TESLONG USB Borescopes for Rifle and Pistol

If you’ve been shopping for a borescope recently, you’ve probably come across TESLONG. The borescopes offered by TESLONG have gotten great reviews and praise, and don’t cost a lot of money! In this article, we’ll take a look at two USB rigid borescopes from TESLONG: The  NTG100P (pistol), and the NTG100H (rifle).

NEW: NTG100P 10″ Pistol Borescope

The NTG100P is new from TESLONG, from the TESLONG product page:

The Teslong NTG100P USB Pistol Barrel Borescope will help you inspect the inside of your pistol barrel. This is a great tool to evaluate cleanliness, throat erosion, tool marks, rifling wear, chamber damage, and fouling.
SAVE TIME AND MONEY – With an innovative close-focusing camera, Assess your cleaning regimen or diagnose firearm problems to save time and money!
SHORTER FOR PISTOL BARRELS – The shortened version of the Teslong NTG100H Borescope is more compact, making it easier to store and inspect pistol barrels. The 10-inch rod is long enough to inspect almost all pistols.
FITS .20 CALIBER AND LARGER – The 0.20-inch diameter probe allows easy entry into pistol barrels as small as .20 caliber.
SIDE-VIEW MIRROR – This gun borescope includes an adjustable, detachable, 90° side-view mirror. You can check the barrel wall or remove it to check the firing point. Includes 3 mirrors in case you lose or break one!
LED RING LIGHT – Six LED lights are adjustable for brightness and give the camera a perfect view of the darkest inspection areas.
ANDROID, MAC, AND PC COMPATIBLE – Includes a 2-in-1 USB & Micro-USB plug and a Type-C adapter so that you can record or play live barrel images on your Android mobile device, PC, or Macbook (OSX). PLEASE NOTE This USB version DOES NOT WORK with iPhone or iPad (iOS)!!

NTG100H 26″ Rifle Borescope

The NTG100H is a rigid borescope suitable for both rifle and pistol barrel inspection. From the TESLONG product page:

The TESLONG NTG100H 26-inch long rigid rifle borescope is an ideal gunsmith tool that helps verify how well your rifle barrel bore has been cleaned. Carbon deposits build up as you shoot and can degrade your accuracy. This borescope helps you see the deposits in the lands and grooves of the rifling and is a great aid when cleaning your barrel. It comes with a short focal length of about 0.4-inch yielding high-quality images illuminated by a LED ring light. Moreover, it has a side-viewing mirror to view the chamber walls and barrel lands and grooves up close. The probe diameter is 0.20 inch (5.0mm), which is ideal for use on all barrels down to 0.20 caliber. The image quality is first-rate and will give you a detailed view of your barrel. You can record pictures and HD videos that store on the device to share with friends or post to social media. It works flawlessly with Android, Windows, and Mac (OSX).
We also have a variety of Automotive Borescopes available for purchase now.

Notice: This model does not support the iPhone and iPad (iOS)!
Also does not support Amazon Fire or Amazon Kindle.

SAVE TIME AND MONEY – With an innovative close-focusing camera, this Teslong digital rigid rifle borescope will help you inspect the inside of your gun barrel. This is a great tool to evaluate cleanliness, throat erosion, tool marks, rifling wear, chamber damage, and fouling. Assess your cleaning regimen or diagnose firearm problems to SAVE time and money!
26-INCH RIGID PROBE – The 26-inch-long alloy inspection rod includes a measuring scale to determine the camera location in the barrel.
FITS .20 CALIBER AND LARGER – The 0.20-inch diameter probe allows easy entry into rifle barrels as small as .20 caliber. The 26-inch-long rod is longer than most rifles so you do not need to switch from barrel to muzzle to fully inspect the bore.
LED RING LIGHT – Six LED lights are adjustable for brightness and give the camera a perfect view of the darkest inspection areas.
SIDE-VIEW MIRROR – This rifle borescope includes an adjustable, detachable, 90° side-view mirror. You can check the barrel wall, or remove it to check the firing point. Includes 3 mirrors in case you lose or break one!
ANDROID, MAC, PC COMPATIBLE – Includes a 2-in-1 USB & Micro-USB plug and a Type-C adapter, so you can record, or play, live barrel images on your Android mobile device, PC computer, or Macbook (OSX). PLEASE NOTE This USB version DOES NOT WORK with iPhone or iPad (iOS)!!

What’s In the Box

Both the NTG100P (pictured bottom) and NTG100H (pictured top) come with the following:

  • Rigid borescope and cable (integrated cable on NTG100P, detachable on NTP100H)
  • Three connection options: traditional USB connector, Micro USB connector, USB-C connector (via adapter)
  • Three right-angle mirrors
  • Instruction sheet

Barrel Inspection

I took a look at a few different barrels including pistol and rifle, new and previously fired. The straight-on view shows a “straight down the barrel” view:

For my initial testing, I simply plugged these borescopes into my Windows 10 laptop via a conventional USB port. The great thing about this setup is the fact that these borescopes work with the built-in camera app (typically used with webcam) as seen in the above screenshot.

I then installed right-angle mirrors on the borescopes, and took a look at barrels using the right-angle view.

This right-angle view is great for close-up inspection and detail. Here’s a few screen captures from these inspections:

22-250 Take-off Barrel with Copper Fowling

Krieger 6mm New Barrel Blank

Impressive images! These devices will make barrel inspection much more comprehensive and easy.

NTG100P for use on Metal Lathe

Inspired by my friend and master gunsmith Gordy Gritters, I decided I needed to adapt one of my TESLONG borescopes to work on my lathe to help capture gunsmithing jobs. This solution turned out GREAT. I modified a BXA-sized Aloris style boring bar holder to clamp on the NTG100P housing (handle). Now I can inspect chambers, throats, and bores WHILE gunsmithing, and show my viewers what’s happening! Amazing.

Here’s a screenshot of inspecting the throat area in a barrel I recently chambered (has been fired):

The quality of these images will be very helpful in documenting my work on the lathe, that’s for sure.

Get Yours

The NTG100P and NTG100H are both available directly from TESLONG:

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Thanks,
Gavin

One thought on “TESLONG USB Borescopes for Rifle and Pistol”

  1. WOW! What a great price point. A price most everyone can afford.

    And I’m not done yet watching the video and upon watching you open both the pistol and rifle borescopes, a question came to mind. With my luck you answered it somewhere else in the video I haven’t yet watched. lol

    Anyhow,the question is, are the 3 extra mirrored adapters for the pistol and rifle borescopes interchangeable should you happen to get them mixed up?

    Thanks in advance…

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