The Lee Precision 300 Winchester Short Magnum Collet-Style Neck Sizing Die (brand part no. 91019) is Lee Precision’s collet-style neck sizing die for the 300 Winchester Short Magnum cartridge. It squeezes the case neck down with a collet instead of pushing it through a sizing ring, which sizes the neck without an expander ball pass or case lube. Handloaders reach for a die like this to keep ammunition dimensionally consistent from batch to batch, whether the goal is dependable hunting ammunition or the tight tolerances competition and precision rifle shooters need on the range.

Key Specifications

• Chambered specifically for 300 Winchester Short Magnum, machined to SAAMI-spec dimensions for that cartridge.
• 300 WSM is a short, fat magnum case designed to function through a standard-length (non-magnum) bolt action.
• Standard 7/8-14 threaded die body fits any single-stage or progressive press built to that thread.

Frequently Asked Questions

Does a collet neck die need case lube? No, a collet die works the neck from the outside with a collet, so it sizes without case lube or a separate expander ball pass.

What press does this die fit? It threads into any single-stage or progressive press built for the standard 7/8-14 die thread.

Buy the Lee Precision 300 Winchester Short Magnum Collet-Style Neck Sizing Die

Order the 300 Winchester Short Magnum collet-style neck sizing die from Lee Precision through a Lubbock, TX gun shop for fast, insured shipping to your bench. Browse more reloading dies from Schaefer Defense.