Aero Solus Short Action .540

The Aero Precision Solus Short Action .540 Bolt Face is a precision-engineered bolts carrier assembly built for shooters who demand tight tolerances and repeatable performance in short-action rifle builds. Manufactured from 416 stainless steel with a durable nitride finish, this Aero Precision component delivers the corrosion resistance and dimensional accuracy demanded in both precision rifle applications and tactical configurations.

The .540 bolt face specification accommodates short-action cartridges and is compatible with Aero Precision's modular Solus platform, allowing builders to configure systems across multiple caliber options while maintaining component interchangeability. The 416 stainless steel construction provides superior hardness compared to standard 9310 steel, extending component longevity under sustained firing regimens. The nitride finish resists corrosion from field environments—critical for operators working in salt air, high-humidity regions, or extended outdoor deployments—while maintaining a low-gloss finish that doesn't compromise operational discretion.

This component is suited for precision rifle builders, gunsmithing operations, and shooters who prioritize repeatability and component quality. Whether building a long-range match rifle, a precision tactical platform, or a durable hunting rifle, the Solus Short Action assembly integrates seamlessly into Aero Precision upper and lower receiver systems. The modular design reduces lead times for custom builds and allows shooters to reconfigure systems without replacing the entire carrier assembly.

Aero Precision's Solus platform has established itself as the standard for modular short-action rifle development, bridging the gap between factory consistency and custom-build flexibility. The .540 bolt face positioning within this ecosystem ensures compatibility with Solus-pattern uppers and receivers while maintaining Mil-Spec tolerances. Weighing 3.19 lbs, the assembly contributes minimal mass to the carrier system, important for shooters managing recoil impulse in precision applications.