Upper Parts

Armaspec

Armaspec Mid Length Gas Tube - Fits AR-15/10, Silver

VKTR Industries

VKTR Industries VK Combat Match Bolt

The VK Combat Match Bolt offers unyielding combat reliability with the finesse, precision and accuracy of a match prepared part. Specifically designed for the greatest accuracy potential possible...

VKTR Industries

VKTR Industries Complete Bolt Carrier Group - Hard Chrome, 223/556NATO, Full-Auto Rated

The VKTR precision machined one-piece bolt carrier has a patented long advance cam path which ensures the bolt unlocks at 22.5 degrees, thus correctly timing the locking and unlocking, allowing an...

Sons of Liberty Gun Works

Sons of Liberty Gun Works East India Starter Kit - 14.5" Complete Upper Receiver, 556NATO, 14.5" Barrel, Mid Length Gas System

East India Starter Kit The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, this is a great way to finish assembling your own upper...

Spikes Tactical

Spikes SED7900 Ejection Door Installation Kit - Black

The Spike's Tactical Ejection Door Install Kit includes the pieces you need to install one of the engraved Ejection Port Doors onto your stripped upper receiver. It comes with the ejection port door...

Spikes Tactical

Spikes SED7002 Ejection Port Door USA/Flag - AR-15 Compatible, Black Phosphate Steel

The Spike's Tactical Laser Engraved Ejection Port Doors are an easy and inexpensive way to personalize your AR-15. With so many choices available, it will take you longer to choose than it will to...

Strike Industries

Strike Industries Stamped Dust Cover for AR-15 - Black Steel

The Strike Industries Stamped Dust Cover for AR-15 is a perfect fusion of classic Mil-Spec design and contemporary SI style. The popular first-in-market innovation Quick Detach (QD) SI Ultimate Dust...

Strike Industries

Strike Industries Ultimate Dust Cover for .223/5.56 - TEXAS EDITION, Black

The Strike Ultimate Dust Cover (UDC) enables users to attach and detach the cover in seconds with ease! This is a huge improvement over the traditional mil-spec dust covers which often require...

Strike Industries

Strike Industries Ultimate Dust Cover for .223/5.56 - TEXAS EDITION, Flat Dark Earth

The Strike Ultimate Dust Cover (UDC) enables users to attach and detach the cover in seconds with ease! This is a huge improvement over the traditional mil-spec dust covers which often require...

Maxim Defense

Maxim Defense PDX U.R.G Complete Upper - 556NATO, 5.5", Black

**The Maxim PDX U.R.G ships with your choice of a Standard Mil-Spec BCG to be used with most common M4 compatible lowers, or a PDX/SCW compatible BCG buffer and Spring.  The Maxim Defense PDX™ U.R.G...

Maxim Defense

Maxim Defense PDX U.R.G Complete Upper - 556NATO, 5.5", Flat Dark Earth (Arid)

**The Maxim PDX U.R.G ships with your choice of a Standard Mil-Spec BCG to be used with most common M4 compatible lowers, or a PDX/SCW compatible BCG buffer and Spring.  The Maxim Defense PDX™ U.R.G...

Faxon Firearms

Faxon Firearms 5.56NATO Chameleon PVD Bolt Carrier Group - Fits AR-15, Titanium Nitride PVD Coated Bolt Carrier and Gas Key, Gold, Rainbow PVD Finish

Seeing "MIL-SPEC" as just the starting point, we set out to ensure the best options are available for our demanding customers.Improvements include using 9310 tool steel for the bolt, nitriding the...

Faxon Firearms

Faxon Firearms 5.56NATO TiN Bolt Carrier Group - Fits AR-15, Titanium Nitride PVD Coated Bolt Carrier and Gas Key, Gold, Salt Bath Nitrided Bolt

Seeing "MIL-SPEC" as just the starting point, we set out to ensure the best options are available for our demanding customers.Improvements include using 9310 tool steel for the bolt, nitriding the...

Ultradyne USA

Ultradyne Quantum Adjustable Gas Block - .750", Black Nitride Finish

The UD Gas Block allows you to custom tune a rifles performance to a specific rifle and ammunition combination.  Having a gas block adjusted precisely allows the bolt carrier group to cycle only...

Faxon Firearms

Faxon Firearms 5.56NATO M16 Bolt Carrier Group - 5.56NATO, Fit AR-15, Salt Bath Nitride Finish, Black

The Faxon 5.56 M16 Bolt Carrier Group, Nitride is a high-performance and reliable upgrade for your AR-15 rifle. This bolt carrier group is designed for optimal performance and is made from...

Faxon Firearms

Faxon Firearms 6.5 Grendel Bolt Carrier Group - Black Nitride, Type 2 Bolt Face

Seeing "MIL-SPEC" as just the starting point, we set out to ensure the best options are available for our demanding customers.Improvements include using 9310 tool steel for the bolt, nitriding the...

Luth-AR

Luth-AR A2 Stripped Upper Receiver with Carry Handle - UR-A2-S

Luth-AR® A2 Stripped AR-15 Upper Receiver – Precision 7075-T6 Aluminum Forging – Integrated Classic Carry Handle – Matte Black Hardcoat Anodized with Teflon Coating – UR-A2-S Product Description The...

Aero Precision

Aero Precision AR15 BREACH Ambi Charging Handle w/ Large Lever - Kodiak Brown/Black

The Aero Precision BREACH® is a rugged, ambidextrous, precision-manufactured charging handle for the AR15 platform. The BREACH's design utilizes a reinforced 7075-T6 aluminum bar that is up to the...

American Tactical Inc.

ATI Alpha Max .410 Upper Shotgun GEN3 Kit - .410 Ga, 3", 18.50" Barrel, Includes 5rd Mag, 410 Buffer, and Flip-Up Sights

This ATI Alpha Max .410 Upper Shotgun Conversion Kit is designed to convert your existing 5.56 or .223 caliber AR-15 into a 410 GA semi-automatic shotgun. This conversion provides you with a...

Anderson Manufacturing

Anderson Manufacturing B2K630AB000P Bolt Carrier Group 223 Rem, 5.56x45mm NATO - 8620 Steel Carrier, 9310 Steel Bolt, Nickel Boron Finish, M16 Style Full Auto Rated

The M16 5.56 /.223 / .300 AAC Complete Bolt and Carrier Group is Nickel Boron coated and Chrome Lined. The 223 Bolt and Bolt Carrier Assembly comes complete with Cam Pin, Fir

Spikes Tactical

Spikes SFT50M4 Flat Top Stripped Upper Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for M4 Platform

Spike's Tactical M4 flat top upper receiver is the same high quality M4 Mil-Spec upper used on their factory builds. This forged upper is constructed of 7075 T6 aluminum with a durable Type III...

Aero Precision

Aero Precision APAR611310AC Assembled XL Receiver 7075-T6 Aluminum Black Anodized Receiver for AR-15

The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port. The XL Upper Receiver is your best choice when you're planning a build to send big rounds down...

Aero Precision

Aero Precision APAR700201C M4E1 Threaded Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15

The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR-15 barrel nut and forged...

Sons of Liberty Gun Works

Sons Of Liberty Gun Works UPPERSTRIPPED M4 Stripped Upper Receiver Black Anodized Aluminum, Fits Mil-Spec AR-15

The Sons of Liberty Gun Works stripped upper receivers are made to the tightest tolerances while still being compatible with Mil-Spec parts and upper receivers. This ensures that there is absolutely...