AR-15 LOWER RECEIVERS

AR-15 LOWER RECEIVERS

Shop by:

Caliber
Color
Finish
Your results are being filtered by:
  • Category -> AR-15 LOWER RECEIVERS
Remove Filters

Products

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - BLK

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - BLK

Aero Precision lowers are precision machined to mil-spec dimensions, and work with standard AR15 components to ensure the highest quality with a correct component interface.

Gen 2 Features

  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Increased Magwell Flare - Allows for easier insertion of magazines and provides a sleeker look.


APAR501101C

In stock

$109.99

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - FDE

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - FDE

Aero Precision lowers are precision machined to mil-spec dimensions, and work with standard AR15 components to ensure the highest quality with a correct component interface. FDE Cerakote Finish.

Gen 2 Features

  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Increased Magwell Flare - Allows for easier insertion of magazines and provides a sleeker look.

APAR501302C

In stock

$129.99

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - OD Green

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - OD Green

Aero Precsion AR15 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, their lowers work with standard AR15 components and ensure the highest quality with a correct component interface.

Includes:

  • Stripped AR15 Gen 2 Lower Receiver in OD Cerakote H-232Q
  • Nylon tipped tensioning screw
  • Billet Trigger Guard - OD Green

APAR501301C

In stock

$149.99

Aero Precision EPC-9 Lower Receiver - BLK

Aero Precision EPC-9 Lower Receiver - BLK

The EPC-9 Lower Receiver delivers billet aesthetics in a forged package for your next pistol caliber build. This custom-designed enhanced forging is machined from 7075-T6 Aluminum and has several functional features, much like the M4E1, to help simplify the assembly process for the at home builder.

EPC-9 Lower Receiver Features:

  • Threaded bolt catch pin for easy installation
  • Integrated enlarged trigger guard to remove any risk of breaking off trigger guard tabs, and provide an overall more rugged platform to build on
  • Threaded takedown pin detent recess to allow for the installation of a detent and spring with a single 4-40 set screw
  • Flared magazine well for quick and easy reloads
  • Proprietary components pre-installed from the factory
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum
  • Compatible with standard frame GLOCK® magazines

APAR620001AC

In stock

$139.99

Aero Precision M5 .308 Complete Lower Receiver, Standard - BLK

Aero Precision M5 .308 Complete Lower Receiver, Standard - BLK

Aero Precision M5 .308 Complete Lower Receiver, Standard - BLK. This Complete Lower Receiver is the perfect base for your custom AR10
build. Works with standard AR 308 components and magazines, rear takedown pin detent hole is threaded for 4-40 set screw. Bolt catch is threaded for screw pin, integrated trigger guard, selector marking will work with 45, 60 or 90 degree safety selectors.

Includes:

  • M5 (.308) Lower Receiver
  • A2 Grip
  • M4 Stock
  • Mil-Spec Lower Parts Kit
  • 308 Carbine Buffer and Spring
  • These parts are installed

APAR308011

In stock

$349.99

Aero Precision M5 .308 Stripped Lower Receiver - BLK

Aero Precision M5 .308 Stripped Lower Receiver - BLK

Our M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. DPMS cut.

Features:

  • Works with standard AR 308 components and magazines
  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver.
  • Rear takedown pin detent hole is threaded for a 4-40 set screw
  • Bolt catch is threaded for a screw pin (no roll pin needed)
  • Integrated trigger guard
  • Selector markings will work with 45, 60 or 90 degree safety selectors
  • Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector
  • No gap with aftermarket pistol grips

Includes:

  • Stripped M5 (.308) Lower Receiver in Anodized Black
  • Nylon tipped tensioning set screw

APAR308003C

In stock

$169.99

Aero Precision AR15 M4E1 Stripped Lower Receiver - BLK

Aero Precision AR15 M4E1 Stripped Lower Receiver - BLK

The Aero Precision M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

M4E1 Lower Receiver Improvements:

  • Threaded Bolt Catch Roll Pin - Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). 1/16" Hex Key required for assembly.
  • Integrated Trigger Guard - Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon.
  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Threaded Takedown Pin Detent Recess - Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room).
  • Increased Magwell Flare - Increased the flare of the magwell to aid in quick and efficient magazine changes.
  • Marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.

Includes:

  • Stripped M4E1 Lower Receiver
  • Nylon tipped tensioning set screw
  • Threaded Bolt Catch Pin

APAR600001C

In stock

$124.99

Aero Precision EPC-9 Complete Lower Receiver - BLK

Aero Precision EPC-9 Complete Lower Receiver - BLK

The Aero Precision EPC-9 Complete Lower Receiver with SB Tactical Stabilizing Brace is the perfect starting place for your AR pistol build. This complete lower is upgraded to include an SB Tactical SBA4 Stabilizing Brace.

