The APW Expander Mandrel effectively smooths and gently expands the case neck, ensuring consistent neck tension. This method has proven to be the most straightforward approach to significantly reduce Extreme Spread (ES) and Standard Deviation (SD) figures.
The complete set includes:
224Cal
0.223
0.222
243 Cal (6mm)
0.242
0.241
264 Cal (6.5mm)
0.263
0.262
284 Cal (7mm)
0.283
0.282
30 Cal (308)
0.307
0.306
338 Cal
0.337
0.336

















































