Optical & Magnification

• Magnification Range: 6.5 × to 20 ×

• Objective Lens Diameter: 52 mm

• Reticle Type: BDX‑R1 Digital Ballistic Reticle (Second Focal Plane)

• Illumination: Yes (10 daylight brightness settings)

• Field of View: ~14.1 ft @ 100 yds (at 6.5×) / ~4.7 ft @ 100 yds (at 20×)

• Exit Pupil: ~6.1 mm (at 6.5×) / ~2.6 mm (at 20×)

• Eye Relief: ~4.21 in (low) / ~3.43 in (high)

• Diopter Adjustment Range: ±2

Physical & Mechanical

• Main Tube Diameter: 30 mm

• Weight: ~25.9 oz (approx. 734 g)

• Parallax Setting: 50 yds and beyond

• Elevation Travel: ±40 MOA

• Windage Travel: ±40 MOA

• Turret Click Value: 0.25 MOA per click

• Internal Gas Purge: Nitrogen (fogproof)

Construction & Durability

• Waterproof Rating: IPX‑7 (submersible up to 1 m)

• Housing: Aircraft‑grade aluminum

• Lens Coatings: Ultra‑wide broadband anti‑reflection SpectraCoat

• 6.5–20× Variable Magnification – Versatile zoom range for medium to long‑range shooting
• 52mm Objective Lens – Large front lens for excellent light transmission and low‑light performance
• 30mm One‑Piece Main Tube – Increased strength and adjustment range
• BDX1‑R1 Ballistic Reticle (SFP) – Second focal plane reticle with consistent subtension
• Illuminated Digital Holdover Dot – Bright aiming point that scales with distance
• SIG BDX System Integration – Bluetooth connectivity with compatible SIG rangefinders for real‑time ballistic solutions
• MOTAC™ Motion Activated Illumination – Automatically activates illumination when movement is detected
• LevelPlex™ Digital Anti‑Cant System – On‑scope digital cant feedback for improved accuracy
• 1/4 MOA Precision Turrets – Tactile, repeatable windage and elevation adjustments
• Durable, Weather‑Resistant Construction – IPX‑7 waterproof, fogproof, and shock‑resistant design
• Multi‑Coated Optics – Enhanced contrast, clarity, and reduced glare
• Powered by Dual CR2032 Batteries – Long‑lasting power for illumination and digital functions

Pre-Owned Sig Sauer Sierra 3 6.5-20x52 BDX SFP BDX1-R1 Ballistic Reticle 30mm Rifle Scope - PO2374

This product comes in its original box only.

NO OTHER ACCESSORIES INCLUDED. 

OPW 12-Month Warranty

Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means. 

Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.

Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE

COURIERS

We use DPD , RoyalMail, TNT  and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number. We are unable to add delivery notes to your order regarding safe spaces or neighbour deliveries. If you require this service it can be arranged directly with the courier once the parcel is in their network.

IN-STORE ITEMS

These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.

PRE-ORDER ITEMS

These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.

INTERNATIONAL DELIVERY & TAXES

In addition to the above information If your delivery address is outside of the UK 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. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.

NEED HELP?

If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk

-

A NOTE ABOUT DPD SHIPMENTS:

• Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
• If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
• The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
• Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
• Please view the attached slides HERE for further information!