Includes:

  • EPC-9 Lower Receiver
  • Magpul MOE® Grip
  • SBA4 Brace
  • Lower Parts Kit
  • Enhanced Buffer Tube
  • EPC 7.7oz Buffer
  • M5 Carbine Buffer Spring
  • Castle nut/end plate
  • These parts are installed

EPC-9 Lower Receiver Features:

  • Threaded bolt catch pin for easy installation
  • Integrated enlarged trigger guard to remove any risk of breaking off trigger guard tabs, and provide an overall more rugged platform to build on
  • Threaded takedown pin detent recess to allow for the installation of a detent and spring with a single 4-40 set screw
  • Flared magazine well for quick and easy reloads
  • Proprietary components pre-installed from the factory
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum
  • Compatible with standard frame GLOCK® magazines

APAR620511

In stock

$429.99

Spikes Rare Breed Samurai AR-15 Stripped Lower Receiver - Multi-Caliber

Spikes Rare Breed Samurai AR-15 Stripped Lower Receiver - Multi-Caliber

Inspired by the Samurai warrior, this lower honors the warrior mindset. Technology evolves, warriors never change. This lower is designed by Rare Breed Firearms for exclusive distribution by Spikes Tactical. This multi caliber lower receiver uses a threaded pin for the bolt catch and is included with the receiver. Features bullet pictogram selector markings. Low shelf, RDIAS compatible. MIL-A-8625F Type III Class 2 Hard Coat Anodized finish.

STLB630-PH

In stock

$429.95

Timber Creek Outdoors Enforcer Build Kit - Blue

Timber Creek Outdoors Enforcer Build Kit - Blue

Timber Creek Outdoors complete AR15 build kit includes:

Oversized Ambi Charging Handle

15" Ultra Light Hand Guard - MLOK

Forward Assist

Billet Dust Cover

Enforcer AR Pistol Grip

Oversized Trigger Guard

Ambi Safety

Extended Magazine Release

Take Down Pins

QD End Plate

Buffer Tube

Low Profile .750 Gas Block

.223 Heat Breaker

TCO-EK-B

In stock

$549.99

Aero Precision AR15 Complete Lower Receiver w/MOE SL Grip and SL-S Carbine Stock - BLK - LIMIT ONE

Aero Precision AR15 Complete Lower Receiver w/MOE SL Grip and SL-S Carbine Stock - BLK - LIMIT ONE

Aero Precision AR15 Complete Lower Receiver w/MOE SL Grip and SL-S Carbine Stock. This Complete Lower Receiver is the perfect base for your custom AR15 build.

APAR501132

Out of stock

Out of stock
Aero Precision AR15 Complete Lower Receiver, Standard - BLK

Aero Precision AR15 Complete Lower Receiver, Standard - BLK

Aero Precision AR15 Complete Lower Receiver, Standard - BLK. This Complete Lower Receiver is the perfect base for your custom AR15 build.

Includes:

  • AR15 Gen 2 Lower Receiver - Anodized Black
  • M4 Stock - Black
  • A2 Grip - Black
  • Mil-spec Lower Parts Kit
  • Carbine Receiver extension
  • AR15 Carbine Buffer and Spring
  • These parts are installed

APAR501111

Out of stock

Out of stock
Aero Precision AR15 M4E1 Stripped Lower Receiver - BLK - BLEM

Aero Precision AR15 M4E1 Stripped Lower Receiver - BLK - BLEM

Factory BLEMs.

The Aero Precision M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

M4E1 Lower Receiver Improvements:

  • Threaded Bolt Catch Roll Pin - Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). 1/16" Hex Key required for assembly.
  • Integrated Trigger Guard - Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon.
  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Threaded Takedown Pin Detent Recess - Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room).
  • Increased Magwell Flare - Increased the flare of the magwell to aid in quick and efficient magazine changes.
  • Marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.

Includes:

  • Stripped M4E1 Lower Receiver
  • Nylon tipped tensioning set screw
  • Threaded Bolt Catch Pin

APAR600001BC - BLEM

Out of stock

Out of stock
Aero Precision AR15 M4E1 Stripped Lower Receiver - FDE

Aero Precision AR15 M4E1 Stripped Lower Receiver - FDE

The Aero Precision M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

M4E1 Lower Receiver Improvements:

  • Threaded Bolt Catch Roll Pin - Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). 1/16" Hex Key required for assembly.
  • Integrated Trigger Guard - Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon.
  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Threaded Takedown Pin Detent Recess - Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room).
  • Increased Magwell Flare - Increased the flare of the magwell to aid in quick and efficient magazine changes.
  • Marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.

