GSCI PVS-31C-MOD Image Intensified Night Vision Goggles
This product is custom-made to order.
Current lead times are generally 3 to 4 weeks from receiving payment for your order until your device is ready to be dispatched however this varies depending on the specification of your device.
For an accurate lead time, or to order please contact us with your requirements and a member of our team will get back in touch with details on how to place your order.
The new PVS-31C-MOD is a dual-tube goggle system with ergonomic design and improved functionality. It accommodates features such as a dedicated Instant-On-IR button to quickly and momentarily engage IR illuminator without having to operate the switch.
The connector located at the front of the unit is used to supply power to the unit from almost any power source: external battery pack, USB power bank, 12V car socket and so on. By customer's request, the unit can be equipped with Bayonet (PVS) or Dove-Tail style bracket.
Thanks to dual-tube design, PVS-31C-MOD delivers depth perception and allows using PVS-31C-MOD to operate various machines, boats etc., in addition to basic ground operations. A dual-tube night vision system has proved to be safer and more effective in low-light conditions compared to a “bi-ocular” system, commonly known as “PVS-7”, which is a “one lens-two eyes” type of NVD.
Technical Data
- Optical Magnification: 1x
- Objective Lenses: 27mm
- Focus Range: 0.25m .. Infinity
- Field of View: 40º
- Diopter Adjustment Range: -6 .. +4
- Interpupillary Adjustment Range: 50mm .. 90mm
- Built-In IR Illuminator: Yes
- Momentary IR-On Button: Yes
- IR-On Indicator: Yes
- MIL-SPEC Switch: Yes
- Bright Light Protection: Yes
- Automatic Light Overload Shut-off System: Yes
- Low Battery Indicator: Yes
- Stow Safety Feature: Yes
- Flip-up-off Feature: Yes
- Selective Channel Engagement: Yes
- Any Polarity Battery Insertion: Yes
- Power Source: 1pc AA or 1pc CR123
- Battery Life: up to 40 Hours
- External Power: 4VDC .. 15VDC
- Operating Temperature: -40C .. +50C
- Dimensions: 112x105x70mm
- Weight: 650g
- Warranty: 7 Years, Limited
- Export: Available for Export Worldwide
- Made In Canada, Non-ITAR System
For full product specifications, download GSCI PVS-31C-MOD spec sheet.
Image Intensifier Tube Options
| TUBE | GENERATION | FOM VALUE | MANUAL GAIN |
| MA | GEN2 | FOM <1250 | OPTIONAL |
| MA1 | GEN2+ | FOM 1250-1599 | OPTIONAL |
| GA2 | GEN3 | FOM 1600-1799 | OPTIONAL |
| GA3 | GEN3 | FOM 1800-1999 |
|
| GA4 | GEN3 | FOM 2000-2399 |
|
| GA5 | GEN3+ | FOM 2400+ |
|
| EC | ECHO | FOM 1600-2000 | YES |
| 4G | 4G | FOM 1800+ | YES |
| 4G ELITE | 4G ELITE | FOM 2200+ | YES |
| EC ELITE | ECHO ELITE | FOM 2000+ | YES |
| 4G ELITE PLUS | 4G ELITE PLUS | FOM 2300 | YES |
EC Elite and 4G Elite Plus Tubes are available for professional use only, please contact us for buying information.
What you get
- PVS-31C-MOD
- Soft Rubber Eyecups
- AA Battery Extender
- Daytime Filters with Training Hole
- Neck Cord
- Allen Key Kit
- USB Power Cable
- Soft Carry Pouch
- Hard Waterproof Case with Soft Padding (not included with MA or MA1 models)
- User Manual
- Warranty Activation Form
Easter Bank Holiday – Our delivery partners (Royal Mail and DPD) are closed for Easter on Friday 3rd April, Sunday 5th April and Monday 6th April. Any deliveries scheduled over this period will be processed on the next working day.
Orders placed after 3pm on Thursday 2nd April will be dispatched from Tuesday 7th April.
We aim to dispatch all orders placed by 3pm on the same working day for in stock items, orders placed after 3pm will be dispatched on the next working day (Monday to Friday, excluding bank holidays).
Free Delivery
All UK orders over £75 will receive free standard delivery, all UK orders over £150 will receive free express delivery and all UK orders over £500 will receive free next day delivery.
