Details
Davidson Defense Warden 16" 5.56 NATO Full Build Kit | 416R Stainless Match Grade "Fiddler" | Carbine-Gas | 15" Keymod Freefloat | Complete Components
The Davidson Defense Warden 16" 5.56 NATO full build kit provides a reliable foundation for building a high-performance firearm with Match Grade precision. Built around the 16-inch Match Grade "Fiddler" barrel with 1:8 twist rate, this kit features 416R stainless steel construction with stainless appearance for enhanced accuracy potential and corrosion resistance. The carbine-length gas system with 0.750 gas block ensures reliable cycling and accurate shooting performance. The kit includes a 15-inch freefloat Keymod handguard made from 6061-T6 aluminum, allowing for versatile accessory customization and barrel isolation. The AR-15 upper receiver is made of lightweight 7075-T6 aluminum, paired with a Mil-Spec charging handle and complete bolt carrier group made from durable 9310 and 8620 alloy steels. An adjustable carbine stock, stainless steel birdcage flash hider, heavy-duty buffer tube, and all necessary lower parts complete this robust package for gunsmiths crafting a reliable AR-15 rifle. This kit includes everything except the lower receiver.
Key Features
- 16" Match Grade "Fiddler" Barrel: 416R stainless steel with stainless appearance and 1:8 twist rate for precision accuracy
- 5.56 NATO Chambering: Reliable performance with 5.56x45mm NATO ammunition
- Carbine-Length Gas System: Proven design with 0.750 gas block for reliable cycling and consistent operation
- 7075-T6 Aluminum Upper Receiver: Lightweight, high-strength construction for reliable long-term performance
- Complete Bolt Carrier Group: Forged from 9310 and 8620 alloy steels for durability and consistent cycling
- Mil-Spec Charging Handle: Standard Mil-Spec design for reliable operation and broad compatibility
- 15" Keymod Freefloat Handguard: Lightweight 6061-T6 aluminum for versatile accessory mounting and improved accuracy
- Adjustable Carbine Stock: Length-of-pull adjustability on heavy-duty buffer tube for shooter comfort
- Stainless Steel Birdcage Flash Hider: Effective muzzle control and flash reduction
- 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 Match Grade build kit with quality components and precision barrel
- Precision Shooters who demand enhanced accuracy with 5.56 NATO ammunition and stainless steel barrel construction
- Competitive Shooters where consistent accuracy, reliable cycling, and versatile accessory mounting are essential
- Firearms Enthusiasts wanting a complete build kit with proven performance and straightforward assembly
Match Grade "Fiddler" Barrel Construction
The 16-inch Match Grade "Fiddler" barrel is machined from 416R stainless steel, a premium material choice specifically selected for precision shooting applications. 416R stainless steel offers excellent dimensional stability, superior bore consistency, and enhanced accuracy potential compared to standard chrome moly barrels. The stainless appearance provides a distinctive aesthetic while the material properties support tight tolerances and consistent performance across extended shooting sessions. The 1:8 twist rate is optimized for stabilizing a wide range of 5.56 NATO projectile weights, from lightweight 55-grain bullets for high-velocity applications to heavier 77-grain match projectiles for precision shooting, supporting versatility across training, competition, and recreational shooting applications.
Carbine-Length Gas System and Upper Receiver
The carbine-length gas system is a proven standard for 16-inch barrels, offering reliable cycling performance and consistent extraction and ejection across varied ammunition types. The 0.750 gas block ensures dependable gas system function and proper fitment for reliable operation. The 7075-T6 aluminum upper receiver offers exceptional strength-to-weight ratio, reducing overall upper weight while maintaining structural integrity for reliable long-term performance. The lightweight construction complements the overall build design while providing the durability necessary for demanding shooting applications.
Bolt Carrier Group and Charging Handle
The included complete bolt carrier group is forged from 9310 and 8620 alloy steels, materials selected for their exceptional strength and durability under the high-pressure cycling demands of the AR-15 platform. The 9310 steel is commonly used for bolt construction due to its superior fatigue resistance, while 8620 alloy steel provides excellent wear characteristics for the carrier body. This combination provides reliable 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.
Keymod Freefloat Handguard and Stock System
The 15-inch freefloat Keymod handguard is constructed from lightweight 6061-T6 aluminum, balancing structural rigidity with reduced weight for improved handling and balance. The freefloat design isolates the barrel from external contact, supporting enhanced accuracy potential by eliminating pressure points that can affect barrel harmonics during firing—particularly beneficial when paired with the Match Grade stainless steel barrel. The Keymod attachment system offers lightweight mounting points for lights, laser devices, vertical grips, bipods, and other accessories at multiple positions along the rail, allowing shooters to configure the platform to match their specific needs. The adjustable carbine stock provides length-of-pull adjustability for shooter comfort and versatility across different shooting positions and body types. Mounted on a heavy-duty buffer tube, the stock system ensures robust construction and reliable operation while maintaining compatibility with standard components.
Muzzle Device and Complete Build Package
The included stainless steel birdcage flash hider effectively reduces muzzle flash, improving visibility and target tracking during rapid-fire strings and low-light shooting scenarios. The stainless steel construction complements the stainless barrel material and provides excellent corrosion resistance for long-term durability. The kit includes a complete lower parts kit with all necessary components for lower receiver assembly, providing gunsmiths with everything needed to complete the build except the lower receiver itself. This comprehensive package delivers a complete solution for building a reliable, accurate AR-15 rifle platform.
Follow safe handling practices and manufacturer instructions for assembly and use. Ensure compliance with all applicable federal, state, and local laws. This kit is chambered in 5.56 NATO. This kit includes all necessary components to complete the build—lower receiver sold separately.