06-01-2017, 01:29 PM
"Small Base Dies
A Small Base Die is just another type of full-length sizing die, but one that is typically used when reloading for semi-automatic rifles, like the AR-15, M14, or AR-style .308 rifles. (It may also work well for bolt guns that need extra sizing on the lower section of the case.) A small base die works exactly like a full-length sizing die, only it compresses the brass just a bit more, usually about .001#8243; more, and may even push the case shoulder back just a hair. Small base dies give that extra bit of compression to the brass to help make sure the case will properly extract from a semi-automatic firearm. The upside is that you get precision handloads that should work flawlessly in your semi-automatic. The downside is case life is really shortened, especially compared to brass used only in one bolt-action rifle, because the brass is worked more."
Fra
http://bulletin.accurateshooter.com/2015/05/intro-to-full-length-dies-neck-sizing-dies-and-small-base-dies/
Dvs rettrækkere og halvautomater (uden camming-force fra et roterende bundstykke, lidt usikker på udtrykket) kan have gavn af genladning vha small base dies.
Mvh Pete
A Small Base Die is just another type of full-length sizing die, but one that is typically used when reloading for semi-automatic rifles, like the AR-15, M14, or AR-style .308 rifles. (It may also work well for bolt guns that need extra sizing on the lower section of the case.) A small base die works exactly like a full-length sizing die, only it compresses the brass just a bit more, usually about .001#8243; more, and may even push the case shoulder back just a hair. Small base dies give that extra bit of compression to the brass to help make sure the case will properly extract from a semi-automatic firearm. The upside is that you get precision handloads that should work flawlessly in your semi-automatic. The downside is case life is really shortened, especially compared to brass used only in one bolt-action rifle, because the brass is worked more."
Fra
http://bulletin.accurateshooter.com/2015/05/intro-to-full-length-dies-neck-sizing-dies-and-small-base-dies/
Dvs rettrækkere og halvautomater (uden camming-force fra et roterende bundstykke, lidt usikker på udtrykket) kan have gavn af genladning vha small base dies.
Mvh Pete