Amazon.com : Wheeler Gas Block Taper Pin Removal Tool for Tactical Sporting Rifles Gunsmithing Cleaning Rebuild and Maintenance, Black : Sports & Outdoors
GRAINGER APPROVED Taper Pin: Steel, Plain, 0.705 to 0.707 in Large End Dia., 0.621 in Small End Dia., 4 in Fastener Lg - 41LN07|U39002.706.0400 - Grainger
Steel Taper Pin, Plain Finish, Meets ASME B18.8.2, Standard Tolerance, #6 Pin Size, 0.341" Large End Diameter, 0.299" Small End Diameter, 2" Length (Pack of 10): Amazon.com: Industrial & Scientific