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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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Top AR-15 Kit Review 2025(Post)For firearm enthusiasts, AR-15 kits have become the best way to build a rifle tailored to individual preferences and shooting styles. These kits are a gateway to crafting a high-performance fir ...
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 ...
Discover the 16 5.56 NATO Cold Hammer Forged Rifle Build Kit(Post)16" 5.56 NATO Cold Hammer Forged Rifle Build KitThe 16" 5.56 NATO Cold Hammer Forged Rifle Build Kit from Black Rifle Depot comes with the Wraith 16" Cold Hammer Forged Upper complete with M16 Blac ...
Why You Need an AR 15 Complete Pistol Kit(Post)BRD’s 10.5" 5.56 NATO AR 15 Pistol KitThe 10.5" 5.56 NATO AR 15 Pistol Kit comes with everything need to finish your AR 15 lower receiver. This kit includes a complete 10.5" 5.56 NATO Pistol upper ...
Best AR-15 Starter Kit: Essential Accessories for Beginners(Post)Starting your journey with an AR-15 is both thrilling and overwhelming. The excitement of owning one of the world's most versatile and customizable rifles is often matched by the challenge ...
AR-15 Build Kits vs. Assembled AR-15s: Which is Best for You?(Post)The AR-15 has cemented itself as one of the most popular rifles among firearms enthusiasts, known for its adaptability, modular design, and performance across various applications. For newcomers a ...
Discover The Best AR 15 Lower Parts Kit For 2023(Post)Embarking on the journey to build your custom AR-15? Selecting the right Lower Parts Kit is one of the most crucial steps. In 2023, the market offers a variety of options from top brands like&nb ...
DIY Guide: How to Build an AR-15 or Choose the Right AR-15 Build Kit(Post)When optimizing your AR-15, choosing the right accessories can make all the difference. From improving performance to enhancing versatility and aesthetics, AR-15 accessories allow you to tailor ...
The Best Selling Lower Build Kits for 2022(Post)Every year we sell thousands of AR 15 lower parts kits. With many of them as part of AR 15 lower build kits. We thought that we should share our bestselling AR 15 lower build kits and explain why the ...
The FAB Defense GLR-16 AR 15 Lower Build Kit(Post)BRD’s FAB Defense GLR-16 AR 15 Lower Build KitThe FAB Defense GLR-16 AR 15 Lower Build Kit is a superb upgrade for your rifle. It provides you with enhanced versatility with its stock extension and ...
Top AR-15 Rifle Kits from 2024: Build Your Ultimate Rifle(Post)Building your AR-15 rifle can be one of the most rewarding experiences for gun enthusiasts. In 2024, an impressive lineup of rifle kits has emerged based on Black Rifle Depot’s top-selling product ...
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 ...
Essential Guide to AR-15 Lower Parts Kits: What Every Builder Should Know(Post)Selecting the right AR-15 lower parts kit is one of the most critical steps in building or upgrading your rifle. Whether assembling your first AR-15 or customizing your existing setup, choos ...
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 ...
The Complete Guide to AR-15 Lower Parts Kits: What You Need to Know (Post)When building or upgrading an AR-15, selecting the right lower Parts Kit is crucial to functionality and reliability. These kits include the essential components needed to complete your lower r ...
The Top 5 AR-15 Lower Parts Kits For Every Budget In 2025(Post)Building or upgrading an AR-15 rifle is a journey that requires careful consideration of each component, and one of the most critical pieces of the puzzle is the AR-15 lower parts kit. This ...
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 ...
Complete Vs. Custom AR-15 Lower Parts Kits: Which one Fits Your Build?(Post)AR-15 Lower Parts Kits: Complete Guide for Builders and Enthusiasts When building or upgrading your AR-15, choosing the right AR-15 lower parts kit (LPK) is critical to ensure optima ...
Best AR-15 Lower Parts Kits of 2025: AERO, BCM, and Other Leading Brands Compared(Post)The Importance of Choosing the Right Lower Parts Kit When building or upgrading an AR-15, the lower parts kit (LPK) is one of the most essential components to consider. These kits include critical ...
How to Choose a Quality AR-15 Lower Parts Kit: Essential Tips for Builders(Post)Choosing a high-quality AR-15 lower parts kit (LPK) is critical for anyone building or upgrading their rifle. With many options available, it’s essential to understand what to look for and ...
What to Consider When Choosing an AR15 Lower Build Kit(Post)Comparing AR 15 Lower Build Kits: Unraveling the DifferencesIn assembling AR-15s, it's critical to understand that not all lower-build kits are identical. Gaining insight into these kits' essent ...
