Cast vs. Billet 6061-T6 vs. Forged 7075-T6
While researching what parts to purchase for your custom AR-15 build, you’re no doubt going to find references to ‘6061 vs 7075 aluminum.’ Aluminum has always been popular in the world of AR-15 parts. Due to its ease of fabrication, strength and corrosion resistance, most AR parts are machined from either 6061 or 7075 series…