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Aero Precision Upper Receivers | AERO Upper Receivers (Post)
Are Aero Precision Upper Receivers Different?One of the first things people ask when they hear about Aero Precision Upper Receivers is "are they made in the United States"? The simple answer i ...
How to Choose the Right ​AR-15 Upper Receiver(Post)Choosing the Correct AR 15 Upper Receiver For Your Needs:In the world of firearms and shooting enthusiasts, the AR-15 platform has long reigned supreme as a versatile and customizable firearm. From p ...
The Aero Precision Complete Upper Lineup(Post)Aero Precision has established itself as a leading manufacturer of high-quality AR-15 components, and its complete upper lineup is a testament to its commitment to excellence. In this ...
Best AR-15 Complete Upper On A Budget(Post)Building or upgrading an AR-15 can be exciting yet daunting, especially when working within a budget. Finding a high-quality, reliable, complete upper receiver without overspending can seem chal ...
Ultimate Guide to Choosing the best AR-15 Complete Upper(Post)Ultimate Guide to Choosing the best AR-15 Complete Upper The AR-15 platform is renowned for its versatility, allowing endless customization to fit various shooting needs. AR-15 complete upp ...
AERO Precision Complete Uppers: The Perfect Choice for Your Next AR-15 Build(Post)When upgrading or building an AR-15, choosing the suitable upper receiver is crucial to overall performance, reliability, and accuracy. AERO Precision Complete Uppers are widely recognized ...
Why to Buy a Pre-Assembled AR 15 Complete Upper(Post)For new builders, the number of choices available when it comes to designing an AR 15 are almost endless. To help make your decision easier, Black Rifle Depot is here to assist. We have a wide vari ...
What Are the Different Lengths of AR 15 Uppers?(Post)There are several ways to measure the length of an AR 15. Some prefer to classify length by the gas system. Others use the barrel length. Still, others prefer to organize length by AR 15 uppe ...
Step by Step Guide: Assembling Your Custom AR Upper(Post)Are you ready to take your AR-15 build to the next level? Assembling your custom AR upper can be a rewarding and educational experience. In this step-by-step guide, we'll walk you through the entire ...
Top 7 AR-15 Complete Uppers in 2025: Top Picks for Performance and Reliability(Post)When building a new rifle, your complete upper is critical in determining its performance and reliability. Whether you're a seasoned enthusiast or just starting your AR-15 journey, selecting a high-q ...
Choosing the Right AR-15 Upper Length for Defense or Hunting(Post)Choosing the right AR-15 upper length is critical when building or upgrading your rifle. Whether you prioritize quick maneuverability for home defense or long-range accuracy for hunting, barr ...
Aero Precision AR 15 Parts | AERO Precision(Post)Aero Precision Manufacturing started making aerospace parts before beginning to make AR components. Because they had been used to working under high demand conditions and delivering parts to exacti ...
M16 A1 Complete Upper: History, Specifications, and Modern Uses(Post)The M16 A1 Complete Upper is more than just a component; it's a piece of history that has evolved from its military roots to become a versatile tool for modern firearm enthusiasts. In this ...
The Best AR-15 Complete Upper Brands(Post)Choosing the right AR-15 complete upper is crucial for performance and reliability when building or upgrading your rifle. With so many brands on the market, finding the best one can be overwhelm ...
Exploring the Charles Daly AR 410 Complete Upper(Post)Shotgun Meets AR-15: Exploring the Charles Daly AR 410 Complete UpperIf you're looking for a firearm that combines a shotgun's best features with an AR platform's versatility and accuracy, look no fu ...
AR 15 Parts Guide For 2023 | AR 15 Parts List(Post)AR 15 Parts Guide For 2023Welcome to the AR-15 Parts Guide for 2023, where we dive into the exciting world of AR-15 customization and explore the top components to enhance your rifle's performan ...
Sons of Liberty Gun Works: Building America's Firearms(Post)Sons of Liberty Gun Works: Building America's Firearms, One Shot at a TimeSons of Liberty Gun Works is a premier San Antonio, Texas, firearms manufacturer. The company was founded in 2012 by two form ...
AR 15 Pistol or SBR from Black Rifle Depot(Post)The AR 15 platform can be built into a rifle or pistol. But there are some things to remember and consider before doing either. Here are the top things to keep in mind before you build an AR 15 Pis ...
