What is included in an Aero lower parts kit?

A typical Aero LPK includes takedown pins, selector, buffer retainer, mag catch, springs, detents, and grip. Some kits include the fire control group and a Magpul MOE grip.

What is the difference between Aero LPK with FCG and no FCG?

Kits with FCG include the trigger, hammer, and related parts. No-FCG kits are meant for users who prefer to install a custom or aftermarket trigger group.

Are Aero LPKs compatible with other lowers?

Yes, Aero LPKs are mil-spec and compatible with most AR-15 and AR-10 lowers, including those from other manufacturers.

Does the kit come with a pistol grip?

Many Aero kits include a Magpul MOE grip in black or FDE. Check the product listing to confirm if the grip is included.

Are Aero Precision lower parts kits made in the USA?

Yes, all Aero lower parts kits are made in the USA and built to meet strict quality standards.

Aero Lower Parts Kits – AR-15 & M5 AR-10 LPK Options

**Aero M5 AR-10 Lower Parts Kit Moe Fde** $116.81

**Aero Ar15 Lower Parts Kit Moe Fde** $113.41

**Aero Ar15 Lower Parts Kit Moe Blk** $113.41

**Aero M5 AR-10 Lower Parts Kit Moe Blk** $116.81

**Aero M5 AR-10 Lower Parts Kit No Fcg** $59.76

**Aero Ar15 Lower Parts Kit No Fcg** $47.04

Aero Precision Lower Parts Kits – AR-15 & M5 AR-10 LPK Options

When building your AR from the ground up, every detail matters. That’s why experienced builders trust the Aero Precision Lower Parts Kit (LPK) for quality, consistency, and reliability. Whether you’re completing a stripped lower, refreshing internals, or customizing a rifle to your exact specs, Aero’s USA-made lower parts kits deliver a mil-spec fit you can count on.

Why Choose an Aero Lower Parts Kit?

Aero Precision has earned its place as a top name in AR-15 and AR-10 builds. Their lower parts kits are engineered to exacting tolerances, ensuring seamless compatibility with both Aero and other mil-spec lowers.

🔧 Features:

Mil-Spec Fit: Guaranteed compatibility with most AR-15 and AR-10 lowers
USA-Made Components: Built with precision and quality materials
Durable & Reliable: Designed for high round counts and rugged use
Custom-Ready Options: Includes kits with or without fire control group (FCG)
Magpul Grips Available: Choose MOE grips in black or FDE to match your build
Perfect for Builders: Ideal for first-time builds or upgrading worn parts

Aero LPK Options for AR-15 and AR-10

Choose the configuration that fits your build goals:


Kit Name	Platform	Grip Type	Includes FCG	Best For
Aero AR-15 LPK – MOE FDE	AR-15	Magpul MOE FDE	Yes	First-time builders, full kits
Aero AR-15 LPK – MOE Black	AR-15	Magpul MOE BLK	Yes	Matching black builds
Aero AR-15 LPK – No FCG	AR-15	No grip	No	Custom triggers or FCG upgrades
Aero M5 AR-10 LPK – MOE Black	AR-10 (M5)	Magpul MOE BLK	Yes	Larger caliber builds
Aero M5 AR-10 LPK – No FCG	AR-10 (M5)	No grip	No	High-end or custom trigger builds

Each kit includes all necessary springs, pins, detents, and hardware to complete your lower.

What's Included in a Standard Aero LPK?

Takedown and pivot pins
Bolt catch and buffer retainer
Magazine catch assembly
Selector switch
Trigger and hammer pins
Springs, detents, and small hardware
Magpul MOE grip (if included)
All parts coated and tested for durability

🔧 Note: Most Aero kits do not include a trigger guard to allow for compatibility with billet lowers or enhanced options.

Trusted by Builders & Gunsmiths

Aero’s lower parts kits are trusted across the shooting community—perfect for both budget-conscious builders and those building match-grade rifles. If you want parts that fit right the first time, cycle smoothly, and last for thousands of rounds, these kits deliver.

Shop Aero Precision LPKs at Mounts Plus

Mounts Plus offers real-time inventory, fast shipping, and hands-on support. We’re here to make sure your rifle build is smooth from start to finish.

✅ Authorized Aero Precision dealer
✅ Mil-Spec parts in stock and ready to ship
✅ Great pricing on complete and no-FCG kits
✅ Excellent support from AR build experts

🔗 Related Aero Precision Parts & AR Build Components

Complete your rifle build with these trusted Aero Precision parts and AR accessories:

🧱 Aero Precision AR-15 Uppers – Pair your lower kit with mil-spec matched uppers for seamless performance.
🔩 Aero Precision Buffer Kits – Smooth cycling and recoil control for AR-15 & AR-10 platforms.
🧷 AR-15 Build Kits & Accessories – Tools, grips, trigger guards, and essentials for your lower assembly.

Build your AR platform with confidence using parts designed to fit—and function—flawlessly with Aero Precision LPKs.

Frequently Asked Questions (FAQ)

Q: What’s the difference between an LPK with FCG and one without?
A: Kits without FCG (Fire Control Group) exclude the trigger, hammer, and associated springs. They're ideal for builds using aftermarket triggers like Geissele or CMC.

Q: Are Aero Precision LPKs compatible with other lower receivers?
A: Yes, Aero’s kits follow mil-spec standards and fit most AR-15 and AR-10 lowers from other manufacturers.

Q: Does the kit include a pistol grip?
A: Some versions include a Magpul MOE grip (in black or FDE), while others do not—check the product title to confirm.

Q: Do I need any special tools to install an Aero LPK?
A: Basic AR tools like a punch set, small hammer, and bench block make installation easier, but most builders can install the kit with minimal tools.

Q: Are Aero LPKs made in the USA?
A: Yes, Aero Precision manufactures all of their parts in the United States using high-quality materials.