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Questions & Answers
is this made in china? Expert Answer

The SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight is manufactured in the USA.

by Ethan, Gear Expert, April 13, 2023
Can this be mounted on a T2? Expert Answer

Yes, the SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight is compatible with Aimpoint T1/T2 pattern mounts.

by Ethan, Gear Expert, April 13, 2023
Customer Reviews
Helpful Positive Review Good Red Dot by Tyler, March 5, 2023
Seems to be a solid optic and comes with a lot of features. The glass is some of the clearest I've seen which is expected from sig, the reticle options are extremely crisp with lots of brightness setting, and you do get a range of mounting options an...
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14/46 found this helpful
Helpful Positive Review T2 in shamble by Riceroni, Verified Owner, August 8, 2024
Feature rich red dot that ends up being cheaper than a lot of the highest end Aimpoint optics. Different reticle choices, cheaper, just as robust, and clear/crisp reticle makes this a definite winner.
5/6 found this helpful
Helpful Positive Review 4xt-pro red dot sight by Chris, Verified Owner, January 29, 2024
Romeo 4xt-pro is a fantastic sight. The best one I own.
1/3 found this helpful
Helpful Positive Review Great Optic by Bryan Stephens, Verified Owner, March 26, 2024
Very well made and clear glass. Multiple reticle options and much better than the original Romeo 4. Being able to use AAA batteries is a big plus. Sig Sauer Romeo 4XT PRO is a great option in its class.
1/1 found this helpful
Helpful Negative Review Overpriced and unreliable by Aaron Jones, March 23, 2024
Bought a Romeo 4xt-pro directly from Sig. When i received it, it turned on and worked perfectly fine. I set my rifle down for a few minutes and when i picked it up the red dot was off. I tried everything to get it to work again, but it wouldnt turn o...
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12/35 found this helpful
Most Recent Reviews So far so good by John S., Verified Owner, February 5, 2025
Glass clarity, battery life, and durability on first blush appear to be top notch. Haven’t had an opportunity to fully put this optic through its paces yet but expect it to hold up to hard use.
0/1 found this helpful
Read All 13 Reviews
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Product Info for SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight

The ROMEO4XT-PRO offers the same high-end optical performance, quad-reticle, and legendary durability of the original ROMEO4T while adding key features requested by professionals.  Illumination control moves to the top, providing easy access with either hand while staying clear of chest rigs and plate carriers when slung.image

A dedicated night vision override switch makes short work of drastic changes in lighting conditions and by combining MOTAC with a common AAA battery, the ROMEO4XT-PRO is rated for 50,000 hours of runtime.  Like its predecessor, the ROMEO4XT-PRO is IPX8-rated for waterproof and fog proof performance and is tested to MIL-STD-810 to ensure reliable service.

Specifications for SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight:

Manufacturer: SIG SAUER
Magnification: 1 x
Objective Lens Diameter: 20 mm
Reticle: Ballistic Circle Dot
Illumination Type: LED
Illumination Color: Red
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 0.5 MOA
Emitter Type: Enclosed
Battery Type: AAA
Battery Quantity: 1
Battery Life: 50,000 hours
Gun Make: SIG Sauer
Weight: 7.4 oz
Attachment Type: Screw

Features of SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight

  • Top mounted activation with NV override control, 50, 000hr runtime, 3 mounting heights come standard in box.

Package Contents:

  • SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight
  • 3 mounting heights clear flip-backs opaque front flip back and ARD kill-flash.

SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight Orderable Models

List of Orderable Models

SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, BLACK, SOR44001 , MPN: SOR44001 , UPC: 798681661534 , Code: SD9-RD-4XTPROR-SOR44001
SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, Flat Dark Earth, SOR44002 , MPN: SOR44002 , UPC: 798681661541 , Code: SD9-RD-4XTPROR-SOR44002
DEMO, SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, Flat Dark Earth, SOR44002 , MPN: SOR44002-DEMO , Code: SD9-RD-4XTPROR-SOR44002-DEMO

SIG SAUER Romeo 4XT-PRO 1x20mm Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

USED SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, Flat Dark Earth, SOR44002, EDEMO1, Condition Fair, Other , MPN: SOR44002-EDEMO1 , Code: SD9-RD-4XTPROR-SOR44002-EDEMO-OT-D
DEMO, SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, BLACK, SOR44001 , MPN: SOR44001-DEMO , Code: SD9-RD-4XTPROR-SOR44001-DEMO
USED, SIG SAUER Romeo 4XT-PRO, 1x20mm, Ballistic Circle Dot, Red Dot Sight, Flat Dark Earth, SOR44002 , MPN: SOR44002-EDEMO , Code: SD9-RD-4XTPROR-SOR44002-EDEMO-IN-C
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