45 Degree Offset Flip Up Iron Sights for AR15 – Fiber Optic Red Green Dots, Tool-Free Adjustable, 20mm Rail Mount, Rapid Transition Backup Canted Sights for Rifle Shooting Outdoors

45 Degree Offset Flip-Up Iron Sights for AR15 – Fast, Accurate Backup Sighting

Upgrade your AR15 with these precision-engineered 45-degree offset flip-up iron sights. Designed for rapid transition shooting, these canted backup iron sights (BUIS) let you instantly switch from your primary optic to iron sights without repositioning your rifle. Equipped with fiber optic red and green dots for enhanced visibility in any lighting condition, and fully tool-free adjustable for elevation and windage. Mounts easily to any standard 20mm Picatinny rail — left or right side. Available in 3 configurations: standard, with rail mount, and with brass catcher.

Why Shooters Choose These Offset Sights

• 🎯 45° Offset Canted Design – Allows instant transition from magnified optic to iron sights with a simple rifle tilt — no scope removal needed
• 🔴 Fiber Optic Red & Green Dots – High-visibility fiber optic inserts improve target acquisition speed in bright and low-light conditions
• 🔧 Tool-Free Elevation & Windage Adjustment – Front sight post adjusts via integrated screw; rear windage adjusts via side screw — no tools required in the field
• 🔍 Dual Aperture Rear Sight – Two aperture sizes for quick conversion between close-range and long-range target acquisition
• 🛠️ Easy 20mm Rail Installation – Attaches to any standard Picatinny/Weaver rail with an Allen key; mounts on left or right side
• ⚡ Flip-Up Button Design – Spring-loaded flip-up mechanism deploys instantly with a single button press

Product Specifications

Frequently Asked Questions

Q: Who are these sights best suited for?
A: These sights are ideal for AR15 owners who use a primary magnified optic and need reliable backup iron sights for close-range or rapid transition shooting. They're popular with 3-gun competitors, tactical shooters, and hunters.

Q: How do the 45-degree offset sights work?
A: The sights are mounted at a 45-degree angle on the side of your rail. When you need to transition from your scope to iron sights, simply tilt your rifle 45 degrees — the offset sights come into alignment instantly without removing your primary optic.

Q: Are these sights tool-free to adjust?
A: Yes — elevation is adjusted via the integrated front sight post screw, and windage is adjusted via the rear side screw. Both can be adjusted without additional tools in the field.

Q: What rail system do these sights fit?
A: These sights are compatible with any standard 20mm Picatinny or Weaver rail and can be mounted on either the left or right side using an Allen key.

Q: What is the difference between the three variants?
A: The standard Black variant includes the offset iron sights only. The Rail Mount variant adds a rail mount accessory. The Brass Catcher variant includes a brass catcher for keeping your range clean during semi-auto shooting.

Q: Do these make a good gift for a shooter?
A: Yes — these are a practical and appreciated upgrade for any AR15 owner. Great for birthdays, Father's Day, or holiday gifts for shooting sports enthusiasts.

Fast US Shipping

Ships from US warehouse, free delivery 2-7 business days.