Are AERO Precision Parts Worth It? Unpacking Quality, Performance, and Value(Post)Regarding AR-15 builds and upgrades, AERO Precision Parts has become one of the most reputable names in the firearms industry. Founded in 1994, this Tacoma, Washington-based company initiall ...
Building Your Dream Rifle: Exploring AR-15 Parts Kits(Post)When building or upgrading your AR-15, having the right AR-15 parts is crucial for performance and reliability. Our comprehensive blog on AR-15 Parts Kits breaks down everything you need ab ...
How to Pick Your Next AR 15 Charging Handle | from BRD(Post)AR 15 Charging HandlesAt first glance, an AR 15 charging handle looks like nothing more than a regular, rod-shaped object that doesn’t have much significance. Truth be told, the charging handle ...
AERO Precision AR-15 Accessories: Key Upgrades to Enhance Performance(Post)Upgrading your AERO Precision AR-15 with the best accessories and AR-15 parts can elevate your shooting performance to new heights. Whether you own an AERO Precision upper or a comple ...
Best AR 15 Parts And How To Identify Quality(Post)Introduction to AR-15 Parts The AR-15 platform is a highly adaptable and customizable rifle. Shooters widely favor it for its modular design and versatile applications, from recreational ...
AR-15 Cantilever Scope Mounts: Enhancing Accuracy & Precision(Post)If you want to unlock the full potential of your AR-15’s accuracy and precision, upgrading your AR15 Scope Mounts with a cantilever scope mount is a game-changer. Unlike standard mounts, ...
NFA Regulations for AR-15 Rifles: A Comprehensive Guide(Post)Navigating the complexities of NFA regulations is crucial for AR-15 owners to ensure their firearms comply with federal laws. The National Firearms Act (NFA) has specific rules that dictate how AR-15 ...
Strategies for Crafting a Lightweight AR 15(Post)Building a Featherweight Rifle: Strategies for Crafting a Lightweight AR 15 The AR-15 platform has become synonymous with versatility, reliability, and adaptability. It has become one of the most ...
How to Assemble an AR 15: A Step-by-Step Guide(Post)Introduction to AR-15 Assembly The AR-15 is one of the most popular and versatile firearms today, known for its modularity, accuracy, and reliability. Whether you're a firearm enthusiast, a ...
Design and Build Your Custom AR 15 on a Budget(Post)The Easiest Way to Build Your Own AR 15 Rifle or PistolIf you go to any off-the-shelf gun centers and buy an entry-level mil-spec AR15, you will likely end up with an A2 System. They often come sta ...
Common Issues with AR-15 Barrel Installation and How to Fix Them(Post)Installing a barrel on an AR-15 is crucial in building or upgrading your rifle. While it may seem straightforward, it’s an intricate process that demands precision and attention to detail. Even min ...
AR-9 Upper Receivers(Page) AR-15 Upper Receivers(Page) AR-10/.308 Upper Receivers(Page) Lightweight AR-15 Uppers(Page) AR-15 Complete Uppers(Page) AR-9 Complete Uppers(Page) AR-15 Upper Parts(Page) AR-15 Upper Build Kits(Page) AR-10/.308 Complete Uppers(Page)- Product
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Aero Precision M5 (.308) Stripped Upper Receiver
Aero Precision
MSRP: $190.00 - $210.00$158.95 - $176.95Aero Precision M5 (.308) Stripped Upper Receiver Precision Machined Upper for Your Big Bore .308 Build The Aero Precision M5 (.308) Stripped Upper Receiver is the perfect foundation for your next...MSRP: $190.00 - $210.00$158.95 - $176.95 -
On Sale
Aero Precision M4E1 Threaded Assembled Upper Receiver
Aero Precision
MSRP: $175.00 - $195.00$119.95 - $164.95Aero Precision M4E1 Threaded Assembled Upper Receiver The Aero M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers...MSRP: $175.00 - $195.00$119.95 - $164.95 -
M16A1 Stripped Upper Receiver
Dirty Bird Industries
MSRP: $129.95$119.95M16A1 Stripped Upper Receiver Finally get a quality, true-to-form reproduction M16A1 Upper Receiver for a fraction of the cost. These are machined from 7075-T6 forgings...MSRP: $129.95$119.95 -
