Im with you on this, Companies dont paint guns.. why? because paint doesn't stop on alluminium very well, it will chip away very easily - and as le pig said - if any gets through the porting you might as well bin the barrell.Originally posted by Shades
With it being aluminium you will need to etch prime it first (not cheep) you cannot use normal primer; the paint will just peel off.
Practicality of spaying a barrel …. Zero
Barrel ends up in the bin or sent in for anodising …. 100%