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Designed for rifles
5mm) and aluminum stake (8" threaded)
One system
Caliber: 22-250 Remington
the FX Crown MKII emerges as a game-changer
Holosun 407/507K Adapter for FN509 .35 Air Designed for riflesThe Holosun K FN509 adapter plate is a precision machined mounting solution designed to fit Holosun 407K and 507K series reflex sights to FN509 pistols. This adapter plate provides a secure, reliable mounting platform for your compact optic. Precision Fit Engineered specifically for compatibility between Holosun K series compact reflex sights (407K and 507K models) and FN509 pistols, this adapter ensures proper alignment and a rock solid mount for
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