Slugging the barrel means pushing a lead slug through the barrel then measuring the diameter of the slug with a micrometer, to see what size the barrel is.
In your case it is a waste of time. The 308 bullets will either shoot satisfactory, or they will not. Shooting them is the only way you will know.
Slugging the barrel means pushing a lead slug through the barrel then measuring the diameter of the slug with a micrometer, to see what size the barrel is.
In your case it is a waste of time. The 308 bullets will either shoot satisfactory, or they will not. Shooting them is the only way you will know.
thanks for the help guys i will try some 308s next weekend, i already already load 308s for my stevens so i already have everything i need.
H4831 and Why Not? got it right in my opinion. I've fussed and fuddled with slugging bores a handful of times and personally think it's a total waste for this scenario.
Load some .308 dia bullets in your 303 brass and just try the darn things.
I've tried in two rifles I own and the groups at 100 yards are just as good as with .311 bullets.
I don't switch expanders in my dies to do the job either - here's a simpler way - use a .308 win, or 30-06 or any other .308 dia set of dies to just neck size. No fussing with taking apart dies or anything. I use the proper shell holder for .303 british and my .308 win die to neck size/deprime (a few screws of the depriming pin adjusts the die to deprime and neck size), then throw in some powder and a .308 dia bullet and done is done.
H4831 and Why Not? got it right in my opinion. I've fussed and fuddled with slugging bores a handful of times and personally think it's a total waste for this scenario.
Load some .308 dia bullets in your 303 brass and just try the darn things.
I've tried in two rifles I own and the groups at 100 yards are just as good as with .311 bullets.
I don't switch expanders in my dies to do the job either - here's a simpler way - use a .308 win, or 30-06 or any other .308 dia set of dies to just neck size. No fussing with taking apart dies or anything. I use the proper shell holder for .303 british and my .308 win die to neck size/deprime (a few screws of the depriming pin adjusts the die to deprime and neck size), then throw in some powder and a .308 dia bullet and done is done.