Aero Precision Lower Bolt Catch Pin Stainless for AR-15/M4E1

Aero Precision Lower Bolt Catch Pin Features The Aero Precision Lower Bolt Catch Pin is crafted with exacting attention to detail ensuring seamless compatibility with both AR-15 and Aero s proprietary M4E1 lower receivers. Unlike standard roll pins this stainless steel version offers a more secure and durable installation. Whether you re assembling a new rifle or replacing a worn component this pin provides the reliability needed for long-term performance in harsh conditions. This pin is a direct-fit solution that simplifies bolt catch installation especially when paired with Aero's threaded pin interface on M4E1 lowers. Its high-grade stainless steel construction resists rust wear and impact making it an excellent choice for rifles exposed to adverse environments. Aero's commitment to quality is evident in the precise tolerances and smooth finish that reduce the risk of gouging or galling during installation. Whether for professional builds duty-grade rifles or enthusiast-level customizations this bolt catch pin delivers enhanced consistency over standard roll pins. Its minimalist design supports clean aesthetics while its robust construction ensures the mechanical integrity of the bolt catch system remains uncompromised across thousands of cycles. Aero Precision Lower Bolt Catch Pin Specifications Manufacturer: Aero Precision Model: Lower Bolt Catch Pin Platform Compatibility: AR-15 / M4E1 Application: Bolt Catch Installation Material: Stainless Steel Finish: Natural (Polished Stainless) Construction: Precision-Machined Fitment: Direct Fit (Standard Mil-Spec & M4E1 Threaded Interface) Installation: Compatible with Standard Tools or Aero M4E1 Design Corrosion Resistance: High Use Case: Rifle Builds Repairs Upgrades