K+M PowerStroke Neck Expanding Mandrels for Press Adapters Size:.50 Calibre * Special Order These surfactants also effectively neutralize

These surfactants also effectively neutralize all corrosive residues preventing barrel damaging rust and corrosion

Note: Die is shown for illustrative purposes only

Made in USA and machined from aircraft-grade aluminium

523 Ballistic Coefficient G7 0

They’re designed to stack easily

K+M PowerStroke Neck Expanding Mandrels for Press Adapters Size:.50 Calibre * Special Order These surfactants also effectively neutralizeK+M PowerStroke Neck Expander Mandrels New brass isn't quite ready to neck turn when you buy it. And the commercial die manufacturers have no set standards for the expander button in their dies. Large variations from manufacturer to manufacturer make it necessary to properly size the inside diameter before turning. Don't be fooled by slick talk. The turning pilot cannot be used to correctly expand the case neck because of the elasticity of the brass;