• Post category:Lower Receivers
  • Post last modified:January 28, 2023
  • Reading time:25 mins read

Affiliate Disclosure: AmmoCave.com sometimes gets paid for listings, through sponsors or affiliate programs like Lucky Gunner, Optics Planet, Brownells, Cabelas, Academy Sports & Outdoors, Rainier Arms, Palmetto State Armory, Sportsman’s Guide, Ammo.com, Ammo Man, Primary Arms, MidWayUsa, Amazon, eBay, etс. Clicking a link helps keep AmmoCave.com free, at no extra cost to you!

Authors: Each article is verified by AmmoCave's expert team. Professional hunters, firearm trainers, gunsmiths, and gun experts write the articles. AmmoCave Team independently researches, tests, reviews, and uses recommendations from our community of gun owners. We may earn commissions from shopping links.

Note: The views and opinions expressed in this article are those of the authors and do not necessarily reflect any agency's official policy or position. The articles are for informational purposes only, share your opinions about Best Lower Receiver For The Money 2023 in the comments and join the discussions. Let's share 💬 our ammo & gun experiences together!

What Is AR15 Lower Receiver? 🔔

It is the part of an AR-15 Rifle that houses all of its major internal components such as the magazine well, fire control group (trigger), stock, grip, buffer tube, etc. It provides a frame or chassis for certain parts to mount onto and is typically made out of aluminium alloy or polymer. It also contains many other small precision parts like pins and springs that help keep it functioning properly.

Our Top Pick
JL Billet AR 15 Billet Upper Receiver
The JL Billet AR 15 Billet Upper Receiver is expertly-crafted from 7075-T6 aerospace grade aluminum using the latest 5-axis machining centers. Its lightweight design and eye catching weight reduction cuts set it apart from other upper receivers on the market, ensuring that you have a piece of quality equipment to add to your collection.
Buy Now On OpticsPlanet
If you click this link and make a purchase, we earn a commission at no additional cost to you.

Things To Consider  Choosing Lower Receivers 🔥

🚩  Price – The price point will vary greatly depending upon the brand, construction type (aluminium or polymer), make/model, features included and any special finishes or engravings desired by you.

🚩 Quality – it should be your number one priority as this component holds all other important internal components together in order for them to work correctly.

🚩 Material – they will either be constructed from Aluminum Alloy or Polymer materials; both have their advantages but depending upon what kind of environment you plan on using them in should determine which material you should select from.

🚩 Engravings & Finishes – You may want to select a Lower with optional engravings or finishes aftermarket such as Cerakote coatings which provide better protection against wear & tear over time while also giving it an aesthetically pleasing look as well.

We believe this video can be helpful for you📺

Types⚡

🏁 The Standard Lower Receiver is a forged one, which is typically made out of 7075 aluminium alloy and is considered to be the most common type of AR-15 Lowers. This type is designed for durability and reliability and comes with a mil-spec trigger group for accurate shooting. It has a hard coat anodized finish that ensures it can withstand harsh elements like rain and wind.

🏁 The Polymer Lower Receiver offers lightweight construction with superior strength c due to its advanced polymer construction material. It also includes additional design features such as an oversized trigger guard which makes it easier to access even when wearing gloves or bulky clothing.

🏁 The Billet Lower Receiver is machined from solid blocks of aluminium alloy making it strong and durable. It also provides excellent heat dissipation allowing for enhanced accuracy during long shooting sessions.

🏁 Forged Stripped Lower Receivers are the most popular choice amongst enthusiasts because they can be customized easily. They often come in varying colours including black, grey, flat dark earth, as well as pink (for those who prefer something more unique).

