Aero Precision EPC Lower Parts Kit (No FCG/Pistol Grip)

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Aero Precision EPC Lower Parts Kit (No FCG/Pistol Grip)

Complete your EPC build with Aero Precision’s stripped-down lower parts kit. This kit includes all the small components needed to assemble your lower receiver, minus the fire control group and pistol grip—ideal for builders who want to customize those parts separately. Machined to tight tolerances for reliable function, it’s a no-nonsense solution for AR-9 platforms. Ships fast and discreet to all 50 states.

Key Specifications

• Compatibility: Designed for Aero Precision EPC-9 lowers
• Includes: Pivot/takedown pins, bolt catch assembly, mag catch assembly, trigger guard, selector detents, and springs
• Excludes: Fire control group (FCG) and pistol grip
• Material: Steel and aluminum components with phosphate or anodized finishes
• Weight: Approximately 4 oz (component-only weight)

Feature Breakdown

This kit eliminates guesswork by providing all the small, easy-to-lose parts required for a functional lower. Pivot and takedown pins are hardened steel for durability, while the bolt catch and mag release assemblies are pre-configured for drop-in installation. No filler parts—every component serves a purpose in the EPC-9’s direct-blowback system.

Aero Precision’s machining ensures consistent pin diameters and spring tensions, reducing the risk of misalignment during assembly. The trigger guard is pre-milled to accommodate gloved hands or larger triggers. Detents and springs are bagged separately to prevent mixing during unboxing.

By excluding the FCG and pistol grip, the kit caters to builders who prefer aftermarket triggers (e.g., forced-reset designs) or ergonomic grips. This approach avoids redundant purchases for those upgrading from a standard mil-spec setup.

Finishes match Aero Precision’s OEM coatings, resisting corrosion from sweat or solvents. The bolt catch roll pin is chamfered for easier installation compared to unbranded kits.

Compatibility Notes

Designed specifically for Aero Precision EPC-9 lowers. Fits all generations of EPC receivers. May require fitting with non-Aero Precision upper receivers due to variance in tolerances across manufacturers. Not compatible with Colt-style AR-9 lowers or .223/5.56 platforms.

Installation Overview

Basic armorers tools required: roll pin punches, hammer, and vise block. Install the trigger guard first, followed by the bolt catch assembly—the roll pin benefits from light lubrication. Mag catch and pivot pins can be installed without specialized jigs. Springs and detents are under tension; use a clevis pin or starter punch to secure them during assembly.

FAQ

Q: Does this work with aftermarket FCGs like forced-reset triggers?
A: Yes, the kit excludes the FCG to allow compatibility with aftermarket triggers. Verify your chosen FCG’s fit with EPC-9 lowers.

Q: Are detents and springs included for the selector switch?
A: Yes, selector detents and springs are included, though the kit doesn’t include the actual selector lever.

Q: Will this fit a Glock mag-compatible lower from another brand?
A: No—this kit is machined specifically for Aero Precision’s EPC-9 lowers. Other brands may have different pin sizes or geometries.

Q: Is the bolt catch pre-assembled?
A: The bolt catch components (lever, spring, roll pin) are included but require assembly during installation.

Q: What’s the finish on the pins?
A: Pins are phosphate-coated steel; other components use black anodizing to match OEM Aero Precision parts.

Warranty & Shipping

Aero Precision backs this kit with a limited lifetime warranty against manufacturing defects. GlockSwitchPro ships within 1 business day via USPS or UPS with discreet packaging (no external branding). All shipments comply with federal and state regulations—no signatures required unless specified by local law.

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