The ABI Tactical Tac-15 receiver starts as a true 7075-T651 forged lower from one of the lead forges in the United States. The Tac-15 receivers are fully machined, leaving no flash marks from the forgings. Each pieace is held to tight tolerances to ensure the highest level of reliability and accuracy. The magazine wells are broached to give an excellent finish on the magwell. Receivers have pictograms on both the left AND right side. Make the ABI Tactical receiver the heart of your next AR build!