Parts
LEE M4-1.79X14MM PHIL
Auto Bench Prime = This screw holds the Auto Bench Prime base together, 3 required.
Progressive presses = This screw gets installed in the hole that the spring installs on.
Part FP4184 for product AUTO BENCH PRIME (Code=90700), Pro 1000, Auto Breech Lock Pro, Pro 4000 Kits.