Watch this video to find more information💻

Best 💣 Lower Receiver Reviews

1# KE Arms LLC Blemished KP-15 Complete Lower Receiver

KE ARMS LLC BLEMISHED KP-15 COMPLETE LOWER RECEIVER

View on Brownells

Specification

Cartridge: 5.56 mm NATO
Finish: O.D. Green
Style: Complete

Looking for an affordable and lightweight AR15 receiver? Check out the KE Arms KP-15 receiver. This monolithic polymer receiver incorporates the buttstock, buffer tube, pistol grip, and trigger into the receiver design, making it easier to produce and lower in cost. The KP-15 is compatible with most AR15 uppers and lower parts kits on the market. It also features a flared magwell to make reloads under stress easier, and an A1 length 13″ buttstock to fit a wide range of shooters. So if you’re in the market for a durable and affordable AR15 receiver, look no further than the KE Arms KP-15!

Video review

Pros:
  • Lighter weight compared to similarly configured receivers
  • Lower cost to similarly configured receivers
  • Eliminating the spring and detent holes in the lower increases durability
  • Flared magwell for easier reloads
Cons:
  • Not compatible with some AR15 uppers and parts kits
  • Some users find it difficult to install

 

2# Knights Armament SR-25 Lower Receiver

KNIGHTS ARMAMENT SR-25 LOWER RECEIVER

View on Brownells

Specification

Make: Knights Armament
Model: SR-25
Cartridge: 7.62 mm NATO
Finish: Black
Style: Ambidextrous

Want to take your AR-style rifle to the next level? The Knight’s Armament SR-25 lower receiver is a perfect choice. This commercially offered lower receiver is built with the same features and quality as the company’s military-contract arms, making it perfect for anyone looking for a high-quality, reliable rifle. Each Knight’s Armament SR-25 lower receiver includes the completely ambidextrous layout that Knight’s guns are known for, including the Ambi bolt release, selector switch, and magazine release. In addition, this 7.62 NATO lower also comes with Knight’s drop-in, two-stage trigger design. So whether you’re a lefty or a righty, you can be sure that this rifle will fit you like a glove. Don’t settle for anything less than the best – pick up a Knight’s Armament SR-25 lower receiver today!

Pros:
  • Ambidextrous layout
  • High quality and reliability
  • Drop-in, two-stage trigger design
  • Perfect for lefties or righties
Cons:
  • May be too expensive for some
  • The design may not be suitable for everyone

 

3# Wilson Combat WC-15 Billet Lower Receiver

WILSON COMBAT WC-15 BILLET LOWER RECEIVER

View on Brownells

Specification

Make: Wilson Combat
Model: WC-15
Cartridge: Multi
Finish: Anodized
Style: Billet

The Wilson Combat WC-15 Billet Lower Receiver is the perfect base for building your ideal precision tactical AR-15 rifle. This receiver has been designed by Bill Wilson and the Wilson Combat design team to address the structural design weaknesses in standard USGI lower receivers and enhance overall tolerances. The BILLet-AR lower receiver has been machined from a solid block of aluminum for superior strength and durability. The oversize magazine well allows for quick reloads, and the integral trigger guard provides added strength and protection for use with gloves. With Wilson Combat’s extensive experience as a premier custom builder of AR-15 rifles, you can be confident that this next-generation precision shooting platform will meet your needs and expectations.

Video review

Pros:
  • Superior strength and durability
  • Enhanced tolerances
  • Oversized magazine well
  • Integral trigger guard
  • Aesthetically pleasing
Cons:
  • Some users report poor component quality
  • More expensive than other options

 

4# Brownells BRN-7 Stripped Lower Receiver

BROWNELLS BRN-7 STRIPPED LOWER RECEIVER

View on Brownells

Specification

Make: AR .308, Heckler & Koch
Model: 417
Cartridge: 308 Winchester, 7.62 mm NATO
Finish: Black
Style: Stripped

The Brownells BRN-7 Stripped Lower Receiver is a high-quality reproduction of the HK417 rifle. Made from raw HK417 forging and machined by Primary Weapons Systems, this lower features classic HK417 contours and selector markings. It also has FFL information machined on the front of the magazine well. This receiver is finished with matte black Type III anodizing.

