Details
Warden 10.5" 5.56 NATO AR-15 Pistol Build Kit, 10" KeyMod Handguard, 1:7, SBR Ready
The Warden is a compact 10.5-inch 5.56 NATO AR-15 pistol build kit designed for shooters who want a maneuverable platform without sacrificing reliability. This full build kit includes everything except the lower receiver, featuring a freefloat KeyMod handguard, carbine-length gas system, and a complete bolt carrier group made in the USA. The SBR Ready configuration ships without a brace, allowing you to select your own final setup based on your compliance requirements.
Key Features
- 10.5-inch 4150 CrMoV barrel with 1:7 twist rate and phosphate finish
- Freefloat KeyMod handguard for accessory mounting and consistent accuracy
- Carbine-length gas system for optimal cycling with compact barrel length
- Complete bolt carrier group in 9310 alloy steel with nitride finish
- SBR Ready configuration without brace
- Includes charging handle, gas block, A2 flash hider, and lower parts kit
- Lower receiver not included
Perfect For
- Shooters building a compact home defense or range rifle
- Pistol platform enthusiasts planning an SBR conversion
- Builders seeking a complete upper and lower parts assembly
- Users wanting a maneuverable 5.56 platform in tight spaces
SBR Ready Configuration
This build kit ships without a brace and is configured for shooters selecting their own final setup. The SBR Ready design allows you to choose between a stabilizing brace for pistol configuration or a stock for SBR compliance based on your jurisdiction and intended use. Configuration choices depend entirely on your legal requirements and personal preference.
Freefloat KeyMod Handguard System
The 10-inch freefloat KeyMod handguard is machined from 7075-T6 aluminum and mounted independently from the barrel, reducing harmonics and improving shot-to-shot consistency. KeyMod slots provide modular accessory compatibility without adding bulk. The handguard design maintains a slim profile while offering multiple mounting positions for lights, grips, and other tactical equipment.
Carbine-Length Gas System Performance
The carbine-length gas system is optimized for the 10.5-inch barrel length, ensuring reliable cycling with standard 5.56 NATO ammunition. The micro low-profile gas block minimizes sight line obstruction and reduces overall profile. This configuration balances reliability with the compact form factor that makes the Warden ideal for close-quarters shooting scenarios.
FAQ
What is the barrel twist rate and why does it matter?
The 1:7 twist rate stabilizes a wide range of 5.56 NATO bullet weights from 55 grains through 77 grains, making this barrel versatile for both standard and heavier ammunition. Faster twist rates like 1:7 provide better stability for longer, heavier projectiles while maintaining acceptable performance with lighter rounds.
Does this kit include a lower receiver?
No. This full build kit includes the upper assembly, bolt carrier group, charging handle, lower parts kit, buffer tube, buffer, recoil spring, end plate, and castle nut. You must source a serialized AR-15 lower receiver separately to complete the build.
What is the difference between this kit and a complete upper?
A complete upper includes only the upper receiver, barrel, handguard, bolt carrier group, and charging handle. This full build kit adds the lower parts kit, buffer tube, buffer, recoil spring, end plate, and castle nut, giving you everything needed to complete a lower receiver except the receiver itself.
Can I use this as a pistol or convert it to an SBR?
This SBR Ready configuration ships without a brace. You can attach a stabilizing brace for pistol use or a stock for SBR configuration, depending on your state and federal compliance requirements. Always verify current laws before finalizing your setup.
What ammunition works in this barrel?
The 1:7 twist rate handles all standard 5.56 NATO ammunition, including 55-grain, 62-grain, and heavier 77-grain loads. It also cycles .223 Remington ammunition reliably, though always verify compatibility with your specific ammunition.
Is the barrel phosphate or nitrided?
The barrel features a phosphate finish, which provides corrosion resistance and a matte appearance. The bolt carrier group uses a nitride finish for enhanced durability and wear resistance.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Ships without a brace. Do not attach a stock unless compliant with applicable laws. Lower receiver not included.
