YHM Sidewinder M2 .45 ACP Suppressor .578×28 RH

The Yankee Hill Machine Sidewinder M2 is a .45 ACP suppressor with a .578×28 RH interface and a black Type III hardcoat-anodized finish. Its documented design uses an aluminum mono-core and outer tube with heat-treated 17-4 stainless-steel components. The suppressor is user serviceable for cleaning and maintenance.

Key Specifications

• The listed caliber is .45 ACP.
• The interface is listed as .578×28 RH.
• The diameter measures 1.375 inches.
• The listed weight is 9.4 ounces, with a separate listing of 10.6 ounces with piston.
• The mono-core baffle is made from 7075-T6 aluminum with Type III hardcoat anodizing.
• The outer tube uses 6061-T6 aircraft-quality aluminum.
• The piston, Nielsen sleeve, and blast baffle use heat-treated 17-4 PH stainless steel.
• The finish is black Type III hardcoat anodized.
• The design is listed as user serviceable and includes a disassembly tool according to the provided description.
• The reported average dry sound signature is 133 dB under the stated test conditions using a Glock G21 and 230-grain FMJ ammunition.

The Sidewinder M2 combines documented aluminum and stainless-steel construction with a serviceable mono-core layout and a redesigned booster system. Its 12 index points and removable components support maintenance and setup flexibility for compatible host configurations.