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CUTTER
Cuts the spout of caulk tubes. The cutter on model 250 is the only one of its kind. -
HEAT TREATED DRIVE ROD
Drive rod has been heat treated to a proprietary hardness for increased strength and durability. -
LADDER HOOK
The dispenser either has a ladder hook built into the end of the push rod or comes with one to attach to it. -
POKER
Equipped with a poker to break the seal on the end of caulk tubes. -
ZINC CHROMATE
Zinc Chromate plated for increased life and protection from rust and pitting.
Description
The Newborn 315 is a heavy-duty ratchet rod caulking gun designed for high-volume dispensing of low-viscosity sealants. Featuring a 6:1 thrust ratio, it delivers smooth, controlled material flow for thin materials such as acrylics, latexes, and silicones. Built with a rugged zinc-chromate plated steel frame and reliable ratchet action, the 315 is well suited for professionals and DIYers handling larger sealing jobs that require larger 29 oz cartridges.
Key Features
6:1 Thrust Ratio for Thin Materials
The 6:1 thrust ratio provides balanced control and smooth extrusion for low-viscosity sealants without excessive force.
Ratchet Rod Cradle Design
The ratchet-style pressure rod maintains steady feed and minimizes back-off, helping ensure consistent bead application.
Zinc Chromate-Plated Steel Frame
Durable steel construction with corrosion-resistant plating delivers long-lasting performance in demanding environments.
29 oz (1/4 Gallon) Cartridge Capacity
Designed to hold larger cartridges, allowing longer run times and fewer reloads on high-volume jobs.
Built-In Seal Puncture Tool and Spout Cutter
Integrated tools allow for quick, clean cartridge preparation without additional accessories.
Ladder Hook for Convenience
A built-in ladder hook provides a convenient place to hang the gun when not in use.
Why Youโll Love It
The Newborn 315 delivers dependable, high-volume performance for thin sealants where control and consistency matter. With its balanced thrust ratio, rugged frame, and large cartridge capacity, itโs a reliable choice for extended sealing, maintenance, and construction applications.