Includes:

  • Stripped M4E1 Lower Receiver
  • Nylon tipped tensioning set screw
  • Threaded Bolt Catch Pin

Must ship to a U.S. FFL dealer

APAR600002C

Out of stock

Out of stock
Aero Precision AR15 Pistol Complete Lower Receiver w/MOE Grip and SBM4 Brace - FDE - LIMIT ONE

Aero Precision AR15 Pistol Complete Lower Receiver w/MOE Grip and SBM4 Brace - FDE - LIMIT ONE

Aero Precision AR15 Pistol Complete Lower Receiver w/MOE Grip and SBM4 Brace - FDE. This Complete Lower Receiver is the perfect base for your custom AR15 pistol build.

APAR501158

Out of stock

Out of stock
Aero Precision AR15 Stripped Ambidextrous Lower Receiver - BLK

Aero Precision AR15 Stripped Ambidextrous Lower Receiver - BLK

Our Ambidextrous Lower Receiver is designed to give you full control from either side, resulting in a versatile firearm for any shooter. Whether you are right or left handed, we've got you covered. Complete this receiver with a Norgon Ambi Catch and a Ambidextrous Safety Selector for full bolt, magazine and safety control from either side. Machined to mil-spec dimensions.

PDQ Ambi-Bolt Release Features:

  • Material: Military grade steel
  • Coating: Matte black hard-coat anodized Mil 8625 Type 3 Class 2
  • Allows user to lock the bolt back as well as send the bolt forward
  • Made in the USA

APAR501102AC

Out of stock

Out of stock
Aero Precision AR15 Stripped Lower Receiver, Gen 2 - BLK - BLEM

Aero Precision AR15 Stripped Lower Receiver, Gen 2 - BLK - BLEM

AR15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.

Gen 2 Improvements

  • Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Increased Magwell Flare - Allows for easier insertion of magazines and provides a sleeker look.

Includes:

  • Stripped AR15 Lower Receiver, Gen 2
  • Nylon tipped tensioning set screw

This product is blemished. Blemishes may include:

  • Plating inconsistencies
  • Pits
  • Scratches
  • Dents
  • Flaws in finish

Aero blemished products are fully functional, they just didn't meet their high standards. They are a great product at a discounted price for someone who doesn't mind a slight imperfection.

APAR501101BC - BLEM

Out of stock

Out of stock
Aero Precision AR15 Stripped Upper/Lower Receiver Set - BLK

Aero Precision AR15 Stripped Upper/Lower Receiver Set - BLK



Upper Receiver Features:

  • Machined from 7075-T6 forged aluminum
  • M4 Feedramps
  • .250” takedown pin holes
  • Works with standard AR15 components

Lower Receiver Features:

  • Machined from 7075-T6 forged aluminum
  • Upper Tension Screw
  • Flared Magwell
  • Rear takedown pin detent hole is threaded for a 4-40 set screw
  • Works with standard AR15 components and magazines

APCS100002S

Out of stock

Out of stock

AR-15 Lower Receivers

Find the Assembly Parts You Need for Your AR-15 Lower Receiver

Creating a high performance rifle can lead to a preoccupation with acquiring parts. Don’t spend hours on different sites when we have the top quality AR-15 lower receivers and parts you need for inspired building. Gain well-crafted equipment for enthusiasts and pros that can be counted on for a good fit, durable workmanship, and excellent shooting for years. Our line-up of AR-15 lower receivers and parts includes both stripped parts and assemblies. Access forged receivers manufactured from mil-spec, hard coat anodized aircraft grade aluminum. Aero Precision's popular lower receiver, stripped for the semi-auto AR15, is made with these materials, and a special coating adds enhanced durability. Look to us for receivers, plus comprehensive parts sets, and field repair kits. Items such as push button pivot pins, trigger assemblies, and hammer pin sets are within our AR-15 parts pages.

Quality AR-15 Lower Receiver Assembly Offers Peak Performance

If you’ve got competition fever, an AR-15 lower receiver assembly comes complete with a collapsible stock with a high quality single or two stage trigger. Or order a drop-in, match grade modular trigger assembly for your rifle that can be installed in minutes. Prominent names in lower receiver manufacturing can be found on our site, including Areo Precision, Rock River Arms, CMMG, DPMS and Stag Arms. If you’re building your own gun, follow the lead of top rifle manufacturers and choose equipment for the long haul. You want a dependable, consistent performer. When it comes to field duty, a forged AR-15 lower receiver assembly shares a robust strength that’s greater than a cast receiver. Our manufacturers, like DPMS, use forged high grade aluminum, anodized to mil-spec, in their lower receiver assemblies. Remember, our rifle section includes exciting choices in AR-15s that are range ready now.