K+M PowerStroke Neck Expanding Mandrels for Press Adapters Size:.50 Calibre * Special Order 338 Lapua Mag

338 Lapua Mag

25-284 Win

523 Ballistic Coefficient G7 0

Optimal jacket wall thickness controls expansion and retains weight Open pocket under the polymer tip expands lead core instantly on impact Tuned ogive for industry-leading BC Boat tail design for stable flight and accuracy

K+M PowerStroke Neck Expanding Mandrels for Press Adapters Size:.50 Calibre * Special Order 338 Lapua MagK+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;