AR-15 Sights – Flip-Up, Fixed & BUIS for Every Build

Q: What are the best AR-15 sights for beginners?

Flip-up BUIS such as Magpul MBUS are popular for beginners because they are affordable, durable, and easy to use.

Q: Can AR-15 BUIS be used with red dots?

Yes. BUIS can co-witness with red dots or serve as a backup sighting option if your optic fails.

Q: What’s the difference between flip-up and fixed AR-15 sights?

Flip-up sights fold down for a low profile and deploy when needed, while fixed sights are always ready and provide maximum durability.

Q: Are offset AR-15 sights worth it?

Offset BUIS are mounted at a 45-degree angle, allowing you to keep optics installed while quickly transitioning to iron sights by tilting the rifle.

Q: Do AR-15 night sights really glow in the dark?

Yes. AR-15 night sights that use tritium provide a continuous glow without batteries, making them ideal for low-light shooting.

AR-15 Sights – Flip-Up, Fixed & BUIS for Every Build

BUIS Sights

AR-15 Front Sight

Laser Sights

AR-15 Rear Sight

AR-15 Flip Up Sights

HK Style AR Sights

**Sight-Link - AR-15 Fiber Optic Front Sight Post** $51.00

**A.R.M.S. 40L-F Rail Mounted Flip-Up Front Sight** $170.00

**A.R.M.S. #71L Flip Up Sights (Front and Rear Set)** $144.00

**A.R.M.S. #40 Flip Up Rear Sight** $160.00

**Ameriglo AR-15 Night Sight (Tritium) Front Post** $59.00

A.R.M.S. #40L Rear Sight - Low Profile Flip UP Sight $170.00

**A.R.M.S. Silhouette #41-BL Folding Front Sight with Bayonet Lug** $203.00

**A.R.M.S. #41B Silhouette Folding Front Sight** $203.00

**PRI Flip up Front Sight with .750" gas block** $186.00

**PRI .625 Gas Block Flip Up Sight** $191.00

**PRI Rail Mounted Flip Up Front Sight** $122.00

**Samson Quick Flip FFS-EXT - Railed Gas Block Folding Front Sight** $92.96

**Samson Quick Flip AR Rear Sight** $107.64

**Samson FFS AR-15 Folding Front Sight (AR15 Flip Up Sights)** $92.96

**A.R.M.S. #71L series, Front Sight** $68.00

**A.R.M.S. #71L series, Rear Sight** $90.00

**NcStar AR-15 Detachable Carry Handle** $39.99

**Trijicon AR-15 Green Front Night Sights - CP25F** $58.80

**Aim Sports Rear Flip Up AR-15 Diopter Sights** $24.95

**Dueck Defense RTS Front & Rear Rapid Transition 45 Degree Iron Sights** $219.95

**Aim Sports AR-15 Detachable Carry Handle** $24.95

Your AR-15 is only as good as the sights you run. Whether you’re building your first rifle, upgrading for competition, or setting up a home defense carbine, the right AR-15 sights will give you speed, accuracy, and reliability when it matters most. At Mounts Plus, we carry a wide selection of iron sights, flip-up BUIS, offset sights, and tritium night sights from trusted brands like Magpul, TROY, Trijicon, and Midwest Industries.

Why Upgrade Your AR-15 Sights?

Accuracy & Speed: Get faster target acquisition and consistent hits.
Backup Reliability: BUIS ensure you’re never without a sighting option if optics fail.
Versatility: Flip-up, fixed, and offset designs give you flexibility for any setup.
Durability: Built to withstand recoil, drops, and field use.
Compatibility: Works with red dots, LPVOs, and magnified optics.

Types of AR-15 Sights We Offer

Flip-Up AR-15 Sights

Low-profile when stowed, flip-up BUIS deploy instantly when you need them. Ideal as backups for red dots and scopes.

Fixed AR-15 Sights

Always up and always ready, fixed iron sights provide rock-solid reliability for duty or defensive use.

Offset / 45-Degree BUIS

Mounted at an angle, offset BUIS allow you to run magnified optics while keeping irons ready with a quick rifle tilt.

Night Sights (Tritium)

Perfect for low-light conditions, tritium-powered AR-15 sights glow without batteries and ensure visibility in defense or duty scenarios.

Top Brands for AR-15 Sights

We stock leading manufacturers known for durability and performance:

Magpul MBUS & MBUS Pro
TROY Industries BattleSights
Trijicon
Samson Manufacturing
Midwest Industries

Whether you’re looking for budget-friendly polymer sights or premium steel sets, you’ll find the right fit here.

How to Choose the Best AR-15 Sights

Purpose: Competition shooters often choose offset BUIS, while home defense setups benefit from tritium sights.
Material: Polymer BUIS are lightweight and affordable, while aluminum and steel options provide maximum durability.
Optic Pairing: If you run a red dot, consider co-witness flip-up sights; for scoped rifles, offset BUIS are the best choice.
Budget vs Premium: Magpul MBUS offers incredible value, while TROY and Trijicon deliver military-grade performance.

✅ Frequently Asked Questions (FAQ)

Q: What are the best AR-15 sights for beginners?
A: Flip-up BUIS from Magpul MBUS are affordable, easy to use, and reliable, making them a popular choice for new AR-15 owners.

Q: Can AR-15 BUIS be used with red dots?
A: Yes. They can co-witness with your optic or serve as a backup if your red dot fails.

Q: What’s the difference between flip-up and fixed AR-15 sights?
A: Flip-up sights fold down for a clean profile and deploy when needed, while fixed sights are always ready and preferred by those who want maximum readiness.

Q: Are offset AR-15 sights worth it?
A: Offset BUIS are ideal if you run a magnified scope or LPVO, since you can tilt your rifle and immediately switch to irons without removing your optic.

Q: Do AR-15 night sights really glow in the dark?
A: Yes. Tritium AR-15 night sights glow continuously without batteries, giving you a reliable aiming option in low-light conditions.

🔗 Shop AR-15 Sights at Mounts Plus

At Mounts Plus, we make it easy to find the best AR-15 sights for your build. Whether you need flip-up BUIS, fixed irons, offset sights, or tritium options, we’ve got you covered with fast shipping and trusted brands. Upgrade your rifle today and get the performance and confidence you deserve.