Pros:
  • Made from raw HK417 forging
  • Finished with matte black Type III anodizing
  • Classic HK417® contours
  • Tight fit and easy operation
Cons:
  • Some users have complained about the quality of the machining
  • Lower may not fit some rifles correctly

 

5# Brownells BRN-10 Lower Receiver

BROWNELLS BRN-10 LOWER RECEIVER

View on Brownells

Specification

Make: Brownells
Model: BRN-10
Cartridge: 308 Winchester
Finish: Black
Style: Stripped

Do you want to build a one-of-a-kind AR-10 clone? Brownells has you covered with the BRN-10 Lower Receiver. This receiver includes the proprietary BRN-10 parts, such as the magazine release, takedown pins, and safety selectors. The buffer tube interface is compatible with any standard AR-15/308 buffer tube and stock, making it easy to get started on your build. The receiver is machined from 7075-T6 aluminum and anodized matte black for a durable finish. Keep in mind that the BRN-10 Lower Receiver only fits the BRN-10 Upper Receiver – it’s not compatible with other 308 pattern receivers. Order today and get started on building the AR-10 of your dreams!

Pros:
  • Machined from 7075-T6 aluminum
  • Anodized matte black
  • Compatible with any standard AR-15/308 buffer tube and stock
  • Includes the proprietary BRN-10 parts
Cons:
  • Only fits the BRN-10 Upper Receiver
  • Not compatible with other 308 pattern receivers

 

6# KE Arms LLC WWSD Complete Lower Receiver

KE ARMS LLC WWSD COMPLETE LOWER RECEIVER

View on Brownells

Specification

MAKE : AR-15
CARTRIDGE : MULTI

KE Arms is proud to offer the WWSD Complete Lower Receiver. This lower receiver includes all the parts needed to complete your WWSD2020 Rifle, with the addition of the RTS-1 Rekluse trigger. The Rekluse is the next evolution of the patented Sear Link Technology trigger series by KE Arms and is even more sealed against dirt and debris while featuring a full power hammer spring. The KP-15 Monolithic Polymer Receiver and KE Arms Ambi 90/45 Wedge Selector provide a durable foundation for your build, while the JP Silent Capture Spring System ensures reliable operation. The Trap Door Buttplate rounds out this lower receiver, giving you a sturdy platform for your shooting needs.

Video review

Pros:
  • Durable build
  • Includes all parts needed to complete the Rifle
  • Ambi 90/45 Wedge Selector
  • JP Silent Capture Spring System
Cons:
  • May be difficult to assemble
  • The receiver may be too lightweight
  • Trigger pull may be too heavy

 

7# Brownells BRN-180m Lower Receiver

BROWNELLS BRN-180M LOWER RECEIVER

View on Brownells

Specification

Make: Brownells
Model: BRN-180
Cartridge: 5.56 mm NATO
Finish: Black
Style: Billet, Stripped

The Brownells BRN-180m Lower Receiver is a top-quality product specifically designed to work with the BRN-180 Upper Receivers. Together, they offer maximum potential and compatibility with Mil-Spec lower receiver parts and triggers. The Lower Receiver is made from billet 7075 T-6 aluminum for durability, has an integral oversized trigger guard, and has unique features like a threaded bolt catch pin and captive set screw for the takedown pin detent spring. Get the best performance out of your firearm with the Brownells BRN-180m Lower Receiver.

