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Backup Iron Sights

Backup Iron Sights provide critical redundancy in your AR setup. When your optics fail, you'll be glad you had them.

We offer backup iron sights from major brands like Troy, Diamondhead, and Magpul, as well as our own AT3 Tactical sights. Fixed, folding, tritium, 45 degree sights - we have them all. 

Want to learn more about iron sights? Check out our article: Backup Iron Sights: How to Pick the Best Sights for Your AR-15

123 reviews
$45.99 $54.49

Dead-on accurate 45 degree AR-15 iron sights at a fraction of the cost of the "big brands" FEATURES: Allows the user to quickly switch from optics to iron sights by slighly rotating the rifle Universal - mounts to any picatinny rail system that is at the height of the flat top upper Works best for right-handed shooters, but can be...

23 reviews
$49.99 $58.99

Sleek and lightweight, durable and accurate - the AT3 Pro Series Backup Iron Sights are the ultimate value in AR-15 iron sights! Accurate and Easy to Use Standard A2 sight design makes these easy to sight in. Adjustable front sight post controls the elevation, and the rear sight features a simple knob for windage adjustment Rear sight features a dual aperture - a...

113 reviews
$38.99 $45.99

AT3 Tactical Flip Up Backup Iron Sights (BUIS) provide dead-on accuracy, superior durability, and the best value for AR-15 iron sights! Available in 2 types: Gas Block Sights - for mounting on gas blocks that are lower than the upper receiver (usually about 1/4" lower than the upper receiver rail) Same Plane Sights - Made for mounting on quad rails or...

$188.99 $199.00

Troy Micro Sight Set - M4 Style - Folding Troy BattleSights set the world standard for performance and durability. Now, Troy has developed a rugged low-profile sight designed for firearms with top rails higher than the standard M4. For shooters who favor a sightline that's as close to the barrel as possible, or for those with raised top rail systems,...

$61.85

The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform. Made in U.S.A. Features Impact resistant polymer construction provides light weight and resists operational abuse Spring-loaded flip up sight easily...

6 reviews
$112.99 $119.00

Troy Rear Battle Sight Black - Folding - Optional Tritium. Durability and dead-on accuracy have made Troy Industries Folding BattleSights the hands-down choice of Special Ops and tactical users worldwide. Easy to install and to deploy, with no levers or springs to fumble with, these sights position apertures at exact factory height. A stainless-steel cross-locking system ensures sights remain upright...

1 review
$112.99 $119.00

Di-Optic Aperture (DOA) Folding Rear Sight with Optional Tritium Illumination Advanced design, superior sighting and battle-ready toughness define Troy Industries' Di-Optic Aperture (DOA) Folding Rear BattleSight. These sights provide lightning fast target acquisition and are manufactured to exceed military specs. The optically engineered apertures center your eyes instantly and effortlessly providing a clearer target picture than with round apertures. Optionally...

2 reviews
$93.99 $99.00

Durability and dead-on accuracy have made Troy Industries M4 Style Folding BattleSights the hands-down choice of Special Ops and tactical users worldwide. Easy to install and to deploy, with no levers or springs to fumble with, these sights position apertures at exact factory height. A stainless-steel cross-locking system ensures sights remain upright and zeroed under extreme combat conditions. A push...

1 review
$188.99 $199.00

Troy Micro Sight Set - HK Style - Folding Troy BattleSights set the world standard for performance and durability. Now, Troy has developed a rugged low-profile sight designed for firearms with top rails higher than the standard M4. For shooters who favor a sightline that's as close to the barrel as possible, or for those with raised top rail systems,...

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4 reviews
$235.85

This set includes are the re-styled Diamond Rear Combat Sight and the Diamond Front Combat Sight - the perfect sights for a same-plane setup (like mounting your front sight on a free float quad rail) FEATURES: Flips up quickly for rapid deployment Folds down with the push of a button Locking system ensures sight stays up securely and remains zeroed;...

1 review
$46.45

The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform. Made in U.S.A. Features Impact resistant polymer construction provides light weight and resists operational abuse Spring-loaded flip up sight easily activated from either...

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$70.85 $76.50

The TRUGLO Tactical AR-15 gas block sight is the industry's BRIGHTEST AR-15 fiber-optic gun sight. Extra long, super bright, protected green fiber. Integral mount for Mil-Spec. 1913 Picatinny rails. Designed to mount on front gas blocks. Includes optional push-button light for use in complete darkness. CNC-machined construction. Green front. Features: - The industry's BRIGHTEST AR-15 fiber-optic gun sight. - Extra...

1 review
$51.99 $55.00

Looking for rock solid stability and dead-on accuracy in a fixed sight? Troy Industries HK Style Fixed BattleSights get the job done. This permanent, rail-mounted alternative to a standard A2 sight allows limitless mounting options on all-length rails with a serrated ramp to eliminate glare. Provides a continuous zero, unflinching durability and peace of mind. Specifications: Hardened T6 Aircraft Aluminum...

3 reviews
$60.99 $65.00

Di-Optic Aperture (DOA) Fixed Rear Sight with Optional Tritium Illumination Advanced design, superior sighting and battle-ready toughness define Troy Industries' Di-Optic Aperture (DOA) Folding Rear BattleSight. Looking for rock solid stability and dead-on accuracy in a fixed sight? Troy Industries Di-Optic Aperture (DOA) fixed sights get the job done with an advanced design, superior sighting ability and battle-ready toughness. This...

3 reviews
$93.99 $99.00

Durability and dead-on accuracy have made Troy Industries HK Style Folding BattleSights the hands-down choice of Special Ops and tactical users worldwide. Easy to install and to deploy, with no levers or springs to fumble with, these sights position apertures at exact factory height. A stainless-steel cross-locking system ensures sights remain upright and zeroed under extreme combat conditions. A push...

