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Why the C4 Sights and Apollo Max Muzzle Brake? Watch The Social Regressive review the Ultradyne C4 sights and Apollo Muzzle Brake. The Ultradyne C4 iron sights come equipped with Dynalign technology, … read more

Sighting in the Ultradyne C4 Sight Watch how to use the unique Ultradyne C4 sight. This sighting system has adjustments for maximum precision all the way up to 600 yards. … read more

Check Out the C4 Dynamount Front Sight The C4 Dynamount Front Sight is a game changer.  Watch this video to see some of the reasons why. … read more