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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Includes gas block
Green Spring
and target shooting
Thread: 1/2x28 RH
Ensures secure attachment of KeyMo adapters to suppressors
HOLOSUN 503R RED MRS Long Gun Parts Includes gas blockThe Holosun 503R MRS is a micro red dot sight with a Multi Reticle System (2MOA dot + 65MOA circle) for versatile targeting. Its 6061 T6 aluminum housing withstands 1000G vibrations, and the IP67 rating ensures reliability in wet conditions. The rotary switch adjusts reticle intensity across 12 settings (10 daylight, 2 NV compatible). Compatible with standard mounts, it includes a lower 1 3 co witness mount and CR2032 battery. Features Specs: Reticle: