Quartercircle 10, LLC renewed their lease and expanded to 3,600 square feet at 1101 W. Grant Rd., Suites 202-204 in Tucson from the Sloat Family Partnership, LLLP. Quartercircle 10 is a firearms manufacturer who specializes in pistol caliber AR15s. Stephen D. Cohen and Russell W. Hall, SIOR, GSCS, Industrial Specialists with Cushman & Wakefield | PICOR, represented the landlord and the tenant in this transaction.