• Post category:Lower Receivers
  • Post last modified:October 10, 2022
  • Reading time:13 mins read

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Building or buying of a new AR 9 rifle can be an exciting experience. But, making sure you select the best AR 9 lower receiver for your needs is critical to your success with the rifle. In this blog post, we’ll discuss some of the best AR 9 lower receivers on the market and why they might be a good fit for you. We’ll also provide some tips on how to choose the right one for your needs. So, if you’re in the market for a new AR 9 lower receiver, read on!

1# KE ARMS LLC KE-9 BILLET STRIPPED LOWER RECEIVER

KE ARMS LLC KE-9 BILLET STRIPPED LOWER RECEIVER

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Specification

Make: AR-15
Cartridge: 9 mm Luger
Finish: Black
Style: Stripped

If you’re planning to build a pistol-caliber carbine, the KE Arms KE-9 Billet Stripped Lower Receiver is the perfect foundation for your project. This receiver is designed specifically for 9mm PCCs, and it’s set up to accept all of today’s OEM and aftermarket Glock-style magazines. Each KE Arms KE-9 Lower Receiver is machined from 7075 billet aluminum at the company’s facility. The receivers are held to tight tolerances within military specifications, so they’re compatible with all mil-spec 9mm upper receivers and components. For enhanced durability, the receivers have a Class 2 hard-anodized finish in black. The KE Arms KE-9 Billet Stripped Lower Receiver comes with the magazine catch and ejector installed. With this high-quality receiver, you’ll be well on your way to building a top-performing pistol-caliber carbine.

Pros:
  • Precision machined from 7075 billet aluminum
  • Compatible with all mil-spec 9mm upper receivers and components
  • Class 2 hard-anodized finish in black
  • Magazine catch and ejector installed
Cons:
  • May not be compatible with all AR 9 upper receivers
  • May not be as durable as others

 

2# FOXTROT MIKE PRODUCTS AR-15 MIKE-9 BILLET LOWER RECEIVER STRIPPED

FOXTROT MIKE PRODUCTS AR-15 MIKE-9 BILLET LOWER RECEIVER

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Specification

Make: AR-15
Cartridge: 9 mm Luger
Finish: Black
Style: Stripped

Looking to build something unique? Why not a pistol-caliber carbine designed to take Glock pistol magazines? The Mike-9 Billet Lower Receiver is the perfect starting point for your PCC build. These stripped lowers are machined from 7075-T6 billet aluminum and feature an all-black finish. Compatible with all 9mm Glock-style magazines, they also come with last-round bolt hold-open. Plus, they’re made in the USA and covered under a lifetime warranty. So why wait? Start building your very own pistol-caliber carbine today!

Pros:
  • Compatible with all 9mm Glock-style magazines
  • Last-round bolt hold-open
  • Machined from 7075-T6 billet aluminum
  • All black finish
  • Made in the USA
  • Covered under a lifetime warranty
Cons:
  • May not be compatible with other AR-15 upper receivers
  • Some shooters complain about the quality

 

3# FOXTROT MIKE PRODUCTS AR-15 MIKE-9 COMPLETE BILLET RIFLE LOWER RECEIVER

FOXTROT MIKE PRODUCTS AR-15 COMPLETE BILLET LOWER RECEIVER

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Specification

Make: AR-15
Cartridge: 9 mm Luger
Finish: Black
Style: Assembled

Introducing the brand new AR-15 Mike-9 Complete Billet Rifle Lower Receiver from Foxtrot Mike Products! This amazing product comes standard with a Lower Parts Kit and Foxtrot Mike’s patented Last Round Bolt Hold Open feature, making it a must-have for any serious AR-15 enthusiast. The Mil-spec GI trigger group and S.S. .308 Carbine recoil spring make this lower receiver one of the most reliable and durable on the market today. The 6-position carbine buffer tube and 6.5 oz heavy buffer provide a smooth shooting experience, while the hard Milspec Type coating on the lower receiver protects it from wear and tear. Don’t miss your chance to get your hands on this incredible product!

Pros:
  • Made from billet aluminum
  • Superior strength and durability
  • One of the most reliable on the market today
  • Milspec Type coating protects from wear and tear
  • Smooth shooting experience
Cons:
  • May not be as strong as other designs
  • The buffer tube spring may be a little noisy

 

4# AERO PRECISION EPC 9 LOWER RECEIVER

AERO PRECISION EPC 9 LOWER RECEIVER

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Specification

MAKE : AERO
CARTRIDGE: 40 S&W, 9 mm Luger
FINISH: Black, Flat Dark Earth

Looking for a sleek and stylish lower receiver for your next pistol caliber build? Look no further than the Aero Precision EPC 9 Lower Receiver. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and boasts several functional features that are sure to simplify the assembly process for the at-home builder. The EPC-9 Lower Receiver features a threaded bolt catch pin for easy installation, an integrated enlarged trigger guard to remove any risk of breaking off trigger guard tabs, and a flared magazine well for quick and easy reloads. Plus, all the proprietary components come pre-installed from the factory! With a standard AR15 takedown/pivot pin lug pattern, the EPC-9 Lower Receiver is a great option for anyone looking for quality and function.

