Description
The Daniel Defense Rail-Mount Fixed Front Sight is one of those parts you bolt on and forget about. It's a one-piece unit machined from 6061-T6 aluminum and finished in mil-spec Type III hard coat anodize, so it shrugs off the kind of knocks and weather that make lesser sights loosen up or wear out. The 0.070 inch post gives you a crisp, clean sight picture, and the whole thing sits at absolute cowitness height, meaning it lines up naturally with the top of a standard red dot instead of fighting it.
What Sets the Rail-Mount Fixed Front Sight Apart
A lot of the thought here went into the profile. The body is rounded off with recessed hardware, so it won't grab on slings, gear, or the edge of a bag when you're pulling the rifle out. The concave radius cut into both sides isn't just for looks either. It gives your thumb a natural resting shelf for ambidextrous activation of a forward-mounted weapon light like a SureFire X300 or Streamlight TLR-1, which is a nice touch if you run a light up front.
Mounting the Daniel Defense Front Sight
Installation is about as simple as it gets. The sight slides onto any MIL-STD-1913 Picatinny rail and locks down with a single slotted fastener that threads into a self-locking stainless steel insert. That insert is what keeps it from backing out under recoil, and owners consistently report these staying rock solid through heavy round counts without drifting off zero. For best results, mount it on a handguard or gas block rail that sits on the same plane as your receiver's top rail so everything aligns properly.
As a backup or a primary iron up front, it pairs perfectly with the Daniel Defense A1.5 Fixed Rear Sight to build a complete fixed sighting system. Fixed sights like this one have a real advantage over flip-ups: there's nothing to deploy and nothing to accidentally fold, so if your optic ever goes down, your irons are already there and ready.
Key Specifications
- Manufacturer: Daniel Defense
- Manufacturer Part Number: 19-017-04013
- UPC: 852548002172
- Product Type: Fixed Front Sight
- Front Sight Post: 0.070 in
- Sight Height: Absolute Cowitness
- Elevation Adjustment: 2 MOA
- Style: Fixed
- Material: 6061-T6 Aluminum
- Finish: Mil-Spec Type III Hard Coat Anodized
- Color: Black
- Mount Type: MIL-STD-1913 Picatinny Rail
- Design: One-Piece
- Hardware: Slotted Fastener with Self-Locking Stainless Steel Insert
What’s Included
- Daniel Defense Rail-Mount Fixed Front Sight
- Slotted mounting fastener
Frequently Asked Questions
What height is the Daniel Defense fixed front sight set at?
It's set at absolute cowitness height, so the top of the post lines up with the center of a standard-height red dot. That lets you use your irons and your optic on the same plane without a riser. It works best mounted on a rail that sits on the same plane as your receiver's top rail.
How does this front sight mount to my rifle?
The one-piece sight slides onto any MIL-STD-1913 Picatinny rail and clamps down with a single slotted fastener. That screw threads into a self-locking stainless steel insert, which keeps it from backing out under recoil. No gunsmithing needed, just a screwdriver and a few minutes.
What size is the front sight post?
This model uses a 0.070 inch post, which gives a clean, defined sight picture for most shooting distances. It's adjustable for elevation, and you'll want a standard AR front sight tool to make those adjustments.
Does this pair with a rear sight for a full setup?
Yes, it's designed to complement the Daniel Defense A1.5 Fixed Rear Sight for a complete fixed iron sight system. Run the pair as your primary irons or as a bombproof backup behind a red dot. Since there's nothing to flip up, your sights are always ready if the optic fails.






Reviews
There are no reviews yet.