Part 5:
Disassemble your mags and degrease everything with the brake cleaner.
Use the 320 grit paper and smooth up all the sharp edges, there is usually a sharp wire edge on many of the stamped edges, esp. the mag lips.
Slightly round the sharp corners here
Check the followers and make sure they slide smoothly and freely the full length of the mag body.
Disassemble your mags and degrease everything with the brake cleaner.
Use the 320 grit paper and smooth up all the sharp edges, there is usually a sharp wire edge on many of the stamped edges, esp. the mag lips.
Slightly round the sharp corners here
Check the followers and make sure they slide smoothly and freely the full length of the mag body.