Why ​Buying a Quality Lower Parts Kit Counts(Post)The Importance of a Quality Lower Parts Kit The importance of a high-quality lower-parts kit (LPK) in building an AR-15 rifle cannot be overstated. A lower parts kit consists of various components& ...
How to Install an AR-15 Lower Parts Kit: A Complete Guide for Beginners(Post)This how-to guide assists in installing an AR-15 lower parts kit, also known as an LPK, providing the necessary steps and tools for a successful assembly. An AR-15 lower parts kit is a collectio ...
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 ...
AR-15 Upper Build Kits(Page) Lightweight AR-15 Uppers(Page) AR-15 Complete Uppers(Page) AR-9 Upper Receivers(Page)- Product
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Bravo Company AR 15 Buffer Tube Kit
Bravo Company USA Inc.
MSRP: $65.00$60.95Bravo Company AR 15 Buffer Tube Kit The Bravo Company AR 15 Buffer Tube Kit is a true mil spec receiver extension manufactured from 7075-T6 aluminium with a flat black anodized finish. The receiver...MSRP: $65.00$60.95 -
Out of stock
APOC Armory Mil Spec Buffer Tube Kit
Apoc Armory
MSRP: $69.95$49.95APOC Armory Mil Spec Buffer Tube Kit The APOC Armory 6 position Mil Spec Buffer Tube Kit is machined with precision from 7075-T6 american made aluminium and is Type 3 Hardcoat Anodized. It comes...MSRP: $69.95$49.95 -
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 -
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 -
Out of stock
Ergo AR-15 Upper 5-PC Spring Replacement Kit 4611
Ergo Grips
MSRP: $6.99$6.25Ergo AR-15 Upper 5-PC Spring Replacement Kit ERGO's 5 Piece AR Upper Receiver Spring Replacement Kit. Top quality parts for your build. 5 Piece AR Upper Receiver Spring Replacement Kit includes the...MSRP: $6.99$6.25 -
Out of stock
Anderson Lower Build Kit
Anderson Manufacturing
MSRP: $109.95$84.95Anderson Lower Build Kit The Anderson AR 15 Lower Build Kit is a complete lower kit that provides all the necessary components to complete your AR-15 lower receiver. This kit includes a full...MSRP: $109.95$84.95 -
Out of stock
Aero Precision M4E1 MOE Lower Parts Kit Minus FCG
Aero Precision
MSRP: $55.00$47.95Aero Precision M4E1 MOE Lower Parts Kit Minus FCG Ready to build out a lower, but wanting to minimize spare parts that might tempt you into yet another build? The Aero Precision M4E1 lower parts kit...MSRP: $55.00$47.95 -
Out of stock
Aero Precision M4E1 MOE Lower Parts Kit
Aero Precision
$89.99 - $93.95Aero Precision M4E1 MOE Lower Parts Kit Aero Precision’s line of Lower Parts Kits featuring Magpul™ Grips is designed to be versatile for your needs. Each kit is available with MOE®...$89.99 - $93.95 -
SOPMOD Stock Kit - Black
Black Rifle Depot
MSRP: $109.40$69.95SOPMOD Stock Kit - Black The SOPMOD AR 15 Stock Kit from Black Rifle Depot is the ultimate upgrade solution for your AR 15. The kit comes complete with a top-of-the-line SOPMOD AR 15 Stock, designed...MSRP: $109.40$69.95 -
Out of stock
KAK Shockwave with Buffer Kit (FDE)
KAK Industry
$74.95KAK Shockwave with Buffer Kit (FDE) KAK Shockwave pistol brace is a great way to to add stability to your pistol build. The blade works by allowing the shooter to use it as a cheek rest or as a...$74.95 -
Out of stock
KAK Shockwave with Buffer Kit (Gray)
KAK Industry
$74.95KAK Shockwave with Buffer Kit (GREY) KAK Shockwave pistol brace is a great way to to add stability to your pistol build. The blade works by allowing the shooter to use it as a cheek rest or as a...$74.95 -
Out of stock
KAK Shockwave with Buffer Kit (OD Green)
KAK Industry
$74.95KAK Shockwave with Buffer Kit (OD Green) KAK Shockwave pistol brace is a great way to to add stability to your pistol build. The blade works by allowing the shooter to use it as a cheek rest or as a...$74.95 -
Out of stock
Magpul AR 15 Lower Build Kit w/AERO Precision Parts Kit
Magpul
$189.95Magpul AR 15 Lower Build Kit W/AERO Precision Parts The Magpul AR 15 Lower Build W/AERO Precision Parts kit comes with all the parts needed to complete your AR 15 lower receiver...$189.95 -
