AR-15 LOWER RECEIVERS

AR-15 LOWER RECEIVERS

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Aero Precision AR15 Complete Lower Receiver - FDE

Aero Precision AR15 Complete Lower Receiver - FDE

Our AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. Save when you buy it complete and let our specialist do the installation for you!

INCLUDES:

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

Must ship to a U.S. FFL dealer

APAR501351

In stock

$219.99

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 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 M4E1 Complete Lower Receiver w/ A2 Grip and M4 Stock - BLK

Aero Precision M4E1 Complete Lower Receiver w/ A2 Grip and M4 Stock - BLK

The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our new M4E1 Lower Receiver with an A2 Grip and M4 Stock.

M4E1 Receiver

M4 Stock and A2 Grip

Mil-Spec Lower Parts Kit

Carbine Receiver Extension

AR15 Carbine Buffer & Spring

APAR600101

In stock

$299.99

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

$209.95

Sharps Bros Warthog AR15 Stripped Lower Receiver - BLK

Sharps Bros Warthog AR15 Stripped Lower Receiver - BLK

Warthog's design is inspired by the A-10 Warthog aircraft. It is machined top to bottom from 7075-T6 aluminum with an oversized and integral trigger guard, beveled magazine flare, and a Multi caliber mark. The Warthog is fully compatible with all mil-spec internal parts and other aftermarket mil-spec upper receivers, and GI standard issue magazines as well as PMags.

SBLR02

In stock

$279.95

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

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

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

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

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 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

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 M16A4 Clone Lower, 5.56mm

Aero Precision M16A4 Clone Lower, 5.56mm

M16A4 Clone Lower Receiver features custom engraving on our AR15 Gen 2 Lower Receiver and is the perfect base for your M16A4 clone build. These lowers do not have engraving on the right side of the magwell.

Markings include: Property of USA, MOD M16A4, CAL. 5.56MM and has Safe/Semi/Burst safety selector markings

APAR148017C

Out of stock

Out of stock
Aero Precision M4E1 Carbine Complete Lower Receiver w/A2 Grip - BLK

Aero Precision M4E1 Carbine Complete Lower Receiver w/A2 Grip - BLK

Includes:

  • M4E1 Stripped Lower Receiver - Anodized Black
  • A2 Grip - Black
  • Mil-spec Lower Parts Kit
  • AR15 Carbine Receiver Extension
  • AR15 Carbine Buffer and Spring
  • These parts are installed

APAR600112

Out of stock

Out of stock
Aero Precision M4E1 Complete Lower Receiver w/ Magpul MOE & SL - BLK

Aero Precision M4E1 Complete Lower Receiver w/ Magpul MOE & SL - BLK

The Aero Precision M4E1 Complete Lower Receiver with Magpul SL Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Lower and is upgraded to include an Magpul PRS Lite Stock. The MOE SL® Stock – Mil-Spec Model (MOE Slim Line) is a drop-in replacement buttstock for AR15/M4 carbines using mil-spec sized receiver extension tubes. Designed for the modern battlefield, the sleek profile, dual-side release latches, rolled toe, and angled rubber butt-pad are optimized for use with body armor or modular gear and provides for efficient shoulder transitions.


Must ship to a U.S. FFL dealer

APAR600185

Out of stock

Out of stock
Aero Precision M4E1 Complete Lower Receiver w/ Magpul MOE & SL - Kodiak Brown

Aero Precision M4E1 Complete Lower Receiver w/ Magpul MOE & SL - Kodiak Brown

The Aero Precision M4E1 Complete Lower Receiver with Magpul SL Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Lower and is upgraded to include an Magpul PRS Lite Stock. The MOE SL® Stock – Mil-Spec Model (MOE Slim Line) is a drop-in replacement buttstock for AR15/M4 carbines using mil-spec sized receiver extension tubes. Designed for the modern battlefield, the sleek profile, dual-side release latches, rolled toe, and angled rubber butt-pad are optimized for use with body armor or modular gear and provides for efficient shoulder transitions.

INCLUDES:

  • M4E1 Lower Receiver
  • Magpul MOE Grip
  • Magpul SL Carbine Stock
  • Lower Parts Kit
  • Carbine Receiver Extension
  • Enhanced Carbine Buffer Tube (Kodiak Brown & OD Green Anodized)
  • AR15 Carbine Buffer and Spring
  • These parts are installed
Must ship to a U.S. FFL dealer

APAR600565

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.