Glock 17 Gen6 ★ Recommended
Slide Cut: Gen6 ORS
Gen6 ORS - direct mount with included plate
Gen6 ORS - direct mount with included plate
SWAT Optics Verified
Updated:
4,900+ Tested Combinations
110+ Optics
262+ Handguns
What Handguns Fit the Holosun 507C X3 Ultra?
5 compatible handguns verified • 5 direct fit • 0 with adapter plate
📋 Quick Answer
The Holosun 507C X3 Ultra fits 5 handguns. 5 pistols accept direct mounting with the RMR footprint—no adapter needed, including the Glock 17 Gen6, Glock 19 Gen6, Glock 45 Gen6. 0 additional handguns are compatible using adapter plates that convert other slide cuts to the RMR pattern. This compatibility data is SWAT Optics Verified.
Does the Holosun 507C X3 Ultra fit my handgun?
The Holosun 507C X3 Ultra uses the RMR footprint mounting pattern. If your handgun has a RMR-cut slide, the Holosun 507C X3 Ultra mounts directly without adapters. SWAT Optics has verified 5 handguns with direct RMR 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.
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Holosun 507C X3 Ultra
Footprint: RMR
Emitter: open
Compatible: 5 handguns
5
Total Compatible
5
Direct Fit
0
With Adapter
4
Recommended
Which Handguns Accept the Holosun 507C X3 Ultra Directly?
5These 5 handguns have RMR-cut slides that accept the Holosun 507C X3 Ultra 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.
Glock 19 Gen6 ★ Recommended
Slide Cut: Gen6 ORS
Gen6 ORS - direct mount with included plate
Gen6 ORS - direct mount with included plate
Glock 45 Gen6 ★ Recommended
Slide Cut: Gen6 ORS
Gen6 ORS - direct mount with included plate
Gen6 ORS - direct mount with included plate
Glock 49 Gen6 ★ Recommended
Slide Cut: Gen6 ORS
Gen6 ORS - direct mount with included plate
Gen6 ORS - direct mount with included plate
Glock 49X MOS
Direct mount - no plate needed
Which Handguns Need an Adapter Plate for the Holosun 507C X3 Ultra?
0These 0 handguns require an adapter plate to mount the Holosun 507C X3 Ultra. The adapter converts the handgun's native slide cut to the RMR footprint pattern. Adapter plates are available from various manufacturers and typically cost $20-50.
No adapter-compatible handguns found for this optic.
Frequently Asked Questions About Holosun 507C X3 Ultra Compatibility
What handguns fit the Holosun 507C X3 Ultra?
The Holosun 507C X3 Ultra fits 5 handguns total. 5 pistols accept direct mounting without adapters, while 0 additional handguns are compatible using adapter plates. Popular direct-fit options include Glock 17 Gen6, Glock 19 Gen6, Glock 45 Gen6, Glock 49 Gen6, Glock 49X MOS.
Does the Holosun 507C X3 Ultra require an adapter plate?
It depends on your handgun's slide cut. If your pistol has a RMR-cut slide, the Holosun 507C X3 Ultra 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 RMR pattern.
What mounting footprint does the Holosun 507C X3 Ultra use?
The Holosun 507C X3 Ultra uses the RMR 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.
What fits the Holosun 507C X3 Ultra?
The Holosun 507C X3 Ultra fits 5 handguns total. 5 accept it with direct fit (no adapter needed), and 0 require an adapter plate. Popular options include Glock 17 Gen6, Glock 19 Gen6, Glock 45 Gen6, Glock 49 Gen6, Glock 49X MOS.
What footprint is the Holosun 507C X3 Ultra?
The Holosun 507C X3 Ultra uses the RMR footprint mounting pattern.
Which handguns can mount the Holosun 507C X3 Ultra without an adapter?
5 handguns accept the Holosun 507C X3 Ultra with direct fit: Glock 17 Gen6, Glock 19 Gen6, Glock 45 Gen6, Glock 49 Gen6, Glock 49X MOS.
Is the Holosun 507C X3 Ultra good for concealed carry?
The Holosun 507C X3 Ultra has an open emitter. It works for concealed carry, though enclosed emitters may be preferred for pocket carry.
How is this compatibility data verified?
SWAT Optics verifies all compatibility through physical testing. Our database contains 262+ handguns, 110+ optics, and 4,900+ verified records.
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