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SIG Romeo1Pro vs Holosun 507C X2

Two red dots, side by side — the specs that decide it, and where to buy each.

SIG Romeo1Pro
Where to buy
≈ $480 MSRP
Holosun 507C X2
Where to buy
≈ $350 MSRP
Price$480$350
Dot size3 MOA2 MOA
Window
EmitterOpenOpen
MountPistol (MRDS)Pistol (MRDS)
FootprintLeupold DeltaPoint ProTrijicon RMR
Shake-awakeYesYes
BatteryCR1632CR1632 + Solar
Battery life20,000 hr50,000 hr
NV compatibleYesYes
Weight1 oz1.5 oz

Specs are research-verified from each maker; prices are MSRP unless a live offer is shown. Confirm fit for your firearm before buying.

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