AR-15 Upper Receivers

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...

Flattop USA AR-15 upper receiver Black Powder Coated. This upper includes the forward assist & dust cover for your convenience. Forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances...

Flattop AR-15 upper receiver is forged from high-grade 7075 T6 aluminum for strength and durability, then final machined to USGI or better tolerances. This item is designed to be used for building a custom AR rifle. M4 feed ramp cuts ensure reliable...