1/2-28 UNEF Brand New High Quality HSS 2B Taper Tap Gunsmithing

Dorman 555-104 Steel Cup Expansion Plug - 34.3mm, (Pack of 10)

AR15 .223 Thread Protector, 1/2x28 Pitch, .750

1/2"-28 Threading Alignment Tool (TAT) Die Starter Barrel Guide for .22 / .223 - Gunsmithing

GreatLite 32024 3D Hi-Intensity Aluminum Flashlight, Black

Electronix Express AR-15 1/2" X28 Thread Steel Crush Washer (Pack of 5)

Vermont American 10486 15/32-Inch - 3/8-Inch Shank HSS Drill Bit

5/8-24 Threading Alignment Tool (TAT) Die Starter for .308 - Gunsmithing

1/2"-28 Threading Alignment Tool (TAT) Die Starter for .22 / .223 - Gunsmithing

Ultimate Arms Gear 1/2"-28 Right Hand Muzzle Threading Gunsmithing Adjustable High-Speed Steel Round Die 1/2X28 TPI