Shop All - Firearm Accessories & Parts - AR15 Parts & Accessories - Upper Parts - Heart of Texas Armory

CMMG Inc.

CMMG Inc Barrel and BCG Kit - Radial Delayed Blowback System - 5.7X28MM, 16" Barrel Length, Black Finish, Fits AR Rifles

MSRP: $499.95

Was:

Now: $409.95

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Aero Precision

Aero Precision AR15 XL Stripped Upper Receiver - Anodized Black, Enlarged Port Door Opening for Big Bore Calibers

MSRP: $94.99

Was:

Now: $80.74

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CMMG Inc.

CMMG MK4 Upper Receiver - 223 Remington/556NATO, Billet 7075-T6 Aluminum, Cerakote Finish, Armor Black

MSRP: $139.95

Was:

Now: $129.95

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Geissele Automatics

Geissele Automatics URG-I Airborne Ambidextrous Charging Handle 5.56 - Black

MSRP: $130.00

Was:

Now: $116.00

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Geissele Automatics

Geissele Airborne Ambi Charging Handle 5.56 - Black, Fits AR 15

MSRP: $115.00

Was:

Now: $105.00

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Spikes Tactical

Spikes SED7003 Pirate Ejection Port Door - Fits AR-15s, Black Phosphate Steel

MSRP: $9.95

Was:

Now: $8.96

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Sig Sauer

Sig Sauer 8900447 716I Tread 3-Chamber Muzzle Brake Black 5/8"-24 tpi Threads for 7.62mm Thread Pattern

MSRP: $79.99

Was:

Now: $73.82

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Aero Precision

Aero Precision PRO Series Bolt Carrier Group - 5.56, Aero Logo, Black Nitride Finish

MSRP: $174.99

Was:

Now: $167.95

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Bravo Company USA / BCM

BCM 4URMK2 BCM MK2 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15

MSRP:

Was:

Now: $129.95

Out of stock
Odin Works

Odin Works Atlas 6.5 Muzzle Brake - 6.5MM or 6MM Calibers, 5/8-24 Threaded, Stainless Steel

MSRP: $99.00

Was:

Now: $94.05

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Odin Works

Odin Works 6.5 Grendel Bolt Carrier Group - Black Nitride, Type 2 Bolt Face

MSRP: $149.00

Was:

Now: $141.55

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CMMG Inc.

CMMG Banshee Upper Group - 9MM, 5" Barrel, Armor Black Cerakote Finish

MSRP: $949.99

Was:

Now: $799.99

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Radian Weapons

Radian Weapons Raptor Ambidextrous Charging Handle - 5.56MM, Red Finish

MSRP: $99.95

Was:

Now: $94.95

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Radian Weapons

Radian Weapons Raptor-LT Charging Handle and Talon Ambi Safety Combo - Black

MSRP: $109.95

Was:

Now: $104.45

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Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - Tungsten

MSRP: $139.95

Was:

Now: $132.95

Out of stock
Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - FDE

MSRP: $139.95

Was:

Now: $132.95

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Radian Weapons

Radian Weapons Raptor Ambidextrous Charging Handle - 5.56MM, Black Finish, BLEM (Finish Issues)

MSRP: $89.95

Was:

Now: $64.09

Out of stock
Radian Weapons

Radian Weapons Raptor Charging Handle for the Sig MCX - Black

MSRP: $99.95

Was:

Now: $94.95

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Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - Black

MSRP: $129.95

Was:

Now: $123.45

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Q

Q Sugar Weasel Upper Receiver Assembly - 300BLK, 13" Barrel, 1/2X28, Carbine Length Gas System, Black and Tan, Free Float M-LOK Rail, Adjustable Gas Block, Does Not Include Bolt Carrier Group

MSRP: $1,250.00

Was:

Now: $1,025.00

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F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - DLC Finish, Fits AR-15

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Rose Gold TiN Finish, Fits AR-15

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Gold TiN Finish, Fits AR-15

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Hard Chrome and Nitride Finish, Fits AR-15

MSRP: $275.00

Was:

Now: $254.38

Out of stock

CMMG Inc.

