AR-15 LOWER RECEIVERS

AR-15 LOWER RECEIVERS

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Aero Precision DTOM M4E1 Upper/Lower Receiver Set

Aero Precision DTOM M4E1 Upper/Lower Receiver Set

Special Edition Dont Tread on Me AR15 M4E1 Upper and Lower receiver set.

  • 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).
  • 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.
  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes

APCS100512

Out of stock

Out of stock
Aero Precision DTOM M5 Stripped Lower - BLK

Aero Precision DTOM M5 Stripped Lower - BLK

Special edition Dont Tread on Me M5 (.308) Stripped Lower Receiver.

  • 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

APAR308015C

Out of stock

Out of stock
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

Out of stock

Out of stock
Aero Precision EPC-9 Upper/Lower Receiver Set - BLK

Aero Precision EPC-9 Upper/Lower Receiver Set - BLK

The Aero Precision EPC-9 receiver set is the perfect foundation for your next AR9 build. Precision machined from 2 custom 7075-T6 Aluminum forgings and featuring a last round bolt hold open. Compatible with standard frame Glock magazines, the EPC-9 receiver set is compatible with 9x19 and .40 S&W when using the appropriate bolt carrier and barrel.

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

EPC-9 Upper Receiver Features:

  • Last round bolt hold open mechanism
  • Accepts most AR15 compatible barrel nuts and handguards
  • Dimple above receiver threads provides a visual reference for proper handguard timing when needed
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum

APCS620001

Out of stock

Out of stock
Aero Precision Gen 2 Complete Lower Receiver w/ Magpul MOE & STR - BLK - LIMIT ONE

Aero Precision Gen 2 Complete Lower Receiver w/ Magpul MOE & STR - BLK - LIMIT ONE

This Aero Precision AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. The Enhanced Complete Lower features a Magpul MOE Grip, Magpul STR Stock and Billet Trigger Guard.
  • Aero Precision Standard Gen 2 Lower Receiver in Anodized Black
  • Magpul STR Stock
  • Magpul MOE Grip
  • Billet Trigger Guard
  • Lower parts kit
  • Receiver extension
  • AR15 carbine buffer and spring
  • These parts come assembled

APAR501112

Out of stock

Out of stock
Aero Precision Gen 2 Complete Lower Receiver w/ Magpul MOE Grip and Fixed Stock - BLK - LIMIT ONE

Aero Precision Gen 2 Complete Lower Receiver w/ Magpul MOE Grip and Fixed Stock - BLK - LIMIT ONE

This Aero Precision AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. The Enhanced Complete Lower features a Magpul MOE Grip, Fixed Carbine Stock and Billet Trigger Guard.
  • Aero Precision Standard Gen 2 Lower Receiver in Anodized Black
  • Fixed (non-telescoping) Carbine Stock
  • Magpul MOE Grip
  • Billet Trigger Guard
  • Lower parts kit
  • AR15 carbine buffer and spring
  • These parts come assembled

APAR501133

Out of stock

Out of stock
Aero Precision Gen 2 Pistol Complete Lower Receiver w/Magpul MOE Grip  - BLK - LIMIT ONE

Aero Precision Gen 2 Pistol Complete Lower Receiver w/Magpul MOE Grip - BLK - LIMIT ONE

This Aero Precision AR15 Pistol Complete Lower Receiver is the perfect base for your custom AR15 pistol build. This complete lower features a Magpul™ MOE Grip and our Gen 2 Lower Receiver.

Includes:

  • AR15 Stripped Gen 2 Lower Receiver - Anodized Black
  • Magpul™ MOE Grip - Black
  • Billet Trigger Guard w/ Logo - Anodized Black
  • Standard Lower Parts Kit
  • Enhanced Pistol Receiver Extension
  • AR15 Carbine Buffer and Spring
  • Parts Come Assembled

APAR501124

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 Builders Kit w/ 15" Atlas S-ONE - Midnight Haze

Aero Precision M4E1 Builders Kit w/ 15" Atlas S-ONE - Midnight Haze

The September Builder set is here, featuring a Midnight Haze finish by Nevada Cerakote. This month’s finish includes a black Cerakote base with a grey laser engraved “haze” pattern. This finish is subtle yet maintains a unique and eye-catching texture that really pops. Get one of these limited Builder Sets before they are gone!

This package deal includes the finished pieces you need to assemble your own Midnight Haze M4E1 Rifle, including an M4E1 Threaded Upper Receiver, M4E1 Lower Receiver and our ATLAS S-ONE Handguard all finished in Midnight Haze. Be the talk of the range with this unique camo pattern. Remember, this finish is available one time only and in limited quantities, so get it while you can!

Includes:

  • M4E1 Threaded Upper Receiver finished in Midnight Haze. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut.
  • 15" ATLAS S-ONE M-LOK Handguards finished in Midnight Haze (Mounting Kit Included)
  • M4E1 Lower Receiver finished in Midnight Haze

APCS100544

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 & STR - BLK

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

The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our M4E1 Lower Receiver and is upgraded to include a Magpul™ MOE Grip and STR Stock.

APAR600103

Out of stock

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

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

The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our M4E1 Lower Receiver and is upgraded to include a Magpul™ MOE SL Grip and SL Stock.

APAR600121

Out of stock

Out of stock
Aero Precision M4E1 Pistol Complete Lower Receiver MOE SL Grip, SBA3 Brace - BLK-LIMIT ONE

Aero Precision M4E1 Pistol Complete Lower Receiver MOE SL Grip, SBA3 Brace - BLK-LIMIT ONE

Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE SL Grip and an SB Tactical SBA3 Pistol Brace.

APAR600146

Out of stock

Out of stock
Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip, SBA3 Brace - BLK

Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip, SBA3 Brace - BLK

Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip and an SB Tactical SBA3 Pistol Brace.

APAR600168

Out of stock

Out of stock
Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip, SBA4 Brace - BLK

Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip, SBA4 Brace - BLK

Aero Precision M4E1 Pistol Complete Lower Receiver MOE-K2 Grip and an SB Tactical SBA4 Pistol Brace.

APAR6001157

Out of stock

Out of stock
Aero Precision M4E1 Rifle Complete Lower Receiver w/A2 Grip - BLK - LIMIT ONE

Aero Precision M4E1 Rifle Complete Lower Receiver w/A2 Grip - BLK - LIMIT ONE

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

Includes:

  • M4E1 Stripped Lower Receiver - Anodized Black
  • A2 Grip - Black
  • Mil-spec Lower Parts Kit
  • AR15 Rifle Receiver Extension
  • AR15 Rifle Buffer and Spring
  • These parts are installed
  • This complete lower does not include a stock. Save on your initial purchase and choose any stock you prefer.

APAR600114

Out of stock

Out of stock
Aero Precision M4E1 Upper/Lower Receiver Set - BLK

Aero Precision M4E1 Upper/Lower Receiver Set - BLK

Aero Precision M4E1 Upper and Lower receiver set for the AR15.

  • 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).
  • 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
  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks

APCS100177

Out of stock

Out of stock
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

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.