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Newborn

Newborn 315 Caulk Gun 29 oz Half Barrel Frame

SKU CH-T7SZ-W08Y7

A half-barrel frame caulk gun with a 6:1 thrust ratio for 29 oz cartridges, featuring a ratchet rod plunger and built-in ladder hook

  • 6:1 thrust ratio multiplies hand force for easier dispensing
  • 29 oz cartridge capacity suits large sealant containers
  • half-barrel steel frame resists flex under pressure
  • built-in ladder hook keeps gun secure on job sites
  • integrated puncture tool and spout cutter speed up cartridge prep

Product identity and intended user

The Newborn 315 is a half-barrel-frame caulk gun built for 29 oz cartridges. It suits professional contractors and serious DIYers who apply sealant or adhesive regularly and want a durable metal tool with integrated ladder hook, puncture tool and spout cutter.

Decisive specification: thrust ratio

The 6:1 thrust ratio determines how much force the trigger delivers to the plunger. This ratio is adequate for standard latex, silicone and acrylic cartridges, but heavier polyurethane or epoxy formulations may require a higher-ratio gun for smooth extrusion.

Behaviour under sustained load

The ratchet-rod plunger and zinc-chromate-plated barrel resist wear during long sealing runs. The metal frame dissipates heat from repeated trigger pulls, and the standard grip remains secure when hands are coated with residue, reducing fatigue on extended jobs.

Highlights

  • 6:1 thrust ratio multiplies hand force for easier dispensing
  • 29 oz cartridge capacity suits large sealant containers
  • half-barrel steel frame resists flex under pressure
  • built-in ladder hook keeps gun secure on job sites
  • integrated puncture tool and spout cutter speed up cartridge prep

Specifications

BrandNEWBORN

Questions about this item

How does the 6:1 thrust ratio affect dispensing force?

The 6:1 thrust ratio multiplies hand pressure six times, giving strong extrusion for thick sealants in a 29 oz cartridge.

What does the half-barrel frame mean for cartridge compatibility?

The half-barrel frame holds standard 29 oz cartridges securely while keeping the gun lightweight and easy to manoeuvre.

Will the zinc-chromate barrel fit my existing ladder hook?

The gun includes its own ladder hook, puncture tool and spout cutter, so no extra accessories are required.

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