Teslong NTG200H Focus & Fold Rifle Borescope

Category BORESCOPES
TESLONG

Get a crystal-clear look at your bore—lands, grooves, throat and crown—with the NTG200H Focus & Fold. The tip folds/unfolds for easy insertion, manual focus lets you read rifling edges, and a 45° side-view mirror reveals copper fouling, pitting, and erosion. Works with PC/Mac/Android (OTG), features adjustable LED lighting and a long rigid rod to reach the entire barrel. 

Type
With screen

Use / positioning
Rigid rifle borescope for gunsmiths, precision shooters and hunters. Enables quick visual diagnostics of rifling condition, throat wear, crown alignment, fouling (copper/carbon), and corrosion.

Design & components

  • Slim probe approx. 0.20″ (≈ 5.08 mm) diameter

  • Rigid ~26″ (≈ 660 mm) rod to span full barrel length

  • Focus & Fold tip: folds for insertion, unfolds in the bore

  • 45° side-view mirror to inspect groove/land flanks

  • Manual focus for fine detail resolution

  • Adjustable LED illumination

  • Centering spacers to stabilize the probe in various calibers

Compatibility & connectivity

  • USB-C / USB-A (per cable/adapter in the kit)

  • Windows / macOS / Android (OTG) via compatible camera/borescope app

  • Not intended for direct wired iOS/iPhone use (Wi-Fi bridge required if used)

Best practices

  • Insert from the chamber when possible; use centering spacers and a clean mirror

  • Clean/degrease the mirror after use for sharp images

  • Avoid scraping the crown

Care & box contents

  • Removable/cleanable side-view mirror

  • Carry case and centering accessories (per kit)

  • USB-C / USB-A connection cable(s) (per kit)

At-a-glance

  • Rigid Focus & Fold borescope for rifled barrels

  • Probe ~0.20″ (≈ 5.08 mm); rod ~26″ (≈ 660 mm)

  • 45° side-view mirror; manual focus

  • Adjustable LED; multi-caliber centering spacers

  • USB-C / USB-A; Windows / macOS / Android (OTG)

We strive to represent each product as accurately as possible; minor differences may occur (colors, finishes, markings). Images are illustrative; accessories not included. Dimensions and specifications are indicative and may change without notice.

Manufacturer technical files

These files are provided “as is,” without substantive modification. If inconsistencies arise, only the manufacturer’s latest official specifications prevail. Versions, part numbers, features, and visuals may change without notice. BHI does not guarantee the accuracy, completeness, or continuous availability of these documents and cannot be held liable for their use. Rights and content remain with their respective owners.

BHI technical files

While we take great care to deliver an accurate and faithful synthesis, these documents are provided for informational purposes and may include approximations, rounding (notably in imperial↔metric conversions), and residual errors. They are not a substitute for the manufacturer’s manuals or official specifications. Part numbers, dimensions, tolerances, compatibility, and performance data are indicative and may change without notice. Before any use, verify alignment with your firearm/equipment and the most recent manufacturer documentation. BHI disclaims liability for misuse, misinterpretation, or direct/indirect damages; the user is solely responsible for regulatory compliance, safety, and testing.

TESLONG

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