Video review

Pros:
  • Made from durable billet 7075 T-6 aluminum
  • Integral oversized trigger guard for easy use with gloved hands
  • A threaded bolt catch pin and captive set screw are included
Cons:
  • Will not function with standard AR-15 upper receivers
  • No mention of a warranty or customer service

 

8# 17 Design And Manufacturing Ar-308 Integrated Folding Lower Receiver

17 DESIGN AND MANUFACTURING AR-308 INTEGRATED LOWER RECEIVER

View on Brownells

Specification

Make: AR .308
Cartridge: 308 Winchester
Finish: Black

The IFLR-10 is the perfect base for your AR 308 build. This lower receiver features a unique, integrated folding mechanism that makes it easy to transport and store your rifle. The IFLR-10 is made from S7 tool steel, making it extremely wear-resistant and corrosion-resistant. Additionally, the upper tensioning screw allows you to fine-tune the fit of the upper and lower receiver. The IFLR-10 also features a flared magwell angle for easier magazine insertion and a threaded bolt catch pin for added security.

Pros:
  • The integrated folding mechanism for easy transporting and storing
  • Made from S7 tool steel
  • Extremely wear-resistant and corrosion-resistant
  • Flared magwell angle for easier magazine insertion
Cons:
  • Fitting required
  • Some users complain about poor construction quality

 

9# KE Arms LLC KP-9 Complete Lower Receiver

KE ARMS LLC KP-9 COMPLETE LOWER RECEIVER

View on Brownells

Specification

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

Introducing the KE Arms KP-9, a monolithic polymer 9mm Glock Mag Compatible AR15 style receiver. The KP-9 is 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 is compatible with the most common 9mm AR15 uppers and lower parts kits and is compatible with Glock 17 and 19 Magazines. The KP-9 features a flared magwell to make reloads under stress easier to perform. Additionally, the KP-9 has an A1 Length 13” Length of Pull (LOP) Buttstock to fit a wide range of shooters and MLOK Slots at the rear of the stock for sling attachment points or run a strap through it for simple sling attachment.

Video review

Pros:
  • Injection-moulded 30% glass-filled nylon
  • The buttstock, buffer tube, pistol grip, and trigger are integral components
  • Lighter weight compared to similarly configured receivers
  • Lower cost to similarly configured receivers
  • Compatible with the most common 9mm AR15 uppers and lower parts kits
  • Glock 17 and 19 Magazines compatible
  • Flared magwell for easier reloads
Cons:
  • May not be as strong as other receivers
  • Some components are integral and cannot be replaced or upgraded
  • Sometimes it’s hard to find on sale

 

10# Fightlite Industries SCR Lower Receiver

FIGHTLITE INDUSTRIES SCR LOWER RECEIVER

View on Brownells

Specification

MAKE : FIGHTLITE INDUSTRIES
MODEL : SCR
CARTRIDGE : 5.56 MM NATO

Do you want a high-quality SCR lower receiver assembly with your choice of wood buttstock? Look no further than Fightlite Industries for the finest! SCR lower receiver fits standard AR-15-type upper receivers and comes complete with a bolt catch, SCR bolt carrier, strut, and dowel pin. Plus, it’s backed by a comprehensive operator’s manual. So why wait? Invest in the best with Fightlite Industries today!

Pros:
  • High-quality
  • The wood buttstock of your choice
  • Bolt catch, SCR bolt carrier, strut, and dowel pin included
  • Comprehensive operator’s manual
Cons:
  • May not fit all AR-15-type upper receivers
  • May be difficult to find

 

11# JL Billet AR 15 Billet Upper Receiver JLB-SKLTR-UPR-A

JL Billet AR 15 Billet Upper Receiver JLB-SKLTR-UPR-A

View on OpticsPlanet

Specification

Manufacturer: JL Billet
Color: Black
Finish: Type III Hardcoat Anodized
Fabric/Material: 7075-T6 Aluminum
Cartridge: 5.56x45mm NATO
Gun Make: DPMS
Gun Model: AR-15
Weight: 0.44 lb

The JL Billet AR 15 Billet Upper Receiver is machined out of a solid block of 7075-T6 US aerospace-grade aluminum on 5-axis machining centers. This upper receiver is designed to be lightweight and has weight reduction cuts that give it a look that stands out among the rest. The billet upper receiver can be purchased in raw aluminum or Type III hard black anodize.

