Sig Sauer Romeo Zero for sale
(20)
SIG Sauer P365 .380 RomeoZero Elite Pistol 10rd, Black - 365-380-BSS-RXZE
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
3.1 inches
Caliber:
.380 ACP
Capacity:
10
Finish Per Color:
Black
(0)
Sig Sauer P320 RXZP 9mm, 4.7" Barrel, Black, ROMEO ZERO Sight, 10rd
Brand:
Sig Sauer
Action:
Pistol
Barrel Length:
4.7 inches
Caliber:
9×19mm Parabellum
Capacity:
10+1
Finish Per Color:
Black
(11)
SIG Sauer P365X 9mm Pistol Romeo Zero Micro-Compact, Blk - 365X-9-BXR3-RXZ
Brand:
Sig Sauer
Action:
Striker Action
Barrel Length:
3.1"
Caliber:
9×19mm Parabellum
Capacity:
12
Finish Per Color:
Black
(20)
SIG Sauer P365 XL 9mm Pistol 12rd w/ RomeoZero Elite Optic - 365XL-9-BXR3-RXZE
Brand:
Sig Sauer
Action:
Pistol
Barrel Length:
3.7"
Caliber:
9×19mm Parabellum
Capacity:
12
Finish Per Color:
Black
(0)
Sig Sauer P320 RXZP 9mm Compact 3.9in, Nitron, Blk, Striker, Mod Poly Grip, (2) 15rd Steel Mag, 3MOA ROMEO ZERO PRO Pistol 320C-9-B-RXZP
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
3.9 inches
Caliber:
9×19mm Parabellum
Capacity:
15
Finish Per Color:
Black
(0)
Sig Sauer P320 RXZP 9mm Compact 3.9in, Nitron, Blk, Striker, Mod Poly Grip, (2) 10rd Steel Mag, 3MOA ROMEO ZERO PRO Pistol 320C-9-B-RXZP-10
Brand:
Sig Sauer
Action:
Pistol
Barrel Length:
3.9 inches
Caliber:
9×19mm Parabellum
Capacity:
10+1
Finish Per Color:
Black
(2)
SIG Sauer P365 XL NRA 9mm Pistol w/ Romeo Zero, Coyote - 365-XL9-CX-R-3NC3
Brand:
Sig Sauer
Barrel Length:
3.7"
Caliber:
9×19mm Parabellum
Capacity:
15+1
Rounds:
12
(0)
SIG Sauer P320 RXZP 9mm 4.70" 15+1 Black Pistol ROMEOZero Pro
Brand:
Sig Sauer
Action:
STRIKER
Barrel Length:
4.7 BARREL
Caliber:
9×19mm Parabellum
Capacity:
15+1
(1)
Sig Sauer P365X RomeoZero Elite Semi-Auto Pistol Value Pack
Brand:
Sig Sauer
Barrel Length:
3.1"
Caliber:
9×19mm Parabellum
Marketplace Insights
★ 4.6/5
based on 66 customer reviews across 11 variants from 31 retailers
Highly praised compact carry pistol with excellent ergonomics and reliability, though some users report optic quality and holster concerns.
What customers like
Excellent EDC/Conceal Carry42%
Totally awesome probably the best EDC gun on the market.
Accurate & Reliable Shooting35%
Shoots perfect right out of the box and mine came with a thumb safety
Comfortable Grip & Handling27%
For someone with bigger hands, the P365X allows more purchase on the grip
High Capacity in Compact Size18%
The 12 +1 capacity in such a small frame is very concealable.
Quality Build & Design15%
What is most impressive about the SIG is the quality of it's design, workmanship
Common concerns
Optic Issues & Quality12%
The optic on this is a joke. It's not the actual Romeo zero elite
Magazine Loading Difficulties11%
Gun is good, a little finicky with loading mags.
Poor Holster Quality8%
every thing is perfect except the holster is worthless.
Delivery & Packaging Issues8%
Gun arrived at FFL dirty with heavy carbon build up.
Feed Issues & Reliability5%
Nothing but problems shooting the first time. Lots of FTF.
Frequently Asked Questions
Sig Sauer Romeo Zero for sale
Is Sig Sauer Romeo Zero good?
The Romeo Zero is a compact, lightweight red dot suited for smaller pistols like the P365. It's reliable with decent battery life and good mounting compatibility. Most users consider it solid value for concealed carry. Pricing typically runs $150–$200, with variants widely available.
How much does a Romeo Zero cost?
Romeo Zero units typically cost around $150 based on current street prices, with most ranging $100–$199. We track 11 variants across 31 retailers, with 10 currently in stock.
What are the common problems with the Romeo Zero Elite?
Reported issues include zero shift after extended use, reticle brightness adjustment problems on some units, and low co-witness height with standard iron sights. Some users report difficulty changing reticle patterns. Battery concerns appear occasionally. SIG Sauer typically handles warranty repairs for defective units.
What's the difference between Romeo Zero and Romeo Zero Elite?
Romeo Zero Elite adds a switchable circle-dot reticle, a protective shroud, and Touch-Activated Programming for battery management. The standard Romeo Zero has a fixed red dot and simpler design. Note that the Elite uses a polymer lens, while some versions of the standard Romeo Zero also use polymer.
How long does a Romeo Zero battery last?
SIG rates the Romeo Zero battery at 10 years. Real-world life varies widely—users report three weeks to over a year depending on reticle mode, brightness setting, and shake-awake use. The circle-dot reticle drains faster than the dot alone. Carry habits and battery quality also affect longevity.
What battery does a SIG Romeo Zero use?
The SIG Romeo Zero uses a CR1632 coin cell battery (3-volt lithium). It installs from underneath the sight with the positive side facing outward.
How to replace sig romeo zero battery?
Remove the optic from your firearm. Use a coin or flathead tool to unscrew the battery door on the underside. Replace the CR1632 coin cell battery with the positive side facing outward. Reinstall the door and remount the sight.
What footprint does the Romeo Zero use?
The Romeo Zero uses the Shield RMS-c footprint, a compact variant distinct from the standard RMS/SMS. SIG includes two sets of mounting screws with commercial versions to accommodate different slide configurations.