependable operation and broad compatibility with aftermarket upgrades and accessories. This combination of proven components delivers consistent cycling performance for immediate use.
Upper Receiver and Quad-Rail Handguard System
The mil-spec AR-15 upper receiver is constructed from 7075-T6 aluminum, offering exceptional strength-to-weight ratio and high-strength durability for reliable long-term performance. The carbine-length quad-rail handguard is made of durable aluminum with a sleek black finish, providing four-sided Picatinny rail coverage at 12, 3, 6, and 9 o'clock positions. This quad-rail design offers extensive accessory mounting options for lights, laser devices, vertical grips, and other Picatinny-compatible accessories at multiple positions, allowing shooters to configure the platform to match their specific needs. The quad-rail configuration provides maximum mounting flexibility for shooters who require extensive accessory options in a compact pistol platform, particularly beneficial for tactical and home defense applications where accessory placement is critical.
SBA3 Brace and Buffer System
The adjustable SB Tactical SBA3 brace provides stabilizing support and adjustable length-of-pull for improved control and shooter comfort in compact pistol platforms. The adjustable design allows shooters to customize length for enhanced stability and adaptability across different shooting positions and body types, representing proven SB Tactical stabilizing brace technology. The kit includes a mil-spec heavy-duty buffer tube kit providing robust construction for reliable operation and secure brace attachment, along with a standard carbine recoil spring for consistent cycling performance. This buffer system ensures the SBA3 brace functions properly throughout extended use while supporting reliable firearm operation.
Muzzle Device and Complete Build Package
The included AR-15 GI 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. This proven military-standard design delivers reliable flash suppression while maintaining a compact profile. 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 comprehensive build kit provides all essential parts for building a capable and reliable AR-15 pistol platform with traditional FSB configuration, adjustable SBA3 brace, and quality components.
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.
