Offset iron sights, also known as canted sights or 45 degree iron sights, offer a great way to utilize back up sights on your AR, especially if you're running a magnified optic. Our selection of the best offset iron sights on the market today, offer the perfect combination of functionality and reliability. Choose from a variety of offset sights including fixed and flip up styles. Upgrade your rifle today with AR-15 Offset Sights at Primary Arms.