Yankee Hill Machine® Mini Phantom® Q.D. Tactical Flash Hider – 9mm Luger / .35 Caliber Compatible – 1/2"-36 TPI Thread Pitch – Phantom® Fast-Attach Suppressor Mount – Black Phosphate Finish – YHM-4315-36A
Product Description
The Yankee Hill Machine® Mini Phantom® Q.D. Tactical Flash Hider (YHM-4315-36A) represents a premier mechanical benchmark in fast-attach muzzle devices and suppressor interface ecosystems, masterfully engineered in the USA to deliver uncompromised flash reduction and zero-fail retention profiles for competitive Pistol Caliber Carbine (PCC) shooters and tactical operators alike. Inspired by the legendary performance profiles of YHM's standard full-sized taper mounts, this next-generation "Mini" architecture re-architects front-end long-gun weight distribution lines. While bulky, legacy factory flash hiders increase forward tracking signature, disrupt barrel harmonics, and snag continuously on heavy clothing—and direct-thread configurations subject users to agonizingly slow attachment cycles prone to cross-threading destruction—the Mini Phantom completely overrides those operational liabilities. This highly compact muzzle module (841812101086) shortens overall length to a mere 2.125 inches, functioning as an indispensable primary asset for tactical home defense configurations, close-quarters competition weapons, and high-efficiency suppressed staging loops.
The structural foundation of this high-efficiency muzzle engine is precision CNC-machined from a monolithic billet of premium 4140 heat-treated ordnance-grade carbon alloy structural steel. Celebrated across aerospace and elite tactical engineering fields for its immense yield strength and defiance of high-volume gas erosion loops, the metal core is shielded with a traditional, deep-penetrating Heavy Military Black Phosphate anti-friction finish. This industrial coating works to lower dragging resistances across the mounting threads while creating a tough defense layer against environmental humidity, hand acids, and deep scuffs. The exterior features YHM’s highly regarded fast-attach external taper indexing system, which aligns smoothly with the internal surfaces of matching suppressors. This enables operators to establish an unyielding gas seal and a rock-solid locking seat by hand in a matter of seconds, requiring no complex mechanical tracking switches or tools on the firing line.
The true operational triumph of this American-built hardware milestone lies in its versatile multi-caliber clearance boundaries and specialized thread layout protection. Bypassing standard narrow-bore limitations, the internal exit aperture is precisely oversized to cleanly clear heavy 9x19mm Parabellum cartridges, while remaining natively backwards-compatible down through 300 Blackout, 7.62x39mm, and 5.56 NATO rounds without risking devastating baffle strikes. Its dedicated 1/2"-36 TPI thread pattern provides an explicit mechanical baseline for Colt-pattern 9mm receivers, specialized AR-9 carbines, and custom sub-gun barrel profiles. This intentional thread pitch choice acts as a mechanical safety barrier, preventing users from accidentally installing a standard 5.56mm (.223) muzzle accessory onto a larger 9mm bore, which would result in catastrophic barrel explosion loops. Weighing a meager 3.30 ounces, this lightweight component performs flawlessly unsuppressed due to its aggressive open-prong flash disruptive layout, while acting as an unyielding structural anchor for YHM's modern suppressor fleet, including the Turbo T2, Turbo K, Resonator R2, Resonator K, and the specialized R9 9mm or Nitro N2O configurations.
Includes: (1) Yankee Hill Machine Mini Phantom Q.D. Flash Hider Body (4140 Heat-Treated Carbon Steel, Black Phosphate Finish, 1/2"-36 TPI Core), and Factory Original Blister-Card Sealed Retail Presentation Packaging.
*Safety/Installation Guidance: The YHM-4315-36A features a highly specialized 1/2"-36 TPI thread configuration; always explicitly verify your host firearm barrel specifications to avoid thread galling or catastrophic cross-threading destruction. When installing, the muzzle device must locate securely against a square barrel shoulder behind the threads and be torqued precisely between 20 and 30 ft-lbs using standard armorers wrench interfaces. NEVER utilize a traditional crush washer under any quick-detach suppressor mounting device, as doing so introduces concentricity misalignment bugs that can cause immediate, catastrophic bullet baffle strikes inside your suppressor core; use high-grade precision timing shims or direct shoulder seat alignment rules exclusively.
Key Features
- Ultra-Compact 2.125" Silhouette: Trims down forward bulk and overall rifle length to provide an agile, fast-handling PCC tracking platform.
- Heavy-Duty 4140 Steel Core: Machined from premium heat-treated carbon steel to conquer intense gas pressure blocks and high-volume thermal cycles.
- Corrosion-Resistant Phosphate Finish: Traditional matte black phosphate shell resists carbon fouling while providing deep armor protection against environmental moisture.
- Oversized 9mm Clearance Aperture: Optimized internal bore layout accommodates 9mm, .300 Blackout, 7.62x39, and 5.56 NATO rounds flawlessly without bore friction.
- Dedicated 1/2"-36 TPI Thread Layout: Provides an explicit mechanical fitment standard for Colt-pattern 9mm receivers and custom barrels, preventing dangerous muzzle device interchanging.
- Universal YHM Phantom Compatibility: Locks up instantly with a wide selection of YHM suppressors including Turbo T2, Turbo K, Resonator R2, Resonator K, R9, and Nitro N2O.
Product Specifications
- Brand: Yankee Hill Machine® / YHM Co. (Northampton, Massachusetts, USA)
- Product Line: Phantom Quick Detach (Q.D.) Suppressor Interface Mount System
- Model Designation: YHM Mini Phantom Q.D. Flash Hider - 1/2"-36 TPI
- SKU / MPN: YHM-4315-36A (Alternative Identifiers: YHM431536A / SUP-AY-YHM-4315-36A)
- Thread Pitch Class: 1/2"-36 TPI (Threads Per Inch)
- Caliber Class Capability: Up to 9mm Luger / 9x19mm (Natively accommodates .30 Cal and 5.56 NATO down-bore)
- Suppressor Adapter System: Standard YHM Phantom Fast-Attach External Mounting Core
- Muzzle Device Function: Direct Flash Signature Mitigation & Sound Suppressor Taper Anchor
- Chassis Structural Material: Monolithic CNC-Machined 4140 Heat-Treated Alloy Steel Billet
- Surface Coating Protection: Non-Reflective Heavy-Duty Military Black Phosphate / Oxide Armor
- Overall System Length: 2.125 Inches (53.97 mm) Compact Tracking Profile
- Added Barrel Extension: ~1.493 Inches (Assumes standard 0.600" barrel thread depth baseline)
- Outer Core Diameter: 1.245 Inches (31.62 mm) Standard Taper Specification
- Recommended Installation Torque: 20 to 30 Ft-Lbs (Direct-to-Shoulder Lockup)
- Product Net Component Weight: ~3.30 oz (0.21 lbs / 93.5 g) - Ultra-Light Low-Mass Muzzle Core
- Total Shipping Packaging Mass: ~0.45 lbs (Enclosed Inside Protective Padded Retail Distribution Shielding)
- UPC Barcode: 841812101086