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1 review
$41.85 $64.40

AW11746 - AR15 Standard Carry Handle by Barska AR15 Standard Carry Handle, This two-in-one detachable carry handle for AR type rifles. Fits on flat top guns and acts both as a carry handle and a rear sight system. Integrated adjustable rear sight with windage and elevation clicks. Two strong locking thumb nuts keep handle in place.

3 reviews
$51.99 $55.00

Looking for rock solid stability and dead-on accuracy in a fixed sight? Troy Industries M4 Fixed BattleSights get the job done. This permanent, rail-mounted alternative to a standard A2 sight allows limitless mounting options on all-length rails with a serrated ramp to eliminate glare. Provides a continuous zero, unflinching durability and peace of mind. Specifications: Hardened T6 Aircraft Aluminum with...

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5 reviews
$40.45

For the ultimate back to the basics and durable detachable AR-15 carry handle, the NcSTAR MARDCH detachable carry handle is the high quality detachable AR-15 carry handle you've been looking for at a great price. Features: - Precision made AR-15 Carry Handle and A2 rear sight. The MARDCH will fit virtually all AR-15, M4, and M16 flattop Picatinny rail upper...

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$86.45

Building on the proven MBUS Pro platform, the MBUS Pro Offset Sights are part of an an effective aiming system to supplement magnified optics on M1913 Picatinny mounting surfaces. In the event of a damaged or nonfunctional primary optic, or a close target, rotating the rifle 45 degrees provides the shooter with a fully-featured iron sighting solution. The MBUS Pro...

$121.99 $129.00

Troy HK Style Front Sight - Gas Block Height - Folding - Optional Tritium. These are rugged, reliable, combat ready Battle Sights that mount securely on the gas block. Easy to install and to deploy, with no levers or springs to fumble with, these sights position apertures at exact factory height. A stainless-steel cross-locking system ensures sights remain upright and...

No reviews
$222.99 $239.00

Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding BattleSights fold compactly to both sides of the rifle. With an ambidextrous sight base, TROY 45 Degree BattleSights work seamlessly with magnified optics. Easy to install and deploy, these sights position apertures at factory height. A...

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1 review
$235.85 $248.00

This set includes the acclaimed Diamondhead Gen2 Rear Sight with the increased-height Diamond "Gas Block" Front Sight. Front sight is for mounting on gas blocks that sit lower than a flat top upper receiver. Features DIAMOND Rear Sight: Proprietary Diamond-Shaped apertures for faster target acquisition & centering Proprietary reference posts and horizon bars Dual same plane short and long range...

2 reviews
$60.99 $65.00

Troy Rear Battle Sight – Fixed Looking for rock solid stability and dead-on accuracy in a fixed sight? Troy Industries Fixed Battle Sights get the job done. This permanent, rail-mounted alternative to a standard A2 sight allows limitless mounting options on all-length rails with a serrated ramp to eliminate glare. Provides a continuous zero, unflinching durability and peace of mind....

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No reviews
$26.49 $27.97

The UTG Low Profile Rear Flip-up Sight was designed as a durable, lightweight aluminum sights at a price to fit all budgets. Flip-up Rear Sight for the AR-15 Platform and Other Long Gun Applications Equipped with Picatinny Rail Precision Machined from Aircraft Grade Aluminum with Matte Black Hard Coat Anodize Posi-Lock Design with Side Plunger Release for Positive Flipping/Folding. Compress Plunger...

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$85.45

The MBUS® Pro is a corrosion resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size. The dual aperture, windage adjustable Rear and no-tool, elevation adjustable Front excel in all 1913 Picatinny rail mounting applications, including rail-height gas blocks. Positive detents keep the MBUS PRO Front and...

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No reviews
$68.49 $91.99

XS Sights AR-15 Standard Dot Tritium Front Sight Post Enhances sight acquisition in all light conditions Ultimate "flash sight" picture Excels in high stress defensive situations For use in AR-15 front sights - swap out the standard front sight post Xs standard dot tritium front sights are the finest sights made for fast sight acquisition in all light conditions. Green...

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$104.45

Building on the proven MBUS Pro platform, the MBUS Pro Offset Sights are part of an an effective aiming system to supplement magnified optics on M1913 Picatinny mounting surfaces. In the event of a damaged or nonfunctional primary optic, or a close target, rotating the rifle 45 degrees provides the shooter with a fully-featured iron sighting solution. The MBUS Pro...

No reviews
$222.99 $239.00

Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding BattleSights fold compactly to both sides of the rifle. With an ambidextrous sight base, TROY 45 Degree BattleSights work seamlessly with magnified optics. Easy to install and deploy, these sights position apertures at factory height. A...

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No reviews
$26.49 $27.97

The UTG Low Profile Front Same Plane Flip-up Sight was designed as a durable, lightweight aluminum sights at a price to fit all budgets. Flip-up Front Sight for the AR-15 Platform and Other Long Gun Applications Equipped with Picatinny Rail Precision Machined from Aircraft Grade Aluminum with Matte Black Hard Coat Anodize Posi-Lock Design with Side Plunger Release for Positive Flipping/Folding....

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$121.99 $129.00

Troy M4 Style Front Sight - Gas Block Height - Folding.  These are rugged, reliable, combat ready Battle Sights that mount securely on the gas block. Easy to install and to deploy, with no levers or springs to fumble with, these sights position apertures at exact factory height. A stainless-steel cross-locking system ensures sights remain upright and zeroed under extreme...