Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit

Aegis 7.5-Inch Pistol Upper Build Kit - Compact 5.56 NATO Performance

This pistol-length upper combines a 416R stainless steel barrel with a free-floating M-LOK handguard, delivering reliable performance in a compact package. The 7.5-inch barrel length makes this configuration ideal for short-range accuracy and maneuverability, while the 1:7 twist rate stabilizes a wide range of 5.56 NATO ammunition weights. The stainless steel construction resists corrosion, and the anodized aluminum upper receiver provides durability without excess weight.

Key Features

• 416R stainless steel barrel with government profile and 1:7 twist rate
• 7075-T6 aluminum upper receiver with M4 feed ramps
• Free-floating 6061-T6 aluminum M-LOK handguard in black
• Pistol-length gas system with Recoil Technologies low-profile gas block
• GI birdcage flash hider with 1/2x28 thread pitch
• Overall weight 42.4 ounces
• Designed for 5.56x45mm NATO ammunition

Perfect For

• Shooters building compact pistol-length AR-15 platforms
• Users prioritizing maneuverability in confined spaces
• Builders seeking stainless steel corrosion resistance
• Shooters wanting modular M-LOK accessory mounting

Compact Pistol-Length Design

This 7.5-inch configuration delivers the balance between velocity and handling that defines modern pistol-length uppers. The short barrel length reduces overall system length while maintaining reliable cycling through the pistol-gas system. The free-floating handguard isolates barrel harmonics from external pressure, which improves shot-to-shot consistency compared to fixed handguards. The low-profile gas block keeps the top rail clear for optic mounting without adding bulk.

Stainless Steel Durability

The 416R barrel material resists corrosion significantly longer than standard 4150 steel, making this upper suitable for humid environments or extended storage. The anodized aluminum upper receiver provides a protective oxide layer that guards against wear and oxidation. This material combination extends service life without requiring frequent maintenance or special storage conditions.

M-LOK Accessory Ecosystem

The M-LOK handguard provides a modern mounting standard that accepts a wide range of tactical accessories. M-LOK slots distribute across the handguard, allowing you to position lights, vertical grips, or sling attachment points exactly where you need them. The 6061-T6 aluminum construction keeps weight minimal while maintaining rigidity.

BCG and charging handle are not included. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.