Pros:
  • Machined out of a solid block of 7075-T6 US aerospace-grade aluminum
  • Precision 5 Axis CNC machined
  • Designed to be lightweight and has weight reduction cuts
  • Can be purchased in raw aluminum or Type III hard black anodize
Cons:
  • Some users have complained about problems with the finish
  • May not be as reliable as others

 

Lower Receiver Assembly🧨

  1. 🔰 Starts by ensuring that all components are properly inspected before installation. All parts should be free of damage or deformations that could affect functioning. It is also important to use appropriate tools and lubricants during assembly.
  2. 🔰 Begin by attaching the buffer tube to the rear portion using two screws. This will provide stability for mounting the buttstock later on. Afterwards, the front pivot pin should be inserted into its corresponding hole within the Lower using an Allen wrench or similar tool.
  3. 🔰 Next comes installing a safety selector switch into its designated slot within either side of the Lower Receiver. Some models may require pressing down firmly with a hammer to ensure it seats properly in place. Once installed correctly, this will help ensure that accidental firing cannot occur while handling your firearm safely.
  4. 🔰 Once these steps have been completed successfully, attaching a buffer retainer pin onto its corresponding groove within the Receiver ensures that your buttstock stays secure during use.
  5. 🔰 After this step is complete, you’ll need to attach your fire control group (FCG) into its designated slot within the Receiver by pushing down firmly with a hammer until it’s flush against its surfaces inside of its respective cavity.
  6. 🔰 Once you have reassembled all components together successfully according to manufacturer guidelines or the instruction manual provided with purchase – it is now time to attach a bolt carrier group (BCG).

I hope this video will help all the beginners💻

FAQ🤔

Will any lower receiver work with any upper?
It is typically mated to an upper receiver, which contains the barrel and other essential parts of the gun. There are many different types of lowers available on the market, each designed to work with a specific type of upper receiver. So, most lowers will only work with their corresponding upper receivers. However, there are some compatibility exceptions, so it’s always best to check with the manufacturer before making a purchase.
Do lower receivers have to go through FFL?
No, they do not have to go through an FFL. These items are not considered firearms by the BATFE and therefore can be purchased without going through an FFL.
What To Buy - Forged Or Billet Lower Receiver?

It can be difficult to decide which type is best for your needs, so it’s important to understand the differences between the two.

🎯 Forged Lower Receivers are typically less expensive than Billet items and are made by using large metal presses that force a block of aluminium into a die shape. The metal is then shaved down to its desired dimensions. This process is fast and cost-effective but often results in Lowers with a less refined finish than those made with Billet Lowers.

🎯 Billet Lower Receivers, on the other hand, use precision computer-controlled machines (CNC) to carve out the unit from a solid block of aluminium rather than being pressed into shape. This produces a much more consistent product with greater strength and accuracy as well as higher quality control from part to part. These Receivers also have a more refined look and feel due to their smooth surface finish that has been machined with exacting specifications giving them an edge over forged Receivers when overall quality is taken into account.

🟡The cost difference between Forged Lower and Billet Lower can vary significantly depending on the brand and model you choose but typically Billet Lower will cost more due to their increased production costs compared to forged receivers. In addition, some gunsmiths and enthusiasts will only work with one or the other type so depending on your needs you may want to research any potential compatibility issues if you intend on customization or changes later down the line.

Please watch this video to learn more information📺

Can I buy Ambidexterous Lowers?
The answer is yes! Ambidextrous Lowers are a great way to build a versatile, comfortable and personal AR-15 that is capable of using either left or right-handed magazines.
Is polymer lower strong enough?

The truth is that modern Polymer Lower Receivers can be just as strong and reliable as metal Receivers while offering a lighter weight, better ergonomics, and oftentimes more customization options.

First of all, Polymer Lowers are made up of two main components.

