Q: What are your shipping costs? 

 UK SHIPPING (24hrs Dispatch)

Orders up to £35.00 UK Recorded Signed For™ £3.99
Orders between £35.01 - £99.99 UK Recorded Signed For™ £5.99
Orders £100.00+ UK Recorded Signed For™ £FREE
Restricted products To local RFD £25.00



Orders up to £35.00 Courier £5.99
Orders £35.01+ Courier £7.99


Q: How long does it take for you to process the order?

We have a very large stock holding and only advertise items that are currently 'in stock', therefore we are able to ship most orders within one working day. 

 Q: How will the Package be marked?

The shipments arrive in safe, secure and discreet packaging.

The company details are marked as “Emmett & Stone”

 Q: Can you ship firearms?

We can only ship restricted products to your local Registered Firearms Dealer and you can collect from them.  The appropriate shipping rate must be paid before shipment can occur.  Ensure your contact details are correct so we can make the best arrangements for you.

 Q: Do you ship internationally?

Yes!  Please email your order to shop@emmettandstone.co.uk and we will provide you with a shipping quotation.  You may be subject to import duties and taxes which are levied once a shipment reaches your country.  Any such additional charges for customs clearance must be borne by you.  You should note that customs policies vary widely from country to country.  We advise you to contact your local customs office for further information if you are in any way unsure of local duties or liabilities.  Cross border shipments are subject to opening and inspection by customers authorities which means some packages may be opened and re-sealed.


In the unlikely event that you are dissatisfied with your purchase, please follow the simple returns procedure. Contact us within 14 days, giving details of the product and when purchased. All items must be unused and in a fit condition for resale. Always keep your invoice as this is your proof of our guarantee for those items which have a warranty.

If you return an item you are not pleased with, or which is faulty, the item must be returned to us in its original packaging and original condition (unless damaged in transit).  You must provide your receipt.


Genuinely faulty goods will be credited in full for the item and including return P&P. Unless you agree otherwise the refund will be by the same payment method. No fees. We may make a deduction if the goods have lost value because you have handled them more than was necessary to establish their nature, characteristics and functioning.

Returns on full price items cannot be considered after 28 days from date of purchase. You will be credited for the purchase price excluding any carriage costs for any item which is not faulty. This does not affect your statutory rights.

Returns on sale items must be within 14 days of purchase and must be accompanied by your receipt.  We cannot refund orders without a valid receipt.

If returning an unwanted item, the parcel is your responsibility. You are also responsible for the postage for the return parcel. May we strongly recommend you send it recorded post or by courier.

If you are returning an item as a result of a mistake by Emmett and Stone Country Sports Ltd or for a faulty item, we will pay for the cost of postage for the returned item(s). All returns must be sent to:

Emmett and Stone Country Sports Ltd
Wilton Farm
Little Marlow

Ballistically Brilliant Chronograph

Air Force OneSKU: CA6382

AirForceOne® Ballistically Brilliant! tm Chronograph



Fully portable, re-chargeable battery powered.

Indoor & Outdoor use

No auxiliary light-source required

Easy carry -Handy and Lightweight design.

Measure Pellet velocity and Rate of Fire

Calculate Muzzle Energy in Foot/lbs (FPE) or Joules

Download all your test data to your computer.

Record Temperature and humidity at the time of the shot

Charging & Data Cables included

Clear, back-lit display

Screw-cut for tripod mounting

Testing Accuracy:

Quick Guide

thank you for using our Ballistically Brilliant! tm Chronograph. Please make sure you read this quick guide carefully before you use the chrono.

Testing Speed: 0-50 Pellets per second

Muzzle Velocity Measurement: 49 feet -2789 feet per second

Testing Accuracy:

Voltage: DC 3.7-4.2V

Temperature & Humidity Testing Function

Temperature: 0-50c Humidity: 20%-95%

Size: 105 x 57 x 70mm Weight: 230g


1.Charging the Chronograph Battery

Before use, charge the Chrono’s battery using the USB power cable provided (The battery indicator light will glow red). Connect the USB connector to a USB enabled 3-pin AC plug, or any suitable USB adapter such as a mobile phone charger or on a computer, printer or similar device. When the Battery is low the display will show “LO”. When the battery is fully charged the battery indicator light will glow green.

Power ‘On/Off’

The ‘On/Off’ switch is located on the rear of the unit.

Screen Back Lighting/Test data download

In dark conditions, press the * button on the front of the unit and the screen will be back-lit. Press again to switch the back-light off. To download test results data to your PC or laptop, select the time display by using the ‘mode’ button on the front of the unit, then press the * button. Your data will download via the USB data cable to your connected PC or Laptop.

Adjusting the time

With the time displayed, press and hold down the * button, then press the ‘mode’ button; release the * button and then press ‘mode’ repeatedly until the correct hour is selected. Press * to confirm, then repeat the procedure to adjust the minutes,

Measuring Temperature & Humidity

With the Display in ‘Time’ mode, press the mode button briefly and then you can tab between temperature readings in Celsius and Fahrenheit and Humidity

Muzzle Velocity & Firing Speed Measurement

With the display in ‘Time’ mode, press and hold the mode button the Chronoscope will then enter Muzzle Velocity measuring mode and the display will show: – – – – You can now fire your gun from a distance of 6” inches (15cm) through the aperture at the front of the device to measure the pellets velocity in ‘Feet per Second’ (FPS). To measure your rate of fire, press the mode button briefly again whilst in velocity measuring mode and the display will show a rate of fire in the format : 0. To return to velocity, press the mode button again. In either mode if the display shows “1E” or “2E” there was an error, the shot needs to be taken again.

WARNING Always ensure that you have a safe firing zone behind the Chronoscope and a backstop to absorb pellets safely. Be careful to avoid hitting the body of the device, or the display screen when firing.

Test Data playback

In the muzzle velocity mode, press the * button and you can display the last 50 groups of test data.

Data Download to your Computer.

By using the supplied Data Cable (Micro USB to USB) you can download real-time test data to your laptop or PC. Download the dedicated application from: –http://taiwan-airgun.com/en/news_detail.php?NNo=30

and you can calculate the kinetic energy (Muzzle Energy) in Foot/lbs (FPE) or Joules whilst showing details of the test environment, such as time of day, temperature, humidity and other useful data. NB. The program needs to run with administrator privileges (right click the .exe file to ‘Run as Administrator’).

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