AR 15 Lower Build Kit
Black Rifle Depot
MSRP: $109.95$74.95AR 15 Lower Build Kit The AR 15 Lower Build Kit from Black Rifle Depot stands as the pinnacle of excellence for those keen on crafting or upgrading their AR 15 or related lower receiver...MSRP: $109.95$74.95 -
Out of stock
UTG PRO Mil-Spec 6-Position Extension Tube Kit
Leapers / UTG
MSRP: $44.97 - $59.97$37.97 - $54.97UTG PRO Mil-Spec 6-Position Extension Tube Kit Features 6-position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles Extension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with...MSRP: $44.97 - $59.97$37.97 - $54.97 -
Out of stock
CMMG A1 AR 15 Stock Kit
CMMG
$99.95A1 AR 15 Stock Kit The CMMG A1 AR 15 Stock Kit has the true retro look of the original M16A1 Rifle. These AR 15 Stock kits use a rifle length AR 15 Buffer Tube and Rifle length...$99.95 -
Omega AR-15 Lower Build Kit
Trinity Force
MSRP: $129.95$84.95Omega AR15 Lower Build Kit The Omega AR15 Lower Build Kit from Black Rifle Depot is the perfect solution for completing your AR 15 and variant lower receiver. With the Tacfire Omega...MSRP: $129.95$84.95 -
Rise Armament Oh S#!T Kit
Rise Armament
$15.99Rise Armament Oh S#!T Kit A smart backup kit packed with the most commonly lost AR-15 parts—magnetized, organized, and ready when you need it.Most spare kits come in a plastic bag you have to...$15.99 -
Out of stock
KAK Shockwave Lower Build Kit (Gray)
KAK Industry
MSRP: $143.95$124.95KAK Shockwave Lower Build Kit (GREY) This is a complete lower build kit for anyone looking to build themselves an AR 15 pistol. Kit Includes: Grey KAK Shockwave Blade 1.0 Mil-Spec...MSRP: $143.95$124.95 -
Out of stock
CMMG Pistol Receiver Extension Kit
CMMG
$64.95CMMG Pistol Receiver Extension Kit When you are thinking about building a new AR 15 pistol CMMG's Pistol Receiver Extension Kit is what you need to keep that lower receiver pistol compliant. CMMG...$64.95 -
Out of stock
HERA CCS AR 15 Lower Build Kit
Hera Arms
MSRP: $184.95$139.95HERA CCS AR 15 Lower Build Kit The HERA CCS AR 15 Lower Build Kit comes with all the parts needed to finish your AR 15 Lower Receiver. This AR 15 kit comes with the HERA USA CCS AR 15 Stock and...MSRP: $184.95$139.95 -
AR 15 Carbine Buffer Tube Kit
Black Rifle Depot
MSRP: $39.95$24.95AR 15 Carbine Buffer Tube Kit The AR 15 Carbine Buffer Tube Kit is an impeccable solution for completing your lower receiver with both efficiency and economy in mind! Crafted with lightweight and...MSRP: $39.95$24.95 -
Out of stock
SOPMOD Stock Kit - Gray
MSRP: $109.40$79.95SOPMOD Stock Kit - Gray The SOPMOD Stock Kit in Gray is the ultimate upgrade for your firearm. This kit includes everything you need to enhance the performance and customization of your weapon. The...MSRP: $109.40$79.95 -
Out of stock
KAK Shockwave Lower Build Kit (FDE)
KAK Industry
MSRP: $143.95$124.95KAK Shockwave Lower Build Kit (FDE) This is a complete lower build kit for anyone looking to build themselves an AR 15 pistol. Kit Includes: FDE KAK Shockwave Blade 1.0 Mil-Spec...MSRP: $143.95$124.95 -
Out of stock
Daniel Defense AR 15 Lower Parts Kit
Daniel Defense
$118.00Daniel Defense AR 15 Lower Parts Kit The Daniel Defense AR 15 Lower Parts kit comes complete and is compatible for AR 15 lower receivers. Features: 5.56/.223 Black Oxide Finish Mil-Spec...$118.00 -
Out of stock
KAK Shockwave Lower Build Kit (OD GREEN)
KAK Industry
MSRP: $143.95$124.95KAK Shockwave Lower Build Kit (OD GREEN) This is a complete lower build kit for anyone looking to build themselves an AR 15 pistol. Kit Includes: OD GREEN KAK Shockwave Blade 1...MSRP: $143.95$124.95 -
Mil-Spec Enhanced Carbine Buffer Kit
Black Rifle Depot
MSRP: $55.95$44.95Mil-Spec Enhanced Carbine Buffer Kit Durability, Precision, and Recoil Control—Built to Last The Mil-Spec Enhanced Carbine Buffer Kit is engineered for serious shooters looking to upgrade their...MSRP: $55.95$44.95 -
