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Yankee Hill Machine Co Sidewinder
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Yankee Hill Machine Co

Sidewinder

$674.95
$569.00
Sale Price
Available California compliant

Yankee Hill Machine Co Sidewinder M2, Suppressor, 45 Cal, .578X28, Steel , Black YHM-2070-28

Key Details
Brand Yankee Hill Machine Co
Manufacturer Part Number YHM-2070-28
UPC 841812101659
SKU YHM-2070-28
Current Stock 26 available
Quantity Updated Jun 17, 2026 6:38 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The booster system has been completely redesigned and now uses the industry's unofficial standard piston. The redesign also includes the ability to swap pistons without the use of tools thanks to a new rear cap. The front cap has been redesigned to allow for better engagement with the takedown tool to make the service process easier. The Sidewinder M2 is user serviceable which allows both the baffle and Nielsen device to be removed for cleaning and maintenance using the provided disassembly tool. The Nielsen piston (device) enables flawless semi-automatic operation on all relevant host pistols. The Sidewinder M2 has 12 index points that allow you to adjust point of impact while remaining attached to the host firearm. The average dry sound signature of the Sidewinder M2 .45 when testing to Mil-Std 1474D is 133 dB dry on a Glock G21 using 230gr. FMJ ammo. Shooting the suppressor "wet" will net even quieter results.

Features
  • Caliber: .45 ACP
  • Weight: 9.4oz./10.6 w/Piston
  • Length: 9.2/9.35" w/Piston"
  • Diameter: 1.375";Construction: Aircraft Quality Aluminum & 17-4 Ph SS"
  • Mount: .578-28 RH Piston"
  • Decibel Rating: 133 dB
  • Can be used on .300 BLK SUBSONIC with a 7.5 or longer barrel."
  • Full Auto Rated
Specifications
UPC: 841812101659
Manufacturer: Yankee Hill Machine Co
Manufacturer Part #: YHM-2070-28
Model: Sidewinder
Type: Suppressor