FMA FBUS Gen3 Iron sights – Black


Flip up adjustable polymer back-up sights designed to fit any 20mm rail. Never lose accuracy with a set of FBUS

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icon Description

FMA FBUS Gen3 Iron sights – Black

The new Gen3 folding back-up iron sights by FMA are a great option if you need some standard sights to temporarily replace your dot sight is it runs out of battery or gets damaged.

They fold and lock down in place sitting flat to the 20mm rail they’re mounted on and use a simple button on each sight to quickly deploy them at any time.

The front sight elevation is adjustable to help assist you with aiming and the rear sight is adjustable for windage as well as having a small and large aperture depending on what range you’re shooting at.


  • Polymer construction
  • Windage and elevation adjustment
  • Quick deploy buttons
  • Locks down easily
  • Mounts onto any 20mm RIS rail
  • Colour: black
icon Brand

FMA Tactical Gear

FMA is a well-known brand in the airsoft community, known for its high-quality and durable products at affordable prices. Prioritising affordability and functionality, their airsoft helmets, masks, and goggles are popular choices for players of all levels. We stock a wide range of FMA products, including helmets, mounted flashlights, headset adaptors, and gun spares. Shop our range today!
icon     Interest Free Finance Available 0% APR finance available on orders over £30

Paypal Pay in 3 

Socom Tactical are pleased to announce we are able to offer 0% interest-free finance on all orders to Paypal customers

For full information please check out our finance page

Choose Pay in 3 at checkout where PayPal is available, and enjoy the power to split your purchase into three interest-free payments, with no set up fees or charges.* It’s a great way to help you stay in control of your budget.
paypal pay in 3 Pay in 3: Easy as 1-2-3…
  1. Check out with Paypal
  2. Choose “Pay in 3” and complete your order
  3. Make the first payment now, the rest in two payments every month on the same date.
icon    Delivery Times and Costs View our Delivery Times and Costs

At Socom Tactical we aim to ship all orders same working Day During our working hours. All orders before 14:00 we aim to ship the same day. Shipments are shipped Monday, Wednesday, Thursday, Friday sadly due to no collections we are unable to ship Saturdays.

Pricing and Times

UK Mainland   £6 or Free on orders over £100

Europe   £10 - Delivery 3-7 working days (Excluding any customs delays)

Rest of the World   4- 14 Working Days (Excluding any customs delays)

Additional Time There May / Will be additional delays for Remote UK, Highlands and Islands, as well as Northern Ireland typically this, adds an additional 1-2 working day

UK Shipping Methods -   Typically most orders over £30 or 1kg are sent via DPD local Next Working Day delivery. You will receive an email and/or Text message from DPD with a 2-hour delivery window. Packages under 1kg or £30 will be shipped by Royal Mail First Class Tracking number can be viewed on your account

EAN: TB995-BK Category: