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Our rifle uppers use both US Made and imported hand guards but all other parts are guaranteed US Made.

Our pistol uppers use both US Made and imported hand guards, but all other parts are guaranteed US Made.

Most importantly we use only US Made Steel Gas Blocks on any model using a low profile "micro" gas block.

Texas Gun Builders supports our military troops and veterans, as well as law enforcement, with a 10% discount on all products.

Texas Gun Builders' upper assemblies are available in Flat Dark Earth, Burnt Bronze, and many other Cerakote and KG GunKote Colors, and are made from the highest quality materials and with the exception of using imported hand guards on some models... every other part is Made in the USA!

These uppers are not just assembled in Texas, several of the parts are made right here in Texas and Texas Gun Builders runs our own Cerakote and KG GunKote application facility.

So with the high-quality materials, meticulous workmanship & incredible pricing you can't go wrong.

We use Anderson Manufacturing flat top Mil-Spec upper receivers with M$ feed ramps, forged and then CNC Machined from 7075-T6 Aluminum, providing you with the hardest and most durable material of any upper receiver!

The barrels are made from 4150 Gun Quality Parkerized Chrome-Moly Steel, Heat or 416R stainless steel and Treated to RC 28-32 Hardness, and Stress Relieved! The barrels are incredibly accurate and durable.

The gun builders at Texas Gun Builders have over 40 years combined experience, led by an ex-Army Armorer. Our uppers are torqued to military specs & quality checked continuously.

These upper assemblies are available with or without the BCG and Charging Handle and ready to drop it onto your AR-15 Lower... or have us supply the lower.

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AR-15 FDE Upper Assembly - 16in / .223 | 5.56 / 1:8 / 9in TGB Flat Dark Earth AR-15 Quad Rail / M4 Base Model

.223 Wylde AR-15 Upper Assembly in Flat Dark Earth with a 16 inch Chrome-Moly barrel, shoots .223 rem and 5.56 NATO ammunition. Bolt Carrier Group, “BCG”, and Charging Handle ARE INCLUDED
$362.00 $377.00

AR-15 FDE Upper Assembly - 16in / .223 | 5.56 / 1:8 / 9in TGB Flat Dark Earth AR-15 Quad Rail / M4 Base Model / No BCG

.223 Wylde AR-15 Upper Assembly in Flat Dark Earth with a 16 inch Chrome-Moly barrel, shoots .223 rem and 5.56 NATO ammunition. Bolt Carrier Group, “BCG”, and Charging Handle ARE NOT INCLUDED
$267.00

AR-15 FDE Upper Assembly - 16in / 2.23 | 5.56 / 1:8 / 12in TGB M-LOK FDE AR-15 Handguard / M4 Choices

.223 Wylde AR-15 Upper Assembly in Flat Dark Earth with a 16 inch Chrome-Moly barrel, shoots .223 rem or 5.56 NATO ammunition
From $267.00

AR-15 FDE Upper Assembly - 16in / 300 Blackout / 1:8 / 12in TGB M-LOK FDE AR-15 Handguard / Rail with M-LOK Rail Attachment

300 AAC Blackout AR-15 Upper Assembly in Flat Dark Earth with a 16 inch Chrome-Moly barrel. Includes BCG & Charging Handle
$387.00 $399.00

AR-15 FDE Upper Assembly - 16in / 300 Blackout / 1:8 / 12in TGB M-LOK FDE AR-15 Handguard / Rail with M-LOK Rail Attachment / NiB Upgrade

300 Blackout Chrome-Moly AR-15 Upper Assembly in FDE, includes NiB BCG & Charging Handle
$416.00 $432.00

AR-15 FDE Upper Assembly - 16in / 300 Blackout / 1:8 / 12in TGB M-LOK FDE AR-15 Handguard Choices

300 Blackout Chrome-Moly AR-15 Upper Assemblies in FDE
From $287.00

AR-15 OD Upper Assembly - 16in / .223 | 5.56 / 1:8 / 12in TGB M-LOK OD AR-15 Handguard / Rail with M-LOK Rail Attachment

.223 Wylde AR-15 Upper Assembly in Olive Drab with a 16 inch Chrome-Moly barrel, shoots .223 rem or 5.56 NATO ammunition Includes BCG & Charging Handle
$377.00 $387.00

AR-15 Upper Assembly - 16in / .223 | 5.56 / 1:8 / 12in TGB M-LOK AR-15 Handguard / Rail with M-LOK Rail Attachment

.223 Wylde Chrome-Moly AR-15 Complete Upper in With BCG & Charging Handle
$357.00

AR-15 Upper Assembly - 16in / .223 | 5.56 / 1:8 / 9in TGB AR-15 Quad Rail / M4 Base Model

.223 Wylde AR-15 Upper Assembly in Black with a 16 inch Chrome-Moly barrel, shoots .223 rem and 5.56 NATO ammunition. Bolt Carrier Group, “BCG”, and Charging Handle ARE INCLUDED
$347.00
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Min: $219.00 Max: $487.00
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