💥The first component is the receiver itself which houses the Hammer and Trigger components along with other elements such as the Magazine Release Button. This part is typically manufactured from either Reinforced Nylon or Carbon Fiber Polymer Composite materials. These materials are incredibly durable and offer superior strength and protection against abrasion, impact, scratches, dents, corrosion and wear over time.

💥The second component is the Buffer Tube Assembly which houses the recoil spring assembly and buffer tube inside the Receiver itself. This component is usually manufactured from reinforced nylon or aluminium materials and offers superior strength when compared to traditional aluminium Receivers. The buffer tube assembly also features an improved locking system which ensures accuracy when shooting at high speeds and under heavy recoil conditions.

Can you cast a lower receiver?
Yes, you can cast it from a variety of materials. Aluminum is the most common material used, but you can also cast them from magnesium, bronze, brass or steel.

 

Conclusion🔔

In this article, we’ve covered the basics of Lower Receivers and shared our top picks for the best items. We hope that you now have a better understanding of what to look for and are armed with the knowledge needed to make an informed decision about which receiver is right for you😺.

 

0 0 votes
Article Rating
Subscribe
Notify of
guest
13 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments
Bet
Bet
7 hours ago

I read the article. Thanks. I have an aero lower receiver. I rely on dependable and economical Aero lowers, which are often easily obtainable.

Ngech56
Ngech56
7 hours ago

I’m particularly fond of my Wilson lower. Being that it’s my first build, I was elated to find out that it possesses a set screw for the bolt catch release instead of having to drive in an uncomfortable roll pin through such a small hole – not fun at all! It could just be me, but this is something worth celebrating and made me appreciate life’s little pleasures even more.

Jelsso
Jelsso
7 hours ago

Hi!  Are lower receivers universal across all firearms?  

AuthorNatali
Editor
Reply to  Jelsso
7 hours ago

Lower receivers are not universal across all firearms. Lower receivers come in many different sizes and calibres, so the type of lower receiver you need will depend on the type of firearm you are using. Additionally, some rifles may require additional components such as a buttstock or pistol grip in order to complete their lower receiver. Ultimately, it is important to carefully choose the right lower receiver for your specific rifle model.

Nerras
Nerras
7 hours ago

Thank you for the post. Quite interesting. I noticed that not all lower features are the basic milspec features, allowing for ambidextrous controls, magwell funnels, and more. However, as others have suggested, almost every forged lower is produced by one of fewer than 10 OEM manufacturers with an array of different maker stamps.

AuthorNatali
Editor
Reply to  Nerras
7 hours ago

We are grateful for your opinion

Moneril
Moneril
7 hours ago

What is the good price for the lower receiver?

AuthorNatali
Editor
Reply to  Moneril
7 hours ago

The good price for a lower receiver depends on a variety of factors, such as quality, manufacturer, and features. Lower receivers can range from a few hundred dollars for basic units to several thousand for more advanced models with higher-end components.

Rit
Rit
7 hours ago

In my region, I consider a good deal for buying a receiver to be anything less than 200 dollars. Mine was purchased from Brownells at that price. The cost doesn’t have much of an impact on the performance

Brushalin
Brushalin
7 hours ago

There are several elements that account for the variation in prices, including:

Whether or not it’s made to military specifications
The quality of its construction (forged is optimal, followed by billet and stamped)
Ambidextrous features (which can be a nice bonus).

Gagas
Gagas
7 hours ago

What types of aftermarket products can I add to my lower receiver?  

AuthorNatali
Editor
Reply to  Gagas
7 hours ago

The aftermarket products available for Lower Receivers are almost limitless and range from stocks, grips, trigger guards and even trigger kits. Depending on the type of Lower Receiver you have, you may be able to find a variety of accessories that can enhance its performance or customize its look.

Jaevale
Jaevale
7 hours ago

Good article. The information can be used for choosing a lower receiver. One piece of advice: remember, there are not many factories that produce lowers and these same plants provide for multiple companies. It’s all about consistent quality control as well as the logo or brand mark (some of which have greater appeal than others).