Best Red Dot for USPSA Carry Optics in 2026: 507COMP vs SRO vs Defender XL, 407COMP and 507-PROMAX
Posted by Vincent Hall on 9/13/2026 to
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Updated September 2026. After another year of matches, high round counts and warranty claims, we compare the Holosun 507COMP, Trijicon SRO and Vortex Defender XL — and add the big-dot 407COMP and the new 507-PROMAX. Our favorite has not changed, but the reasons have.
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