Aero Precision  |  SKU: RSR-APAR538705M22

Aero Precision - M5 16" .308 Upper w/ R-ONE Handguard

Regular price $85695
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Description

The Aero Precision M5 Complete Upper Receiver with a 16" .308 CMV Barrel and R-ONE Handguard is a high-performance solution built for strength, modularity, and sleek ergonomics. Designed for AR-308 platforms, this upper features Aero's lightweight R-ONE handguard with the proprietary ATLAS mounting system — offering rock-solid stability and plenty of space for accessories without unnecessary bulk.

This upper is fully assembled and includes a mid-length gas system, low-profile gas block, and your choice of handguard length. It’s ready to mount on any DPMS High Profile (.210) AR-308 lower receiver. BCG and charging handle are sold separately and can be added under the Finish Your Build tab.

Includes:

  • M5 Assembled Upper Receiver
  • ATLAS R-ONE Handguard (user-selected length)
  • 16" .308 CMV Barrel – Mid-Length Gas System
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Fully assembled, ready for mounting

Upper Receiver Features:

  • 7075-T6 forged aluminum construction
  • M4 feedramps
  • .2795 takedown pin holes
  • Laser-engraved T-marks (anodized only)
  • DPMS High Profile (.210) tang
  • Includes forward assist and port door

ATLAS R-ONE Handguard Features:

  • Lightweight, slim profile handguard design
  • Durable ATLAS mounting system for strength and rigidity
  • Full-length top Picatinny rail
  • QD sling sockets at 3, 6, and 9 o’clock positions
  • Internal Diameter: 1.5"
  • Outer Diameter: 1.75"
  • Compatible with DPMS High Profile (.210) AR-308 uppers

Barrel Specifications:

  • Length: 16"
  • Twist Rate: 1:10
  • Material: 4150 CMV (Chrome Moly Vanadium)
  • Finish: QPQ corrosion-resistant treatment
  • Thread: 5/8 x 24
  • Gas System: Mid-Length
  • Gas Block Journal: .750
  • Weight: 36 oz
  • DPMS barrel extension
  • HP and MPI tested for quality assurance

Additional Details:

  • Made in the USA
  • Platform: M5 (AR-308)
  • Caliber: .308 Winchester
  • Series: R-ONE/S-ONE
  • Available Finishes: Black Anodized, Magpul FDE Cerakote, OD Green Anodized, Kodiak Brown Anodized

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Frequently Asked Questions

What makes the Aero Precision M5 16" .308 Upper suitable for tactical applications?

The Aero Precision M5 16" .308 Upper is designed with tactical applications in mind due to its robust construction and modularity. Made from 7075-T6 forged aluminum, it offers durability and strength, essential for high-stress environments. The inclusion of the ATLAS R-ONE Handguard provides a lightweight yet stable platform for mounting accessories, which is crucial for tactical adaptability. Its mid-length gas system and low-profile gas block ensure reliable cycling, making it a dependable choice for tactical scenarios where performance cannot be compromised.

How does the ATLAS R-ONE Handguard enhance the functionality of the Aero Precision M5 Upper?

The ATLAS R-ONE Handguard enhances functionality by providing a lightweight and ergonomic design that supports a variety of accessories. Its slim profile reduces overall bulk, allowing for easier handling and maneuverability. The full-length top Picatinny rail and QD sling sockets at multiple positions offer flexibility in accessory placement, which is vital for customizing your setup based on mission requirements. This design ensures that the handguard remains stable under pressure, maintaining accuracy and reliability.

Is the Aero Precision M5 16" .308 Upper compatible with all AR-308 lower receivers?

The Aero Precision M5 16" .308 Upper is specifically compatible with DPMS High Profile (.210) AR-308 lower receivers. This compatibility ensures a secure and precise fit, which is crucial for maintaining the integrity and performance of the firearm. It's important to verify the profile of your lower receiver before purchasing to ensure compatibility. This specificity helps in maintaining the high standards of performance and reliability expected from the Aero Precision M5 series.

What are the advantages of the mid-length gas system in the Aero Precision M5 Upper?

The mid-length gas system in the Aero Precision M5 Upper offers a balance between reliability and reduced recoil. Compared to carbine-length systems, the mid-length gas system provides a smoother recoil impulse, which can enhance shooting comfort and accuracy over prolonged use. This system also contributes to less wear and tear on the internal components, extending the lifespan of the firearm. For those interested in optimizing their setup for tactical or precision shooting, the mid-length system is a preferred choice.

How does the Aero Precision M5 Upper contribute to a modular firearm setup?

The Aero Precision M5 Upper is designed for modularity, allowing users to customize their firearm to meet specific needs. The ATLAS R-ONE Handguard's M-LOK compatibility enables the attachment of a wide range of accessories, from optics to grips and lights. This flexibility is crucial for adapting the firearm to different scenarios, whether for tactical operations or hunting. The ability to swap out components like the handguard or barrel further enhances this modularity, making it an ideal choice for users who require a versatile platform.

What additional components are needed to complete a build with the Aero Precision M5 Upper?

To complete a build with the Aero Precision M5 Upper, you will need a bolt carrier group (BCG) and a charging handle, which are sold separately. These components are essential for the operation of the firearm, as the BCG is responsible for cycling the action, and the charging handle is used to chamber a round. Additionally, ensure your lower receiver is compatible with the DPMS High Profile (.210) specification. This setup allows for a fully functional and reliable AR-308 platform.

What are the benefits of the 4150 CMV barrel material used in the Aero Precision M5 Upper?

The 4150 CMV (Chrome Moly Vanadium) barrel material provides excellent strength and durability for the Aero Precision M5 Upper. This material is known for its ability to withstand high temperatures and pressures, making it ideal for sustained firing sessions. The QPQ corrosion-resistant treatment further enhances the barrel's longevity by protecting it from rust and wear. These features ensure consistent performance and accuracy, which are critical for both tactical and recreational shooting.

How does the Aero Precision M5 Upper's design support accessory mounting?

The design of the Aero Precision M5 Upper supports accessory mounting through its full-length Picatinny rail and M-LOK compatible handguard. This setup allows for the secure attachment of optics, lights, and other tactical accessories, providing flexibility in customizing your firearm. The handguard's slim profile and lightweight construction ensure that adding accessories does not significantly impact the handling of the firearm. For more information on optimizing your setup, explore our Optics, Sights & Lasers collection.

What considerations should be made for maintaining the Aero Precision M5 Upper?

Maintaining the Aero Precision M5 Upper involves regular cleaning and inspection to ensure optimal performance. After each use, especially after firing, it's important to clean the barrel and gas system to prevent fouling, which can affect accuracy and reliability. Regularly check the tightness of mounted accessories and the condition of the handguard and gas block. Proper maintenance not only extends the life of the upper but also ensures it remains ready for use in any situation. For maintenance tools, consider browsing our Tools & Cleaning Equipment collection.

How does the Aero Precision M5 Upper's design contribute to its ergonomics?

The Aero Precision M5 Upper's design enhances ergonomics through its lightweight construction and thoughtful layout. The use of 7075-T6 forged aluminum reduces weight without sacrificing strength, making the firearm easier to handle over extended periods. The slim profile of the ATLAS R-ONE Handguard allows for a comfortable grip, improving control and maneuverability. These ergonomic features are particularly beneficial in scenarios requiring quick transitions and sustained shooting, such as tactical operations or competitive shooting.