Aero Precision Threaded Roll Pin - M4E1/M5E1 Upper Receivers & M5 Lower Receiver Bolt Catch
Aero Precision
MSRP: $10.00$8.15Aero Precision Threaded Roll Pin - M4E1/M5E1 Upper Receivers & M5 Lower Receiver Bolt Catch The Aero Precision threaded roll pin is used in multiple applications, including for the bolt...MSRP: $10.00$8.15 -
AERO Precision Assembled AR 15 Upper Receiver
Aero Precision
MSRP: $140.00$116.95AERO Precision Assembled AR 15 Upper Receiver Precision Machined and Ready to Complete Your AR-15 Build The AERO Precision Assembled AR-15 Upper Receiver is built for durability, reliability, and...MSRP: $140.00$116.95 -
Aero Precision AR-15 XL Assembled Upper Receiver - Anodized Black
Aero Precision
MSRP: $150.00$125.95Aero Precision AR-15 XL Assembled Upper Receiver - Anodized Black The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port, the XL Upper Receiver is your...MSRP: $150.00$125.95 -
Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote
Aero Precision
MSRP: $195.00$162.95Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec...MSRP: $195.00$162.95 -
Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 16"
Aero Precision
MSRP: $655.00$479.95Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 16" This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with a 16" 5.56...MSRP: $655.00$479.95 -
Centurion Arms CM4 5.56 Forged AR-15 Upper Receiver
Centurion Arms
MSRP: $115.00$109.95Centurion Arms CM4 5.56 Forged AR-15 Upper Receiver The Centurion Arms CM4 Forged AR-15 Upper Receiver is designed to be compatible with any Mil-Spec Lower. It is forged from 7075-T6 aluminum and is...MSRP: $115.00$109.95 -
Faxon Firearms Forged AR 15 Upper Receiver - Enhanced
Faxon Firearms
MSRP: $125.00$115.95Faxon Firearms Forged AR 15 Upper Receiver - Enhanced Faxon was never content to settle on mil-spec, so they manufactured enhancements directly into the receiver. The Enhanced Faxon Firearms...MSRP: $125.00$115.95 -
Daniel Defense MK18 RIII Upper Receiver Group
Daniel Defense
MSRP: $1,468.00$1,366.00Daniel Defense MK18 RIII Upper Receiver Group The MK18 AR15-style Upper Receiver Group is unmatched in size, weight, and performance, and features the new Daniel Defense RIS III rail. The lightweight...MSRP: $1,468.00$1,366.00 -
Foxtrot Mike Products MIKE-9 9mm Complete Upper Receiver - 7"
Foxtrot Mike
MSRP: $329.95$299.95Foxtrot Mike Products MIKE-9 9mm Complete Upper Receiver - 7" The FM Products MIKE-9 9mm Complete Upper Receiver with a 7-inch barrel is an ideal choice for your next pistol caliber carbine build...MSRP: $329.95$299.95 -
M16A1 Assembled Upper Receiver
Dirty Bird Industries
MSRP: $179.95$159.95M16A1 Assembled Upper Receiver Finally get a quality, true-to-form reproduction M16A1 Upper Receiver for a fraction of the cost. Building off of the popular stripped version of this Upper Receiver,...MSRP: $179.95$159.95 -
On Sale
Centurion Arms AR-15 CM4 Forged 5.56 Stripped Thermal Fit Upper Receiver
Centurion Arms
MSRP: $115.00Now: $99.95Was: $109.25Centurion Arms AR-15 CM4 Forged 5.56 Stripped Thermal Fit Upper Receiver Centurion Arms forged upper receivers are a great complement to their forged lower receivers. The thermal fit inner...MSRP: $115.00Now: $99.95Was: $109.25 -
Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black
Aero Precision
MSRP: $599.99$479.95Aero Precision M4E1 Threaded 18" .223 Wylde SS QPQ Complete Upper Receiver with 15" M-LOK ATLAS R-ONE Handguard - Anodized Black This complete upper features the best of the best, including a fluted...MSRP: $599.99$479.95 -
Aero Precision A3 Flattop Assembled Left-Handed Upper Receiver
Aero Precision
MSRP: $140.00$116.95Aero Precision A3 Flattop Assembled Left-Handed Upper Receiver The AR15 Left-handed Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6...MSRP: $140.00$116.95 -
Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group
Daniel Defense
$1,412.00Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group The MK18 AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and features the picatinny quad...$1,412.00 -
Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group
Daniel Defense
MSRP: $1,559.00$1,450.00Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group The DD4 RIII URG is built for durability and performance. It includes a Black RIS III 12.5-inch M-LOK rail, allowing for a variety of...MSRP: $1,559.00$1,450.00 -
VLTOR MUR Upper Receiver With Bolt Assist And Shell Deflector
VLTOR Weapons Systems
MSRP: $219.95$197.96VLTOR MUR Upper Receiver With Bolt Assist And Shell Deflector Upper Receiver is completely assembled and machined for M4 feedramps. The MUR was developed to fill the give the customer a Mil-Spec...MSRP: $219.95$197.96 -
Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group
Daniel Defense
MSRP: $1,468.00$1,366.00Daniel Defense MK18 RIII 5.56mm NATO Black Upper Receiver Group Daniel Defense's MK18 RIII Upper Receiver Group is a perfect start to a custom AR build. It comes equipped with a Cold Hammer Forged...MSRP: $1,468.00$1,366.00 -
Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine - DDC - 10.3"
Geissele Automatics
$1,410.00Geissele Automatics Duty AR-15 Complete Upper Receiver Carbine - DDC - 10.3" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele...$1,410.00 -
Dirty Bird ACCU-Wedge for AR-15 - Fixes Upper / Lower Receiver Slop
Dirty Bird Industries
MSRP: $5.95$4.95Dirty Bird ACCU-Wedge for AR-15 - Fixes Upper / Lower Receiver Slop Prevent Unwanted Movement Between the Upper and Lower Receiver A quick and easy way to improve the fit of your AR upper and lower...MSRP: $5.95$4.95 -
Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16"
Geissele Automatics
$1,410.00Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from...$1,410.00 -
Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized
Aero Precision
MSRP: $655.00$522.95Aero Precision M4E1-T Complete Upper, 16" 5.56 HBAR Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized This complete upper receiver includes an HBAR profile barrel that is laser marked "HBAR"...MSRP: $655.00$522.95 -
Daniel Defense M4A1 FSP FDE 5.56 NATO 14.5" Bbl Upper Receiver Group w/Pinned SureFire SF3P Flash Hider
Daniel Defense
MSRP: $1,566.00$1,457.00Daniel Defense M4A1 FSP FDE 5.56 NATO 14.5" Bbl Upper Receiver Group w/Pinned SureFire SF3P Flash Hider This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a...MSRP: $1,566.00$1,457.00 -
Slick Side Billet Receiver & M-LOK Handguard Combo
Black Rifle Depot
MSRP: $99.95 - $127.95$96.95 - $124.95Slick Side Billet Receiver & M-LOK Handguard Combo This Slick Side Billet Upper Receiver and M-LOK Handguard combo was designed and machined to match up beautifully together. It packs a multitude...MSRP: $99.95 - $127.95$96.95 - $124.95 -
Aero Precision .308 Winchester 16" M5 Upper
Aero Precision
MSRP: $780.00$609.99Aero Precision .308 Winchester 16" M5 Complete Upper The Aero Precision .308 Winchester 16" M5 Upper is a pre-assembled upper receiver designed to fit onto an AR-10 lower receiver and provide a upper...MSRP: $780.00$609.99 -
16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly
Black Rifle Depot
MSRP: $299.99$249.9516" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly Crafted for shooters who refuse to compromise on quality, the 16" 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly delivers...MSRP: $299.99$249.95 -
AERO Precision 16" AR 15 Upper W/A2 Front Sight - Black
Aero Precision
MSRP: $460.00$400.95AERO Precision 16" AR 15 Upper W/A2 Front Sight - Black Complete Your AR-15 Build with Aero Precision’s High-Quality Upper Receiver Start your AR-15 build right with the Aero Precision 16"...MSRP: $460.00$400.95 -
Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly
Stag Arms
MSRP: $139.95 - $154.99$129.95 - $149.95Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly The Stag Arms A3 upper receiver assembly is our very first Left-Handed upper receiver, available on ar15discounts.com. It is made to...MSRP: $139.95 - $154.99$129.95 - $149.95 -
Daniel Defense DD4 RISIII-S AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - FDE
