What is a front sight base?

What is a front sight base?

The current FSBs are drilled and pinned through the barrel. They function as a fixed front sight that is both functional and durable. If you shoot with an Eotech or Aimpoint on your carbine or rifle, you may find that the FSB being constantly in your view is a detriment.

What is A2 sight?

Fixed A2 Style Sights A2 iron sights are fairly basic square posts that mount on the gas block. They are often used in conjunction with a carry handle fixed rear sight. Not only is the A2 sight easy to adjust and more dependable than the family dog, it’s also rock solid and tough as nails.

What is the front sight on an AR 15 called?

The traditional front sight of the AR-15 rifle is the standard A2 design. A2 iron sights are fairly basic square posts that mount on the gas block. They are often used in conjunction with a carry handle fixed rear sight. The A2 front sight remains a popular choice due to both its dependability and functionality.

What does FSB stand for ar15?

We’ve mostly been talking about the FSB (Front Sight Base) style gas block here where the front sight is combined with the gas block and there’s a reason for that.

Can you remove iron sights?

When mounting a scope or a different type of sight on your rifle it may become necessary to remove the rifle sights that are already on the gun. Thankfully this will not require a trip to the gunsmith, as the process is fairly simple and straightforward.

What is absolute co witness height?

Well, it’s all about mount height for your optic. A . 83 inch riser mount will give you absolute co-witness with standard height AR sights.

What does absolute co witness mean?

With absolute co-witness, you are getting 100% of the iron sight present through your red dot. You see it all. The red dot or reticle of whatever kind is going sits on the tip of the front sight and generally is aligned with your iron sights.