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SIG ROMEO 1 PRO
SIG ROMEO 1 PRO
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Home HANDGUNS SEMI-AUTOMATIC HANDGUNS SIG SAUER SIG SAUER ROMEO 1 PRO
Sig P226 XFive legion
SIG SAUER P226 XFIVE LEGION $1,949.00
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sig romeo zero
SIG SAUER ROMEO ZERO ELITE $245.00 Original price was: $245.00.$198.99Current price is: $198.99.

SIG SAUER ROMEO 1 PRO

Rated 4.33 out of 5 based on 3 customer ratings
(3 customer reviews)

$344.00 Original price was: $344.00.$299.00Current price is: $299.00.

FREE SHIPPING for orders within select regions

SPECIAL DISCOUNT: $10 OFF for All first-time shoppers
BONUS: Get your arm clean with a FREE Cleaning Kit!

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Categories: OPTICS, SEMI-AUTOMATIC HANDGUNS, SIG SAUER
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  • Description
  • Reviews (3)
  • Shipping & Delivery
Description

Sig ROMEO 1 PRO: Precision Redefined for Your Pistol or Rifle

The Sig ROMEO1 PRO is a premium open-reflex red dot sight engineered for fast target acquisition, competitive shooting, and tactical performance. Designed to pair seamlessly with Sig’s X-Series pistols like the P320 X5 Legion, as well as modern sporting rifles, the ROMEO1 PRO delivers reliability, clarity, and rugged construction.


How to Turn On ROMEO 1 PRO

“How do I turn on the Sig ROMEO 1 PRO?” It’s easy:

  1. Press either brightness button to power on.

  2. Use the ▲ or ▼ buttons to adjust brightness across 10 daytime settings and 2 NV-compatible modes.

  3. The optic includes MOTAC (Motion Activated Illumination)—it turns on with movement and powers down when idle.


Sig ROMEO 1 vs ROMEO 1 PRO – Key Differences

The ROMEO1 PRO is an upgraded evolution of the original ROMEO1 optic, and the differences matter—especially for serious shooters.

 

Feature  ROMEO1  ROMEO1 PRO
Lens Material Polymer-coated glass Molded Aspheric Glass
Housing Magnesium Aircraft-Grade Aluminum
Footprint Proprietary Leupold DeltaPoint Pro
Battery Access Bottom-load Top-load (Toolless)
Durability Moderate MIL-SPEC ruggedized

Verdict: If you’re comparing the Sig ROMEO 1 vs ROMEO 1 PRO, the PRO model wins in clarity, durability, and mounting flexibility.


Sig ROMEO 1 PRO Battery – What Powers It?

Wondering “what battery does the Sig ROMEO 1 take?” or how the PRO model differs? Here’s the answer.

  • Battery Type: CR1632 (3V Lithium Coin Cell)

  • Battery Life: ~20,000+ hours (typical use)

  • Battery Access: Top-loading on ROMEO1 PRO (no need to remove the optic)

Note: The Sig ROMEO 1 battery loads from the bottom, requiring optic removal—whereas the ROMEO1 PRO battery access is tool-less and user-friendly.


Where to Buy It Now

If you’re looking for a Sig ROMEO 1 for sale, top vendors include:

  • OpticsPlanet

  •  Palmetto State Armory

  • ArmsandAmmonation

  • Sig Sauer Official Store

Sig ROMEO 1 Prices typically range from $319 to $439 depending on availability, mount kits, and battery inclusions. Be sure to check for package deals that bundle the ROMEO1 PRO with Sig X-series pistols like the P320 X5 Legion.


Sig ROMEO 1 PRO Mount Compatibility – What Will It Fit?

One of the strongest features of the ROMEO1 PRO is its mounting versatility.

 Direct Compatibility:

  • Sig Sauer P320 X-Series (X5 Legion, AXG, XCompact)

  • M17/M18 models (with optic cut)

  • Any slide cut for the Leupold DeltaPoint Pro footprint

 With Adapter Plates:

  • Glock MOS (w/ DPP plate)

  • CZ Shadow 2 OR

  • FN 509 Tactical

  • Smith & Wesson M&P CORE (w/ DPP adapter)

If you’re wondering “what footprint is the Sig ROMEO 1 PRO?”, it uses the DeltaPoint Pro footprint, which expands its compatibility across dozens of platforms.


Sig ROMEO 1 PRO Review – Field-Tested Performance

In real-world testing, the ROMEO1 PRO delivers:

  • Crystal-clear glass with zero distortion

  • Rugged aluminum housing that resists drops, recoil, and harsh environments

  • Fast dot acquisition (3 MOA dot)

  • Waterproof (IPX7) and fogproof construction

  • Tool-less battery access – a huge time-saver in the field


📦 What’s Included in the Box

  • ROMEO1 PRO Reflex Sight (3 MOA or 6 MOA)

  • Protective cover

  • CR1632 battery

  • Mounting screws

  • Instruction manual


Quick Summary: Why Buy the ROMEO1 PRO?

 

 Pros ⚠️Cons
MIL-SPEC aluminum housing Slightly heavier than ROMEO1
Top-loading battery (no tools) Not compatible with original ROMEO1 footprint
DeltaPoint Pro footprint Limited MOA size options
MOTAC power-saving tech Brightness adjustment is slow for some users
Optic-ready for P320 X-series

Buy The ROMEO 1 PRO Today

Looking for a red dot that pairs perfectly with your Sig pistol or tactical rifle? The Sig ROMEO1 PRO is the elite-tier upgrade for precision shooters.

Shop verified in-stock listings:

  • OpticsPlanet

  • ArmsandAmmonation– Sig ROMEO1 PRO for sale

  • GunBroker – Auctions and Private Sales

Reviews (3)

3 reviews for SIG SAUER ROMEO 1 PRO

  1. Rated 4 out of 5

    Zen – June 10, 2024

    Good,Just wish the brightness stepped faster

  2. Rated 4 out of 5

    Hughs – August 23, 2024

    Fast shipping

  3. Rated 5 out of 5

    Greg – April 17, 2025

    Best suppressor-height sights. Worth the upgrade

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Shipping & Delivery
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