Lee Collet Neck Die Set with Shellholder 7x57mm Mauser

Lee Collet Die Set W/Shellholder For 7X57 Mauser. Cases last ten times longer when necks are aligned properly. The collet squeezes the case neck against a precision mandrel and reduces run-out - thus increasing accuracy. Cases last up to ten times longer when collet squeezes the case neck against a precision mandrel. There is very little stretch or deformation. A case neck expander is an expander die that expands the case neck - expanding the casing mouth - against a precision mandrel. This expands the case neck just enough to provide perfect bullet/gaseous mixtures for in-line sizing with dead length seating. There is very little stretch or deformation. With piston type bullets seated in with a collet squeezed against a precision mandrel for perfect bullet/gaseous mixtures. The shell holder that comes with the Lee Collet Die Set is the Lee patented Lee Neck Alignment Die. This die set uses a collet to squeeze the case neck against a precision mandrel for perfect bullet/gaseous alignment and seating of the bullet/gaseous mixture. The shell holder is the piece all Lee reloaders swear by. Specifications for Lee Collet Die Set W/Shellholder For 7X57 Mauser 90714: Manufacturer: Lee Caliber: 7x57mm Mauser Additional Features: Collet Rifle Die Set w/Shellholder Gun Type: Rifle Package Contents: Lee Collet Die Set W/Shellholder For 7X57 Mauser 90714 The Lee Collet Die Set W/Shellholder For 7X57 Mauser 90714 is a quality addition to the Lee Precision lineup. For more great deals on Rifle Reloading Dies by Lee Precision please browse our Lee Reloading Equipment page. Lee Collet Die Set W/Shellholder For 7X57 Mauser 40623