Pros:
  • Sleek and stylish design
  • Easy installation
  • Threaded bolt catch pin
  • Integrated enlarged trigger guard
  • Flared magazine well
Cons:
  • Some users have complained about poor fit and finish
  • There have been reports of receivers arriving damaged or with missing components

 

5# KE ARMS LLC KP-9 COMPLETE LOWER RECEIVER

KE ARMS LLC KP-9 COMPLETE LOWER RECEIVERS

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Specification

Cartridge: 9 mm Luger, 9 mm Luger
Finish: Black
Style: Complete

The KE Arms KP-9 Complete Lower Receiver is a monolithic polymer 9 mm Glock Mag Compatible AR15 style receiver made from an injection molded 30% glass-filled nylon incorporating the buttstock, buffer tube, pistol grip, and trigger into the receiver design as integral components. This manufacturing process offers several advantages, such as lighter weight compared to similarly configured receivers, and lower cost to similarly configured receivers.  The KE Arms KP-9 Complete Lower Receiver is compatible with the most common 9 mm AR15 uppers and lower parts kits and is compatible with Glock 17 and 19 Magazines. The KP-9 also features a flared mag well to make reloads under stress easier to perform, as well as an A1 Length 13” Length of Pull (LOP) Buttstock to fit a wide range of shooters. The KP-9 is also equipped with MLOK Slots at the rear of the stock for sling attachment points, or run a strap through it for simple sling attachment.

Pros:
  • Made from injection molded 30% glass-filled nylon
  • The buttstock, buffer tube, pistol grip, and trigger are all integral components of the receiver design
  • Lighter weight compared to similarly configured receivers
  • Lower cost to similarly configured receivers
  • Glock 17 and 19 Magazines compatible
  • Flared mag well makes reloads under stress easier to perform
  • MLOK Slots at the rear of the stock for sling attachment points
Cons:
  • May not be compatible with all AR 9 uppers
  • Some users may find it too short

 

6# Ghost Firearms Vital Upper ReceiverGhost Firearms Vital Upper Receiver

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Specification

Manufacturer: Ghost Firearms
Color: Black
Finish: Matte
Cartridge: 9mm Luger
Barrel Length: 7.5 in
Barrel Profile: 4150 Light HBAR
Gas System Length: Pistol Length
Barrel Twist Rate: 1-10
Handguard Length: 7 in
Gun Rail: M-LOK
Included Accessories: A2 Birdcage Flash Hider

Need a personalized touch for your AR-15? The Ghost Firearms Vital Upper Receiver, Pistol Lower Parts Kit, 9mm 9×19 Para, 7.5in, Pistol, Light HBAR Barrel, 1-10 Twist, 7in M-LOK Freefloat Handguard is perfect for anyone looking to upgrade their shooting experience. These high-quality lower parts from Ghost Firearms are made from tough and durable materials, so you can expect a long lifespan of use. With a variety of customization options available, you can easily create the perfect rifle for your needs.

Pros:
  • The complete lower parts kit
  • Made from durable materials
  • Easy to assemble
  • Great for upgrading your shooting experience
  • Mil-Spec hard coat anodized
Cons:
  • May be too tough for some shooters
  • Limited customization options
  • May not fit all AR-15 receivers

 

FAQ

What is the best AR 9 lower receiver?

There is no definitive answer to this question since there are a variety of AR 9 lower receivers on the market, and each user’s needs may be different. Each receiver has its own pros and cons, so it’s important to do your research before making a purchase.

Are AR9 and AR-15 lower parts kits the same?

AR9 and AR-15 lower parts kits are not the same. AR9 lower parts kits typically include a narrower range of components – such as just the fire control group and pistol grip – while AR-15 lower parts kits include a wider range of components, such as the fire control group, pistol grip, buffer tube assembly, and stock. AR9 pistols are built on AR-15 lower receivers, so AR9 lower parts kits will work with AR-15 upper receivers and vice versa.

What are the differences between AR 9 lower receivers?

There are a few key differences between AR 9 lower receivers. The most obvious difference is that some receivers are designed to work specifically with AR-9 rifles, while others can be used with a variety of rifle platforms. Additionally, some receivers are made from forged aluminum while others are made from polymer. There are also differences in terms of features and aesthetics. It’s important to consider all of these factors when choosing a lower receiver for your AR-9 rifle.

What should I look for when buying an AR 9 lower receiver?

When purchasing an AR 9 lower receiver, there are several things you should keep in mind:

– Compatibility: Make sure that the receiver you choose is compatible with your AR-9 rifle platform.

– Material: Receivers come in both polymer and aluminum varieties, so decide which material you prefer.

– Features: Some receivers come with additional features like ambidextrous controls or flared mag wells. Decide what features are important to you and shop accordingly.

– Budget: AR 9 lower receivers can range in price from around $100 to over $200. Decide how much you’re willing to spend before beginning your search.

How do I install an AR 9 lower receiver?

Installing an AR 9 lower receiver is generally a simple process, but it’s always best to consult your AR-9 rifle’s owner’s manual for specific instructions. In most cases, you’ll need to remove the upper receiver from the AR-9 rifle before installing the new lower receiver. Once the old receiver is removed, simply align the new receiver in its place and use the provided mounting screws to secure it in place.

Do I need a special AR 9 lower receiver?

No, you do not need a special AR 9 lower receiver. Any standard AR-9 lower receiver will work with your AR-9 rifle. However, if you’re looking for a receiver with specific features or compatibility, you may need to purchase a specialized receiver.

Conclusion

AR 9 Lower Receiver is one of the most important AR-15 parts. It is the part that holds the rifle together. There are many different types and models of AR 9 Lower Receivers on the market today. Picking the right one can be difficult, but our buyer’s guide will help make it easier for you. In this guide, we have reviewed some of the best AR 9 Lower Receivers on the market and given you a few tips on how to pick the right one for your needs. We hope you find this information helpful!

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