Daniel Defense
MSRP: $1,412.00$1,359.95Daniel Defense DD4 RISIII-S AR-15 5.56 NATO Carbine 1:7 11.5" Complete Upper Receiver - FDE The Daniel Defense DD4 RISIII-S upper receiver is built for reliability and performance. Its 11.5-inch cold...MSRP: $1,412.00$1,359.95 -
Aero Precision AR-15 10.5" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine – Black
Aero Precision
MSRP: $435.00$376.95Aero Precision AR-15 10.5" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine – Black Get started on your new AR pistol build with this Aero Precision Barreled Upper Receiver. It features a...MSRP: $435.00$376.95 -
Kratos Design Group AR-15 A5 8-Position Receiver Extension Tube
Kratos Design Group
MSRP: $51.95$49.95Kratos Design Group AR-15 A5 8-Position Receiver Extension Tube The Kratos Design Group A5 Length Receiver Extension is a replacement buffer tube for AR-15/M16 rifles with mil-spec collapsible stocks...MSRP: $51.95$49.95 -
Aero Precision 10.5" .300 BLK M4E1 ATLAS-S AR-15 Complete Upper - Black
Aero Precision
MSRP: $615.00$527.95Aero Precision 10.5" .300 BLK M4E1 ATLAS-S Complete Upper - Black Aero Precision APAR700302M4: This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of...MSRP: $615.00$527.95 -
AR 15 Receiver Takedown Pin
Black Rifle Depot
MSRP: $3.95$3.75AR 15 Receiver Takedown Pin The OEM AR 15 Receiver Takedown Pin from Black Rifle Depot is Mil-Spec and constructed from steel that has a parkerized finish. Remember that Black Rifle...MSRP: $3.95$3.75 -
AR 15 Receiver Pivot Pin
Black Rifle Depot
MSRP: $3.99$3.75AR 15 Receiver Pivot Pin The OEM AR 15 Receiver Pivot Pin from Black Rifle Depot is a steel constructed, Mil-Spec receiver pin that has been parkerized for durability and longevity...MSRP: $3.99$3.75 -
Aero Precision M4E1 Threaded Assembled Upper Receiver - OD Green
Aero Precision
MSRP: $195.00$162.95Aero Precision M4E1 Threaded Assembled Upper Receiver - OD Green The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this...MSRP: $195.00$162.95 -
Aero Precision M5 6.5 Creedmoor Rifle M-LOK Complete Upper - Atlas R-ONE FDE - 20"
Aero Precision
MSRP: $895.00$764.95Aero Precision M5 6.5 Creedmoor Rifle M-LOK Complete Upper - Atlas R-ONE FDE - 20" Aero Precision M5 Barreled Uppers are changing the way you shoot large calibers out of a semi-automatic AR-10...MSRP: $895.00$764.95 -
Cross Machine Tool Ultra Precision Stripped AR-15 Billet Upper Receiver
Cross Machine Tool
MSRP: $209.00$198.00Cross Machine Tool Ultra Precision Stripped AR-15 Billet Upper Receiver Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited...MSRP: $209.00$198.00 -
On Sale
Assembled AR 15 Upper Receiver
Black Rifle Depot
MSRP: $99.95Now: $59.95Was: $77.95Assembled AR 15 Upper Receiver The Black Rifle Depot assembled AR 15 Upper Receiver comes with both the forward assist and dust cover installed. These AR 15 Upper Receivers are type three hardcoat...MSRP: $99.95Now: $59.95Was: $77.95
Featured
Rise Armament RA-140 Drop-in Trigger
Rise Armament
AR 15 Lower Build Kit
Black Rifle Depot
AO Precision C158 SP/HPT/MPI 5.56 Black Nitride Bolt Carrier Group
AO Precision
Upper Parts Kit for Glock 19
Black Rifle Depot
Upper Parts Kit for Glock 17
Black Rifle Depot
Rise Armament Extended Latch Charging Handle
Rise Armament
Lower Parts Kit for Glock 17
Black Rifle Depot
AR 15 Forward Assist
Black Rifle Depot
Lower Parts Kit for Glock 19
Black Rifle Depot
Strike Industries Billet Magazine Catch
Strike Industries
Surplus Complete Lower Parts Kit
Black Rifle Depot
Anderson Manufacturing Stripped AR 15 Upper Receiver
Anderson Manufacturing
Stainless Steel Gas Tubes
Black Rifle Depot
AR 15 Charging Handle
Black Rifle Depot
Strike Industries AR 15 Ultimate Dust Cover
Strike Industries
AR 15 Carbine Buffer Tube Kit
Black Rifle Depot
Strike Industries Forward Assist Kit (Black, Blue, FDE, Red)
Strike Industries
.750 Low Profile Gas Block - Black Nitride
Black Rifle Depot
Lower Parts Kit for Glock 17 Gen 3 - Adjustable Trigger
Black Rifle Depot
Black Nitride Gas Tube
Black Rifle Depot