CMMG Inc Barrel and BCG Kit - Radial Delayed Blowback System - 5.7X28MM, 16" Barrel Length, Black Finish, Fits AR Rifles

Barrel and BCG Kit, 16.1" 4140CM, SBN, 5.7X28MM The 16.1” 5.7x28mm Barrel and BCG Kit is just the thing for building a carbine length AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike typical direct...

MSRP: $499.95

Was:

Now: $409.95

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Aero Precision

Aero Precision AR15 XL Stripped Upper Receiver - Anodized Black, Enlarged Port Door Opening for Big Bore Calibers

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications. Match this upper with one of our AR15 lower receivers for a solid and...

MSRP: $94.99

Was:

Now: $80.74

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CMMG Inc.

CMMG MK4 Upper Receiver - 223 Remington/556NATO, Billet 7075-T6 Aluminum, Cerakote Finish, Armor Black

Upper Receiver Assembly, Mk4/AR15, Forward Assist Whether it’s the classic style or forward assist functionality that piques your interest, the Mk4 AR15 upper receiver assembly has been a staple in the CMMG® lineup. Available in six different...

MSRP: $139.95

Was:

Now: $129.95

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Geissele Automatics

Geissele Automatics URG-I Airborne Ambidextrous Charging Handle 5.56 - Black

The Airborne Charging Handle (ACH), was originally developed at the request of an elite organization famous for its expertise in aerial insertion. Now adopted by USASOC and field tested in the most arduous environments,The USASOC ACH now features a roll...

MSRP: $130.00

Was:

Now: $116.00

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Geissele Automatics

Geissele Airborne Ambi Charging Handle 5.56 - Black, Fits AR 15

The Airborne Charging Handle is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless operation from either side of the weapon. The levers are dual contoured similar to that of the charging handle...

MSRP: $115.00

Was:

Now: $105.00

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Spikes Tactical

Spikes SED7003 Pirate Ejection Port Door - Fits AR-15s, Black Phosphate Steel

The Spike's Tactical Ejection Port Door is an easy and inexpensive way to personalize your AR-15. It is a Mil-Spec ejection port door constructed from stamped steel and it has a Mil-Spec phosphate coating. This model features a laser-engraved Pirate.

MSRP: $9.95

Was:

Now: $8.96

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Sig Sauer

Sig Sauer 8900447 716I Tread 3-Chamber Muzzle Brake Black 5/8"-24 tpi Threads for 7.62mm Thread Pattern

Contact us for a special coupon code! 3-chambered compensator manufactured specifically for the 716I TREAD to reduce recoil and muzzle rise with a 5/8x24 thread pitch. Will work with any other 7.62 rifles with a 5/8x24 thread pitch.

MSRP: $79.99

Was:

Now: $73.82

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Aero Precision

Aero Precision PRO Series Bolt Carrier Group - 5.56, Aero Logo, Black Nitride Finish

The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...

MSRP: $174.99

Was:

Now: $167.95

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Bravo Company USA / BCM

BCM 4URMK2 BCM MK2 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15

Forged from 7075T6, the BCM MK2 Upper Receivers retain a form following grain structure which maximizes achievable strength, the MK2 Upper Receiver retains all USGI components in assembly and works with all USGI bolt carriers, charging handles and barrel...

MSRP:

Was:

Now: $129.95

Out of stock
Odin Works

Odin Works Atlas 6.5 Muzzle Brake - 6.5MM or 6MM Calibers, 5/8-24 Threaded, Stainless Steel

When it comes to muzzle devices, ODIN Works brings true innovation with the ATLAS Compensator family. The ATLAS features a 3-piece modular design that makes installation simple and fast. The core and the cap are machined from 416R stainless steel and...

MSRP: $99.00

Was:

Now: $94.05

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Odin Works

Odin Works 6.5 Grendel Bolt Carrier Group - Black Nitride, Type 2 Bolt Face

As an essential part of any rifle, the ODIN Works 6.5 Grendel, Type 2 bolt face is Mil-Spec and comes with a Case Hardened 8620 Steel Black Nitride Finish. This advanced low friction coating minimizes the need for lubricants. 4130 Steel Gas Key attached...

