Maxim Defense Industries MS-45 45 Cal 1.375″ Suppressor

Description

The MS:45 is a modular suppressor designed for .45-caliber pistols and pistol-caliber carbines (PCCs), configurable in short or long layouts to suit the application. Construction combines a 17-4 stainless steel core with a 7075 aluminum outer tube for a balance of durability and reduced weight. The unit ships with a .578 x 28 piston and is finished with a DLC coating for wear resistance. It is serviceable with common garage tools and is rated to function across typical pistol and PCC rates of fire.

Key Specifications

• The caliber is .45.
• The mount ships with a .578 x 28 piston.
• The outer diameter is 1.375 inches.
• The short configuration length is 6.53 inches.
• The long configuration length is 8.64 inches.
• The short configuration weight is 10 oz.
• The long configuration weight is 12 oz.
• The core material is 17-4 stainless steel with a 7075 aluminum tube.
• The finish is DLC (diamond-like coating).
• Designed for use on pistol and PCC platforms with no barrel length restrictions.

Built for shooters who want modularity and straightforward maintenance, the MS:45 pairs a stout stainless core with a lightweight aluminum tube to keep handling nimble without sacrificing service life. The configurable short and long layouts, simple field disassembly, and durable DLC finish make it a practical choice for range work and PCC setups—yinz’ll appreciate how practical and well-engineered it feels on the gun.

Just a heads up, n’at: some of the product descriptions on our site are created or assisted by AI. We do our best to make sure everything’s accurate, but every now and then the info might be a little off—kinda like tryin’ to find parking on the South Side on a Friday night.

Details like specs, features, pricing, or availability might not always be perfect, so yinz should double-check anything important before buyin’.

If yinz spot somethin’ that doesn’t look right, give us a shout and we’ll fix it up quicker than a Primanti’s sammich disappears at lunchtime.

This is a regulated item and must be sent to an FFL but can be shipped direct to door for PA residents ONLY.

See our Policies for more information.