BLP AR-15 Lower Kit - No Stock
Budget Line Products
MSRP: $109.90$74.95BLP AR 15 Lower Kit - No Stock The BLP AR 15 Lower Kit is a complete package designed to improve the functionality of your AR 15 rifle's lower receiver. This kit includes a comprehensive BLP Lower...MSRP: $109.90$74.95 -
A2 Pistol Grip Kit for AR 15
Black Rifle Depot
MSRP: $7.95$5.95A2 Pistol Grip Kit for AR 15 Upgrade your AR 15 rifle or pistol with the A2 Pistol Grip Kit, complete with a mil-spec washer and a hardened allen head bolt. Made in the USA and designed to meet or...MSRP: $7.95$5.95 -
Out of stock
Anderson Manufacturing Lower Parts Kit (Stainless Trigger)
Anderson Manufacturing
MSRP: $59.99$46.95Anderson Manufacturing Lower Parts Kit (Stainless Hammer & Trigger) The Anderson Manufacturing AR15 lower parts kits comes complete and is available in both black and stainless...MSRP: $59.99$46.95 -
Out of stock
CMMG AR15 Premium Lower Parts Kit w/Ambidextrous Selector .223/5.56
CMMG
$74.95CMMG AR15 Lower Parts Kit .223/5.56 CMMG AR 15 lower parts kits are known throughout the gun industry for exceeding standards for a mil spec lower parts kit. CMMG AR 15 lower parts kits are...$74.95 -
MAGPUL CTR Lower Build Kit - OD Green
Magpul
MSRP: $189.95$159.95Magpul CTR® Lower Build Kit OD Green The Magpul CTR AR 15 Lower Build Kit from Black Rifle Depot is everything you need to complete your lower build project. The Magpul...MSRP: $189.95$159.95 -
SOPMOD AR-15 Lower Build Kit - Tan
Black Rifle Depot
MSRP: $149.95$99.95SOPMOD AR 15 Lower Build Kit - Tan Black Rifle Depot's SOPMOD AR 15 Lower Build Kit in Tan offers a lightweight design with a extended cheek weld for comfort. The snag free shape prevents...MSRP: $149.95$99.95 -
Out of stock
Spike's Tactical Enhanced AR 15 Lower Parts Kit - FDE
Spike's Tactical
MSRP: $181.00$169.95Spike's Tactical Enhanced AR 15 Lower Parts Kit - FDE If you're looking for the highest quality and most durable Lower Parts Kit on the market with all of the upgrades, look no further. The Spike's...MSRP: $181.00$169.95 -
Magpul MOE Lower Build Kit for AR-15 - FDE
Magpul
MSRP: $179.95$134.95Magpul MOE® Lower Build Kit for AR 15 (FDE) The Magpul AR-15 Lower Build Kit from Black Rifle Depot is everything you need to complete your lower build project. The...MSRP: $179.95$134.95 -
Out of stock
Armaspec AR Spare Parts Kit
Armaspec
MSRP: $15.99$15.95Armaspec AR Spare Parts Kit The Armaspec AR Spare Parts Kit contains common AR parts like springs and detents that are frequently lost or needed replacement. * Fits AR 5.56/.223 and AR 7.62/.308 *...MSRP: $15.99$15.95 -
JE4 AR-15 Lower Build Kit
JE Machine Tech
MSRP: $129.95$89.95JE4 AR 15 Lower Build Kit The JE4 AR 15 Lower Build Kit from Black Rifle Depot is the perfect solution for the lightweight and high-quality lower build. This kit includes a skeletonized...MSRP: $129.95$89.95 -
Out of stock
Timber Creek Outdoors Enforcer Build Kit (Black)
Timber Creek
MSRP: $749.99$699.95Timber Creek Outdoors Enforcer Build Kit - Black The Timber Creek Outdoors Enforcer Build Kit is prefect for building your custom AR 15. These kits are 100% American made in house by Timber Creek...MSRP: $749.99$699.95 -
Out of stock
Troy Industries AR 15 Lower Parts Kit
Troy Industries
MSRP: $140.00$129.95Troy Industries AR 15 Lower Parts Kit The Troy Industries Lower Parts Kit includes components needed to assemble a TROY Industries Lower Receiver or similar mil-spec lower receiver. The kit features...MSRP: $140.00$129.95 -
ALPHA AR-15 Lower Build Kit
Trinity Force
MSRP: $109.95$99.95ALPHA AR 15 Lower Build Kit The Alpha AR 15 Lower Build Kit manufactured by Trinity Force is a light weight AR 15 Stock made of a high quality polymer. It has a integrated rubberized cheek rest and...MSRP: $109.95$99.95
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
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
Armaspec SFT45/90 Ambi Safety Selector
Armaspec
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