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—engineered for reliability and designed to pair with your preferred fire control group and grip. This kit includes all the essential small parts to assemble a functional lower receiver, minus the FCG and pistol grip for customization flexibility. Ideal for builders who want to hand-select their trigger or reuse existing components. Ships discreetly to all 50 states.

Key Specifications

• Compatibility: Aero Precision EPC-9 lowers only
• Includes: Takedown/pivot pins, bolt catch assembly, mag release, safety selector, detents/springs
• Excludes: Fire Control Group (FCG), pistol grip, buffer system
• Finish: Black oxide-coated steel components
• Packaging: Labeled compartments for easy organization

Feature Breakdown

This kit eliminates the guesswork for EPC-9 builders by providing precisely fitted components from Aero Precision’s OEM production line. Each part meets the same specifications as factory-installed hardware, ensuring consistent fitment and function. The exclusion of an FCG allows users to install their preferred trigger system—whether a competition single-stage or a duty-rated option.

Critical wear components like the takedown pins and mag release button use durable black oxide coatings to resist corrosion. The bolt catch roll pin and detent springs are pre-sized to EPC-9 specifications, reducing the risk of installation errors common with generic LPKs. All parts are bagged and labeled to streamline inventory before assembly.

For builders upgrading from a mil-spec AR-15 lower, note the EPC-9’s unique mag release geometry and enlarged takedown pin holes. This kit accounts for those differences with platform-specific hardware. The safety selector retains standard AR-15 compatibility for aftermarket lever options.

Aero Precision’s quality control ensures all springs maintain proper tension for positive detent engagement and reliable bolt hold-open function. The kit is particularly suited for builders pairing it with aftermarket ambi controls or specialized triggers that include their own detents and springs.

Compatibility Notes

• Designed exclusively for Aero Precision EPC-9 lower receivers
• Will not function with standard AR-15 lowers due to dimensional differences
• Safety selector compatible with most AR-15 aftermarket levers
• Mag release assembly requires EPC-9 specific upper receivers

Installation Overview

Assembling an EPC-9 lower with this kit requires basic armorers tools: a punch set, hammer, and vise block. The takedown pin detents use standard AR-15 installation methods, while the bolt catch roll pin benefits from proper chamfer alignment. Aero Precision recommends using their EPC-9 buffer system for reliable cycling.

Builders should note that the mag release spring tension is stronger than typical AR-15 kits to ensure positive engagement with 9mm magazines. The included pivot pin detent spring compensates for the EPC-9’s larger takedown hole diameter. No modifications or fitting should be required with in-spec receivers.

FAQ

Q: Does this work with Glock mag compatible lowers from other manufacturers?
A: No—this kit is specifically dimensioned for Aero Precision EPC-9 lowers only.

Q: Can I use an AR-15 fire control group with this kit?
A: Yes, but you’ll need to source the FCG separately as it’s not included.

Q: Are the detents and springs standard AR-15 size?
A: Most are, except the pivot pin detent spring which is longer for the EPC-9’s enlarged takedown pin holes.

Q: Is the bolt catch compatible with LRBHO uppers?
A: Yes, when paired with an EPC-9 upper that supports last-round bolt hold open.

Q: Does this include the buffer retainer pin?
A: No—EPC-9 lowers use a proprietary buffer system that doesn’t require a retainer.

Warranty & Shipping

Aero Precision backs this kit with their standard manufacturer warranty against defects. All orders ship within 1 business day via USPS or UPS with tracking provided. No signature required for delivery. Restricted states will be automatically filtered during checkout.

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