Description
The Area 419 Firearms ZERO S-Series Sizing Die is a precision bottleneck resizing die chambered for .300 Winchester Magnum, built to bring the ZERO die platform into a traditional 7/8″ thread format at a more accessible price point. Machined from 17-4 stainless steel and finished with a durable nitride coating, this sizing die is engineered for reloaders who want Area 419 quality and concentricity without stepping up to the larger 1-1/4″ M-Series thread format. The S-Series keeps a standard 7/8″ footprint, so it drops into virtually any reloading press equipped with a 7/8″ turret or bushing.
Sized specifically for the .300 Win Mag bottleneck case, the die restores fired brass back to factory-spec dimensions so cases can be trimmed, charged, and seated with consistent neck tension and shoulder set. The corrosion-resistant 17-4 stainless steel body is paired with a nitride finish that reduces wear and galling over thousands of cycles. Whether you are chasing long-range accuracy on a hunting rifle or running match-grade loads, the ZERO S-Series sizing die delivers the repeatable shoulder bump and concentric case geometry that high-end precision reloaders expect from the Area 419 brand.
Key specifications:
- Brand / Series: Area 419 Firearms ZERO S-Series
- Caliber: .300 Winchester Magnum
- Die Type: Sizing Die (bottleneck resizing)
- Thread / Body: Standard 7/8″
- Material: 17-4 Stainless Steel
- Finish: Nitride coating
- Dimensions: 6″ x 4″ x 3″









