Yankee Hill Machine Company YHM-4405-28 Long SRX Flash Hider 1/2-28 (SKU YHM-4405-28)
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Yankee Hill Machine Company YHM-4405-28 — long SRX flash hider with 1/2-28 thread listing, verified to include a shim kit; packaged quantity 8 units (source_fact_ids: product-275001:f002, product-275001:f004, product-275001:f008, product-275001:f009, product-275001:f010, product-275001:f012, product-275001:f014).
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Description
Description
Product Overview
Yankee Hill Machine Company YHM-4405-28 is recorded in catalog data as a long SRX flash hider with 1/2-28 threading (SKU YHM-4405-28) and is classified under Accessory → Silencer Mounts → Silencers. Source facts verify the manufacturer and that packages contain 8 units (source_fact_ids: product-275001:f002, product-275001:f003, product-275001:f004, product-275001:f005, product-275001:f006, product-275001:f007, product-275001:f008, product-275001:f014).
Why this product
- Includes shim kit — the listing explicitly notes a shim kit is included, which buyers should account for when fitting to threaded barrels (source_fact_ids: product-275001:f009).
- 1/2-28 thread reference in catalog title — the model string in the existing full text indicates 1/2-28 threading; use the SKU and thread spec to validate fit (source_fact_ids: product-275001:f001, product-275001:f014).
Key Verified Specifications
- Brand / Manufacturer: Yankee Hill Machine Company (source_fact_ids: product-275001:f002, product-275001:f006, product-275001:f007)
- Catalog classification: Accessory; Silencer Mounts; Silencers (source_fact_ids: product-275001:f003, product-275001:f004, product-275001:f005)
- Package quantity: 8 units (source_fact_ids: product-275001:f008, product-275001:f010)
- Included accessory: Shim Kit (source_fact_ids: product-275001:f009)
- SKU: YHM-4405-28 (source_fact_ids: product-275001:f012)
Appropriate Use Cases
- Bulk procurement of flash hiders and shim kits for armorer shops or retailers stocking muzzle device accessories (source_fact_ids: product-275001:f008, product-275001:f009).
What Customers Should Know
- Source facts verify the included shim kit and package quantity of eight, but detailed mechanical specs (external diameter, length, weight, material finish) are not provided; confirm exact thread fitment and dimensions with the supplier before ordering (source_fact_ids: product-275001:f001, product-275001:f009, product-275001:f012).
- Use SKU YHM-4405-28 when ordering or reconciling inventory (source_fact_ids: product-275001:f012).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

