Texas Gun Builders has many of the main parts used in our Upper Assemblies and our Complete Guns, made for us by US Manufacturers.
The same parts we use to assemble our Guns and Upper Assemblies are for sale here under the Texas Gun Builder name
AR 15 Enhanced 6 Position Butt Stock Mil-Spec US Made
This Anderson Stripped Upper Receiver is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver can be used with multiple calibers on the AR-15 platform.
Mil-Spec Bolt Carrier Group for .223 or 5.56
Nickle Boron Bolt Carrier Group
Incredibly Light Titanium Bolt Carrier Group - AR15/M16
AR-15 Buffer Spring / Action Spring