An Exclusive agreement with the maker of this bore scope allows 4D to sell them to the gunsmithing trade at a very attractive price. Anyone who works on guns, whether rifles, pistols or shotguns knows that seeing what is happening can make a huge difference in the diagnosis of problems. We tested this scope extensively in our shop and are excited to offer it to our friends and clients!
Our new Starter Kit pictured below is a great option for anybody who works on guns, or for that matter anything where looking inside can be tough. Mechanics love this tool too!
Get a direct look at the bore, neck, throat and crown of every barrel you work with. Far more versatile than the Hawkeye®, just check out the features below...
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When attached to the power pack the magnifying loop at right provides both a light source and 4x magnification, focal length is about 3 to 4 inches, so its great for looking in chambers, brass cases, and other tight spots. |

At Left is the exclusive focusing eye piece. Simply rotate the knurled portion of the eyepiece right or left to focus. The focal range will accommodate nearly anyone's eye sight. The probe in the starter kit is 6mm in diameter, 8" long, and included a sleeve with a 90 degree mirror so you can inspect the side wall of a chamber or bore easily. The 6mm probe measures .234" and the mirror tube is .246".
Below is the assembled scope. The hand piece houses two c batteries, the kit includes an extension tube that adds a third battery, great for extended use time. To turn on the light source you simply depress the white button and rotate the collar, it is equipped with a rheostat so the amount of light can be controlled.
You can see the cut at the tip of the probe, this is the 90 degree mirror. The mirror tube can be extended so that you can actually have about 15" of usable length. The tube will rotate 360 degrees so you can check the entire circumference of the bore without standing on your head. |
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The Starter Kit is complete as seen below. $539
- Power Pack
- Pack extension tube
- Batteries
- extra bulb
- focal eye piece
- 6mm probe and mirror tube
- magnifying loop + black cone
- All in a fitted case
We offer a Deluxe kit that includes the 3/13" Probe and mirror tube $749. This saves you $29 over buying them separately.
Purchasing the 3/16 probe and mirror separately is $239
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