MSRP: $149.00

Was:

Now: $141.55

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CMMG Inc.

CMMG Banshee Upper Group - 9MM, 5" Barrel, Armor Black Cerakote Finish

If you’re looking to build the most compact 9mm AR then look no further. CMMG®’s 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. Having more options is always better,...

MSRP: $949.99

Was:

Now: $799.99

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Radian Weapons

Radian Weapons Raptor Ambidextrous Charging Handle - 5.56MM, Red Finish

*CONTACT US FOR A SPECIAL COUPON CODE!* The Raptor is truly revolutionary in design & function. From rapid palm “blading” or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made in...

MSRP: $99.95

Was:

Now: $94.95

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Radian Weapons

Radian Weapons Raptor-LT Charging Handle and Talon Ambi Safety Combo - Black

*CONTACT US FOR A SPECIAL COUPON CODE!* The Talon safety and the Raptor charging handle are two products that are designed to work in tandem with each other. With each having industry leading improvements in performance, durability, functionality,...

MSRP: $109.95

Was:

Now: $104.45

Add to Cart
Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - Tungsten

*CONTACT US FOR A SPECIAL COUPON CODE!* The Talon safety and the Raptor charging handle are two products that are designed to work in tandem with each other. With each having industry leading improvements in performance, durability, functionality,...

MSRP: $139.95

Was:

Now: $132.95

Out of stock
Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - FDE

*CONTACT US FOR A SPECIAL COUPON CODE!* The Talon safety and the Raptor charging handle are two products that are designed to work in tandem with each other. With each having industry leading improvements in performance, durability, functionality,...

MSRP: $139.95

Was:

Now: $132.95

Add to Cart
Radian Weapons

Radian Weapons Raptor Ambidextrous Charging Handle - 5.56MM, Black Finish, BLEM (Finish Issues)

Designated "BLEM", this charging handle is still built to the standard of all Radian products! Only slight imperfections to the finish. Fully functional product! The Raptor™ is truly revolutionary in design & function. From...

MSRP: $89.95

Was:

Now: $64.09

Out of stock
Radian Weapons

Radian Weapons Raptor Charging Handle for the Sig MCX - Black

*CONTACT US FOR A SPECIAL COUPON CODE!* Introducing the Raptor-LT Ambidextrous Charging Handle for SIG MCX™. The patented Raptor provides improved ergonomics and functionality compared to the factory variants. Its ambidextrous design allows rapid...

MSRP: $99.95

Was:

Now: $94.95

Add to Cart
Radian Weapons

Radian Weapons Raptor Charging Handle and Talon Ambi Safety Combo - Black

*CONTACT US FOR A SPECIAL COUPON CODE!* The Talon safety and the Raptor charging handle are two products that are designed to work in tandem with each other. With each having industry leading improvements in performance, durability, functionality,...

MSRP: $129.95

Was:

Now: $123.45

Add to Cart
Q

Q Sugar Weasel Upper Receiver Assembly - 300BLK, 13" Barrel, 1/2X28, Carbine Length Gas System, Black and Tan, Free Float M-LOK Rail, Adjustable Gas Block, Does Not Include Bolt Carrier Group

You've asked for it and we've made you wait long enough. We're finally offering individual upper receiver assemblies. Designed as a replacement upper for your standard Sugar Weasel or for whatever Frankenstein build you can think of. These uppers come in...

MSRP: $1,250.00

Was:

Now: $1,025.00

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F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - DLC Finish, Fits AR-15

The F-1 Firearms DuraBolt Black Nitride direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to...

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Rose Gold TiN Finish, Fits AR-15

The F-1 Firearms DuraBolt Black Nitride direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to...

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Gold TiN Finish, Fits AR-15

The F-1 Firearms DuraBolt Black Nitride direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to...

MSRP: $275.00

Was:

Now: $254.38

Out of stock
F-1 Firearms

F-1 Firearms Durabolt .223 Remington/556NATO Bolt Carrier Group Assembly - Hard Chrome and Nitride Finish, Fits AR-15

The F-1 Firearms DuraBolt Black Nitride direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to...

MSRP: $275.00

Was:

Now: $254.38

Out of stock