Magnum Precision Gunsmithing 7 years ago ID: #4865 Listed In : Sports 3828 N 28th Avenue , Phoenix. AZ, USA 85017 (602) 200-0943 Business Description Magnum Precision Gunsmithing, Address : 3828 N 28th Avenue , Phoenix. AZ, USA 85017, Phone : (602) 200-0943 Reviews & Ratings Write a Review No Review. Please login / register to add your review.