STI International

Full stocking line distributor for all STI parts and accessories.


Muscrat Custom is the Victorian distributor for Top Score Projectiles, and carries a multitude of configurations and calibres.


‘Rat Slick’ Muscrat Custom’s own formula for high performance competition pistols.  Stays where you put it for longer, will not evaporate or run off, retards wear and keeps your investment running smoothly.


Muscrat Custom branded pistol rugs and magazine carry cases. All rugs and carry cases are made from hard wearing Cordura with pistol rugs padded to protect your pistol.


After market grips for Smith & Wesson revolvers, 1911 model semi auto’s and STI 2011.

Base pads

Muscrat Custom magazine base pads in various colours.

Scopes and Mount

C-More (Click switch) scopes in various colours
Scope mounts for C-More and weaver rail configurations.


Arrendondo followers and mag brushes.
STI and Metalform magazines.


Muscrat Custom branded caps and T-Shirts.

If what your looking for is not listed please contact for more information on specific or special need items.