Maxim Defense PDX Complete Upper 300 Blackout FDE or Black

If you’re looking for the ultimate compact upper assembly for your AR-15, the Maxim Defense PDX Complete Upper in 300 Blackout is your perfect solution. Designed for superior performance in tight spaces, this complete upper features high-end materials and an advanced design that ensures reliability, durability, and versatility. Whether you’re building a 300 BLK pistol or an SBR, the Maxim Defense PDX Complete Upper delivers unmatched quality and performance. Available in Flat Dark Earth (FDE) and Black, this upper assembly is built for tactical precision and power.

Key Features of Maxim Defense PDX Complete Upper

• Caliber: 300 AAC Blackout
• Barrel Length: 5.5 inches
• Handguard: M-LOK compatible with HK-height Picatinny rail
• Material Composition: Aerospace-grade 6Al-4V Titanium, 17-4 Stainless Steel, 7075 and 6061 Aluminum
• Threaded Muzzle: 5/8×24 thread pitch
• Muzzle Device: Maxim Defense HATEBRAKE muzzle booster pre-installed
• Bolt Carrier Group (BCG): Maxim Bolt Carrier Group included
• Charging Handle: Comes complete with Maxim charging handle
• Color Options: Flat Dark Earth (FDE) and Black
• Perfect for: AR-15 pistol or short-barreled rifle (SBR) builds

Why Choose the Maxim Defense PDX Complete Upper?

1. Compact Powerhouse for Tactical Applications

The Maxim Defense PDX Complete Upper is designed for maximum efficiency in compact setups. With a 5.5-inch 300 Blackout barrel, this upper is ideal for close-quarters engagements and maneuverability without sacrificing power or accuracy.

2. Superior Materials for Unmatched Durability

Constructed with 6Al-4V Titanium, 17-4 Stainless Steel, 7075, and 6061 Aluminum, this upper assembly is built to handle rugged environments. These military-grade materials ensure long-lasting durability and performance in the most demanding conditions.

3. Maxim Defense HATEBRAKE Muzzle Booster

The Maxim Defense PDX Complete Upper comes equipped with the Maxim HATEBRAKE muzzle device, enhancing performance by redirecting expanding gases to reduce recoil and muzzle flash, allowing for superior control and accuracy.

4. M-LOK Handguard for Tactical Customization

The M-LOK handguard with an HK-height Picatinny rail allows you to mount various sights, grips, and other accessories for enhanced performance. Whether you prefer iron sights or optics, this setup provides endless customization possibilities.

5. Drop-In Ready for Seamless Integration

This complete upper assembly is designed for easy installation onto your AR-15 lower receiver. With an included Maxim Bolt Carrier Group and charging handle, the Maxim Defense PDX Complete Upper offers a hassle-free assembly process.

Performance and Application

Designed for superior handling in close-quarters combat (CQC), the Maxim Defense PDX Complete Upper in 300 Blackout delivers a perfect blend of power and compactness. The 300 AAC Blackout caliber ensures optimal performance with subsonic or supersonic ammunition, making it an excellent choice for tactical applications, home defense, and suppressed shooting.

Available in Two Tactical Finishes

• Flat Dark Earth (FDE): Ideal for desert and woodland environments, offering a professional tactical aesthetic.
• Black: A sleek, all-business finish for a stealthy and aggressive look.

Installation and Compatibility

The Maxim Defense PDX Complete Upper is compatible with any Mil-Spec AR-15 lower receiver. With a 5.5-inch barrel and M-LOK handguard, it provides an ergonomic and lightweight solution for those looking to build a highly maneuverable and effective AR pistol or SBR.

Who is This Upper For?

• Tactical operators needing a compact and reliable firearm for CQC.
• Home defenders looking for a powerful yet manageable AR build.
• Suppressor users seeking an upper optimized for suppressed performance.
• Firearm enthusiasts building a premium 300 Blackout pistol or SBR.

Package Includes:

• Maxim Defense PDX Complete Upper (5.5″ barrel, 300 Blackout)
• Maxim Bolt Carrier Group (BCG)
• Maxim Charging Handle
• M-LOK Handguard with HK-height Picatinny Rail
• Maxim HATEBRAKE Muzzle Booster

Final Thoughts on the Maxim Defense PDX Complete Upper

The Maxim Defense PDX Complete Upper in 300 Blackout is the ultimate choice for anyone looking to build a high-performance AR pistol or SBR. With its compact design, military-grade materials, and premium components, this upper assembly provides an unparalleled shooting experience. Whether for tactical missions, home defense, or range shooting, the Maxim Defense PDX Complete Upper stands out as a top-tier upgrade for your AR-15 platform.