Order Tracking
All orders are dispatched via tracked delivery methods by DPD or Royal Mail, once your order has been dispatched you will receive a notification email which includes tracking details for your order.
On the day your order is due to be delivered you may receive an email or text from the courier with a 1-hour time slot for delivery (depending on location and delivery service).
We aim to deliver within the estimated timeframe, but sometimes delays can occur due to factors outside our control (e.g., courier issues or extreme weather). If your delivery is delayed, you’ll receive updated tracking information.
Just a quick note — your courier tracking email or text will show ‘Night Spark Ltd’ as the sender. Don’t worry, that’s us! Night Master trades under Night Spark Ltd.
PIN Code Service
For all next day delivery and high value orders, we now use DPD’s secure PIN Code Service to ensure your parcel reaches you safely and securely.
When your order is dispatched, you’ll receive a unique delivery PIN Code by email and/or text from DPD. On the day of delivery, the driver will ask for this PIN and enter it into their scanner as confirmation, giving you complete confidence that your parcel will never be left unattended or handed to the wrong person.
To make sure you receive your PIN, please provide your current mobile number and email address at checkout — you or a trusted person will need to provide this code when the courier arrives.
United Kingdom
| Delivery Service | Timescale (estimated) | Price |
| Standard Delivery | Two to three working days | £3.95 (Free on orders over £75) |
| Express Delivery | One to two working days |
£4.95 (Free on orders over £150) |
| Next Day Delivery (PIN Code Service) | Next working day | £7.95 (Free on orders over £500) |
| Saturday Delivery (PIN Code Service) | Delivery on Saturday | £13.95 |
Please note that delivery to Channel Islands, Isle of Man, Northern Ireland and Scottish Highlands & Islands may take an additional one to two working days compared to the estimated timescales above.
Republic of Ireland
| Delivery Service | Timescale (estimated) | Price |
| European Tracked | Two to five working days | £10.95 |
European & International
| Delivery Service | Timescale (estimated) | Price |
| European Tracked | Five to seven working days | £13.95 |
| International Tracked | Five to fiteen working days | £15.95 |
VAT & Customs
Orders placed with delivery to European and International destinations are charged at 0% VAT. Prices displayed on our website automatically adjust based on your location (for example, if you’re shopping from Ireland, prices on our website will display at 0% VAT, which is the price you will pay at checkout).
Please note that customs duties, import taxes, and any applicable handling or brokerage fees are not included in the item or delivery price. These charges are set by the destination country and are the responsibility of the recipient.
If applicable, the courier or local customs authority will contact you directly to collect payment before delivery. We have no control over these charges and are unable to advise on their cost.
Pricing on our website is displayed based on your detected location (such as IP address). If you are using a VPN or location-masking service, prices shown may not reflect the final VAT rate. The correct VAT and total price will always be confirmed at checkout based on your delivery address.
Important Information
Please check that the item is marked as “in stock” if you are expecting your order to be dispatched on the same working day it is placed (orders must be placed by 3 pm, Monday to Friday). “Pre-order” and “custom-made to order” items have a longer dispatch timeframe, which is clearly stated on the product page.
For products marked “dispatches in x working days,” the dispatch timeframe starts from the next working day after your order is placed; for example, an order placed by 3 pm on Monday would be expected to be dispatched by Thursday.
If your order contains a mix of in-stock items and items that are on back-order or pre-order, we will usually hold your order until all items are ready to dispatch.
Missing Items
In the unlikely event that a parcel goes missing, a replacement or refund will be issued once the courier has confirmed the loss and completed their missing item investigation process. If you believe that your parcel is missing, please contact us in writing using the email address you placed your order with and we will contact the courier to start an investigation.
Once the courier has confirmed that the parcel is missing, you will be required to sign a loss confirmation document which may be sent via post — this must be returned to the courier, once the signed document has been received and acknowledged by the courier, a replacement or refund will be issued.
As a small family business, we appreciate your patience and understanding throughout this process. We take matters like this seriously and work hard to ensure everything is handled correctly and efficiently.
Important Information
Night vision and thermal imaging products are strictly controlled by ITAR regulations and are subject to UK Government Export Licensing Regulations. These products are only available for UK delivery and are not available for international shipping.
Exporting these items outside the UK — including taking them abroad temporarily (e.g. on holiday) may require an export licence depending on the specification and destination.
It is the responsibility of the individual or company to ensure that an appropriate export licence is obtained before attempting to take these products outside of the UK.
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.