Beretta APX Carry ★ Recommended
Direct fit - Micro/K footprint
22 compatible handguns verified • 22 direct fit • 0 with adapter plate
The SIG Sauer Romeo Zero fits 22 handguns. 22 pistols accept direct mounting with the RMSc footprint—no adapter needed, including the Beretta APX Carry, Canik MC9, Glock 17 Gen6. 0 additional handguns are compatible using adapter plates that convert other slide cuts to the RMSc pattern. This compatibility data is SWAT Optics Verified.
The SIG Sauer Romeo Zero uses the RMSc footprint mounting pattern. If your handgun has a RMSc-cut slide, the SIG Sauer Romeo Zero mounts directly without adapters. SWAT Optics has verified 22 handguns with direct RMSc compatibility. For handguns with different slide cuts (like Glock MOS, Sig RX, or Springfield OSP), you'll need an adapter plate—0 handguns work this way. Check the lists below to find your specific handgun model.
These 22 handguns have RMSc-cut slides that accept the SIG Sauer Romeo Zero without any adapter plate. The optic mounts directly to the slide using the included hardware. Direct mounting provides the lowest possible sight height and most secure fit.
These 0 handguns require an adapter plate to mount the SIG Sauer Romeo Zero. The adapter converts the handgun's native slide cut to the RMSc footprint pattern. Adapter plates are available from various manufacturers and typically cost $20-50.
No adapter-compatible handguns found for this optic.
The SIG Sauer Romeo Zero fits 22 handguns total. 22 pistols accept direct mounting without adapters, while 0 additional handguns are compatible using adapter plates. Popular direct-fit options include Beretta APX Carry, Canik MC9, Glock 17 Gen6, Glock 19 Gen6, Glock 43X MOS, Glock 45 Gen6, Glock 48 MOS, Glock 49 Gen6....
It depends on your handgun's slide cut. If your pistol has a RMSc-cut slide, the SIG Sauer Romeo Zero mounts directly—no adapter needed. Handguns with other slide cuts (like Glock MOS, Sig RX, or Springfield OSP) require an adapter plate to convert to the RMSc pattern.
The SIG Sauer Romeo Zero uses the RMSc mounting footprint. This is a standardized hole pattern that determines which slides the optic can mount to directly. Other popular footprints include Trijicon RMR, Shield RMSc, and Aimpoint ACRO.
The SIG Sauer Romeo Zero fits 22 handguns total. 22 accept it with direct fit (no adapter needed), and 0 require an adapter plate. Popular options include Beretta APX Carry, Canik MC9, Glock 17 Gen6, Glock 19 Gen6, Glock 43X MOS.
The SIG Sauer Romeo Zero uses the RMSc footprint mounting pattern.
22 handguns accept the SIG Sauer Romeo Zero with direct fit: Beretta APX Carry, Canik MC9, Glock 17 Gen6, Glock 19 Gen6, Glock 43X MOS, and 17 more.
The SIG Sauer Romeo Zero has an open emitter. It works for concealed carry, though enclosed emitters may be preferred for pocket carry.
SWAT Optics verifies all compatibility through physical testing. Our database contains 262+ handguns, 110+ optics, and 4,900+ verified records.
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