Details
Davidson Defense Warden 11.5" AR-15 Upper Build Kit delivers precision performance and versatile ammunition compatibility for .223 Wylde platforms. Featuring 11.5-inch barrel chambered in .223 Wylde with 1:8 twist rate for variety of ammunition types, 4140 CrMoV steel barrel construction with government profile providing durability, nitride finish ensuring superior corrosion resistance and extended barrel life, carbine-length gas system for optimal gas flow, 7075-T6 forged aluminum upper receiver with M4 feed ramps and anodized finish for smooth cycling and superior strength, 10-inch Trinity Force KMX Keymod handguard constructed from 6061-T6 aluminum with hard coat anodized finish in black, 0.750 micro low-profile gas block for efficient gas regulation, 1/2x28 TPI threading with GI A2 birdcage flash hider—perfect for AR-15 pistol builds, tactical applications, range shooting, and builders seeking robust upper kits compatible with range of applications and conditions.
Key Features:
- 11.5" Barrel: Carbine-gas system with 1:8 twist rate
- .223 Wylde Chamber: Dual ammunition compatibility for .223 and 5.56 NATO
- 4140 CrMoV Steel: Premium barrel material for durability
- Government Profile Barrel: Proven military specification design
- Nitride Finish: Superior corrosion resistance and extended barrel life
- Carbine-Length Gas System: Optimal cycling for 11.5" barrel configuration
- 1:8 Twist Rate: Supports variety of ammunition types and bullet weights
- 7075-T6 Upper Receiver: Forged aluminum with anodized finish
- M4 Feed Ramps: Enhanced feeding reliability for smooth cycling
- 10-Inch Trinity Force KMX Keymod Handguard: Enhanced ergonomics and accessory mounting
- 6061-T6 Aluminum Rail: Hard coat anodized finish in black
- 0.750 Micro Low-Profile Gas Block: Optimal gas flow with clean aesthetic
- GI A2 Birdcage Flash Hider: Included with 1/2x28 TPI threading
Perfect For:
- AR-15 pistol builds with .223 Wylde versatility
- Tactical applications and close-quarters shooting
- Range shooting and training exercises
- Builders seeking robust AR-15 upper kits
- Platforms prioritizing precision and reliability
- Applications requiring .223/5.56 ammunition compatibility
.223 Wylde Chamber with Premium 4140 CrMoV Barrel: Featuring 11.5-inch barrel chambered in .223 Wylde, this build kit provides accuracy benefits of .223 match chambers while maintaining full compatibility with 5.56 NATO ammunition. The .223 Wylde chamber specification supports variety of ammunition types, offering shooters flexibility to use both .223 Remington and 5.56 NATO rounds reliably without sacrificing precision. Crafted from 4140 CrMoV steel with 1:8 twist rate, the barrel provides excellent stabilization across wide range of bullet weights from 55 to 77 grains, making it ideal for various shooting applications from tactical use to range training. The government profile barrel balances weight distribution with durability for long-term reliability. The nitride finish enhances barrel life through superior corrosion resistance and reduced friction compared to standard finishes, while also improving overall barrel hardness for extended service life.
Premium Upper Receiver with Trinity Force KMX Keymod Handguard: The upper receiver, made from 7075-T6 aluminum—the same premium material specification used in military M4/M16 upper receivers—provides superior strength compared to 6061 aluminum alternatives. The upper is anodized for enhanced protection against corrosion and wear while providing consistent, attractive appearance. The upper receiver features M4 feed ramps for smooth cycling, which are extended feed ramp cuts that create smoother transition from magazine to chamber, reducing potential for feeding malfunctions and ensuring consistent performance under demanding conditions. The Trinity Force KMX Keymod handguard, 10 inches in length, is constructed from 6061-T6 aluminum with hard coat anodized finish in black for maximum durability and corrosion resistance. The Keymod attachment system provides secure mounting points for tactical accessories including lights, laser sights, vertical grips, and hand stops, offering versatile customization options for enhanced ergonomics and functionality. The free float design eliminates barrel contact, improving accuracy potential by preventing pressure points that can affect barrel harmonics during firing.
Optimized Gas System with Micro Low-Profile Gas Block: The 0.750 micro low-profile gas block ensures optimal gas flow in carbine-length gas system, specifically optimized for the 11.5-inch barrel length to provide correct dwell time for reliable cycling with standard ammunition loads. This properly matched gas system ensures consistent performance whether using .223 Remington or 5.56 NATO ammunition, reducing wear on components while maintaining reliable operation. The micro low-profile design provides efficient gas regulation while maintaining clean, modern aesthetic that fits neatly under the handguard. The 0.750-inch gas block diameter represents standard sizing for AR-15 platforms, ensuring compatibility with replacement gas blocks and ease of upgrades if desired.
Threaded Muzzle with Flash Hider: The standard AR-15 1/2x28 TPI GI birdcage flash hider provides immediate capability. The standard 1/2x28 TPI threading provides compatibility with the vast majority of AR-15 muzzle devices, allowing easy upgrades to compensators, brakes, or suppressors as desired. The birdcage flash hider reduces flash signature for improved shooting experience in low-light conditions while providing proven reliability. The Davidson Defense Warden 11.5" AR-15 Upper Build Kit is designed for versatile platform builds—combining .223 Wylde chamber versatility, premium 4140 CrMoV barrel with government profile and nitride finish, Trinity Force KMX Keymod handguard with hard coat anodized finish, 7075-T6 upper receiver with M4 feed ramps for smooth cycling, and optimized carbine gas system with micro low-profile gas block in comprehensive package that delivers precision performance, dual ammunition compatibility, robust construction, and proven reliability ideal for AR-15 pistol builds, tactical applications, range shooting, and platforms requiring .223 Wylde accuracy with 5.56 NATO compatibility.
