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This insert effectively reduces side blast and noise
-Superior Overall Strength
The innovative design incorporates captured detents on each lever
-1000 Lumens
MILSPEC Type III hard coat anodized for durability
HOLOSUN 509 ADAPTER FOR FN509 Muzzle Brakes This insert effectively reduces sideThe Holosun 509 Adapter for FN509 is a durable mounting solution for optics ready FN509 pistols. Its compact design ensures compatibility with Holosun 509 optics, while the aluminum construction withstands recoil. The adapter includes all necessary hardware for straightforward installation and maintains compatibility with optics ready holsters. Designed for the FN509s proprietary mounting system, it provides a stable platform for enhanced targeting.