The J. Dewey ABS-4S is an adjustable bore saver rod guide designed for use when cleaning scoped rifles chambered in .338 to .358 calibers. It provides a sealed interface between the cleaning rod and the rifle chamber to reduce solvent ingress into the receiver. The unit features an anodized aluminum guide tube, an adjustable locking collar with a brass pin, and O-rings to maintain a chamber seal during maintenance. Its 10 inch overall length makes it suitable for use with a variety of cleaning rods and bore access needs.
Key Specifications
- Model designation is ABS-4S.
- Compatible with calibers .338-.358.
- Overall length is 10 inches.
- Guide tube material is anodized aluminum and includes a solvent port.
- Features an adjustable aluminum locking collar with a brass pin.
- Includes O-rings to seal the chamber and keep solvents and oils out of the receiver.
- Designed to replace the bolt during cleaning operations.
- Fits rifles with .695-.700 inch bolt diameters.
- Intended for use with scoped rifles.
This ABS-4S rod guide is a straightforward, service-focused accessory for routine bore maintenance. Its construction and sealing features help contain solvents and provide a stable, centered path for cleaning rods, reducing wear on the bore and minimizing chamber contamination. For shooters who perform regular maintenance on scoped rifles in the .338 to .358 caliber range, the ABS-4S offers a purposeful, no-nonsense solution to improve cleaning consistency and protect the receiver area during solvent use.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
