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Yankee Hill Machine sRx Long Flash Hider | 1/2-28 | YHM-4405-28

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Yankee Hill Machine sRx Long Q.D. Flash Hider, 1/2-28 tpi, Black Phosphate finish, 2.30″ overall length; designed to mate with the YHM sRx adapter (YHM-4400) for a low-profile suppressor interface.

The Yankee Hill Machine (YHM) sRx Long Flash Hider is a low-profile Q.D. muzzle device engineered for the sRx interface. It provides a tapered sealing surface ahead of the threads so a compatible sRx adapter and suppressor can lock on cleanly while minimizing added length and weight. The device must be used with the YHM sRx adapter (YHM-4400) and is intended for use in suppressor-ready carbine and precision/competition builds where a streamlined mount is desired.

Product Specifications

  • Manufacturer: Yankee Hill Machine (YHM).
  • Model: sRx.
  • Manufacturer part number: YHM-4405-28.
  • Thread pattern: 1/2-28 tpi.
  • Muzzle device length: 2.30 inches.
  • Length added to barrel (example on 0.6″ thread barrels): 1.675 inches.
  • Diameter: 0.9375 inches.
  • Finish: Black Phosphate.
  • Fit / Interface: Yankee Hill SRX (sRx Q.D. mounting).
  • Product type: Flash Hider with sRx Q.D. interface.
  • Includes: Shim kit.
  • NFA thread pattern: 1/2×28.
  • Weight: 0.18.
  • UPC: 841812101543.

This flash hider is built to minimize profile and weight while providing a consistent taper-lock interface for the YHM sRx adapter and compatible suppressors. Its design helps keep mounting repeatable and reduces the need for time-consuming shimming, making it a practical choice for users building a low-profile suppressor-ready system.

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SKU: LIP|YHM-4405-28 Category: Brand:

Product Information

SKU LIP|YHM-4405-28
UPC 841812101543
Manufacturer Yankee Hill Machine
Manufacturer Part Number YHM-4405-28
Caliber/Gauge .223 REM/5.56 NATO
Length 7.1
Model sRx
Package Height 1.4
Package Width 3.2
Product Type Accessory-Muzzle Brakes
Shipping Weight 0.18
Thread Pattern 1/2"-28 tpi
UPC841812101543
ManufacturerYankee Hill Machine
Manufacturer Part NumberYHM-4405-28
Caliber/Gauge.223 REM/5.56 NATO
Length7.1
ModelsRx
Package Height1.4
Package Width3.2
Product TypeAccessory-Muzzle Brakes
Shipping Weight0.18
Thread Pattern1/2"-28 tpi
Disclaimer: Our e-commerce site uses stock images for item photography. In most cases, these are completely accurate however there are some cases where the image may not wholly reflect the item being purchased. It is your responsibility to verify the UPC of the item you are purchasing from us with the manufacturer to confirm you are placing an order for the correct item.