The Contract MG1 7:1 Mastic Gun is a no-nonsense, metal-framed applicator designed to handle low-viscosity sealants and adhesives with ease. Whether you're sealing joints, laying down silicone, or tackling general mastic work, this gun delivers smooth, consistent flow without the hand strain.
Features:
7:1 thrust ratio gives you solid pressure with minimal effort, ideal for longer jobs or thicker materials.
Sturdy metal frame means it won’t buckle under pressure. It’s built to last, even on tough sites.
Fits standard 400ml cartridges, so you’re good to go with most sealants straight off the shelf.
Lightweight and easy to handle, making it a great choice for both pros and DIYers who want reliable performance without the bulk.
Designed for use with any low viscosity materials such as silicone sealants.
Built in puncture tool and hook end for convenient storage.