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Questions & Answers
Hi, does it come with a tall post? The tall post is supposed to be 0.04 inch taller than the original A2 post. Expert Answer

The Troy M4 Front Fixed Battle Sight mounts to picatinny rail that is on the same plane as the rear sight. If your gas block as a picatinny rail on top the Troy M4 Front Fixed Battle Sight can be mounted to it as long as it is not high or lower that the rest of the handguard. It will provide a true Co-witness of 1.44" centerline height.

by Ethan, Gear Expert, November 22, 2022
This is good to mount on a gas block correct? Expert Answer

The Troy M4 Front Fixed Battle Sight mounts to picatinny rail that is on the same plane as the rear sight. If your gas block as a picatinny rail on top the Troy M4 Front Fixed Battle Sight can be mounted to it as long as it is not high or lower that the rest of the handguard.

by Hunter, Gear Expert, April 14, 2022
Customer Reviews
Helpful Positive Review
Unlike the Daniel Defense fixed front sight that can be rocked into any position, Troy's fixed front is tight and designed to be slid onto the furthest position on the rail. If you plan on mounting it any further back be prepared to lube and maybe e...
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9/10 found this helpful
Helpful Positive Review
Best buy on the market by Dean Griffith, Verified Owner, June 15, 2018
I have bought a hundred different front sights and this buy from optics planet rates no.1. The ra.p is serrated to cut glare. The sight is solid and the price is the best for "brand" names I could fine . I'm ordering another for my next project and ...
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1/2 found this helpful
Most Recent Reviews
Very Good Sight but... by Nick, December 15, 2025
It's a very good sight to mount an looks great for my huild but it's very loose with the provided screw it came with. I compared another screw to a Daniel Defense Fixed Rear Sight that used a a tad bit wider screw which fit snug into the rail. The Tr...
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Most Recent Reviews
Out of spec by Dan, Verified Owner, October 20, 2025
Bought and tried to install today and it’s out of spec. Won’t secure properly on any of my uppers. Wobbly despite tightening down as much as possible. Have a different one and it’s been great but this one is off and I’m past the return window. Won’t ...
Read More...
Most Recent Reviews
Front Sight by Gary Dowdall, Verified Owner, September 11, 2024
This sight was recommended by an armourer and the quality is xlnt .
0/1 found this helpful
Most Recent Reviews
Happening… by Don, Verified Owner, December 1, 2024
Received the product promptly and it was exactly as advertised. This has not been my first experience with Optics Planet and as usual…it was great!
Read All 19 Reviews

13% OFF AR Parts + 2% Bucks

ARPARTYClick to Copy Coupon Code
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter coupon code for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
Color:
Black
Additional Features:
Dual Aperture
Condition:
New
Sight Position:
Front
Gun Model:
M4
Gun Make:
AR Platform
Front Sight Color:
Black
Rear Sight Color:
Front Sight Only
Front Post Shape:
Post
Rear Blade Height:
1.36 in
Front Blade Height:
1.36 in
Illumination Color:
None

Code: OY-IRN-SIGHTBATTM4-75266

MPN: SSIG-FBS-FMBT-02

UPC: 812699015353

List: $72.00
$71.49

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Troy M4 Front Fixed BattleSight Top Mounted Iron Sight

Troy M4 BattleSights are sturdy and reliable AR 15 Parts for your M4-platform weapon that are used and trusted by tactical operators around the globe. This rail-mounted M4 sight from Troy Industries is a permanent alternative to a standard A2 sight that allows for virtually-unlimited mounting options on rails of any length. While a fixed iron sight, the M4 BattleSight can be removed or relocated without any permanent modifications to your firearm.image

The snag-free apertures of this Troy Fixed BattleSight enhance its tactical utility by preventing clothing or equipment from snagging on the front. Each front iron sight is crafted from hardened aluminum with stainless steel components and finished with a Mil-Spec hardcoat anodizing for maximum durability, longevity, and resistance to the elements. Pick up a Troy M4 Fixed Front BattleSight to have the perfect back-up iron sight (BUIS) for tactical use or any other application.

Specifications for Troy M4 Front Fixed BattleSight Top Mounted Iron Sight:

Manufacturer: Troy
Color: Black
Additional Features: Dual Aperture
Condition: New
Sight Mounting Orientation: Top Mounted
Sight Position: Front
Gun Model: M4
Gun Make: AR Platform
Front Sight Color: Black
Rear Sight Color: Front Sight Only
Front Post Shape: Post
Deployable: No
Fabric/Material: Hardened Aircraft Aluminum, Stainless Steel
Front Material: Aluminum
Blade Height: 1.36 in
Rear Blade Height: 1.36 in
Front Blade Height: 1.36 in
Illumination Type: Non-Illuminated
Gun Type: Rifle
Illumination Color: None
Hand: Ambidextrous
Mount Type: Picatinny
Attachment Type: Picatinny
Finish: Mil-Spec HardCoat Anodized
Country of Origin: USA

Features of Troy M4 Front Fixed BattleSight Top Mounted Iron Sight

  • Sight can be moved or taken off without permanent modification to the firearm
  • Snag-free apertures at factory height
  • Machined from hardened Aircraft Aluminum with stainless steel components and finished in MILSPEC hardcoat anodizing
  • Sight is designed to work on same-plane rail systems only
  • Will not work with a railed gas block that is higher or lower than the receiver
  • Front sight must be mounted at the same height plane as the rear sight
  • Railed gas blocks that are lower than receiver height will not zero properly

Package Contents:

  • Troy M4 Front Fixed BattleSight Top Mounted Iron Sight

Troy M4 Front Fixed BattleSight Top Mounted Iron Sight Orderable Models

List of Orderable Models

  • Troy M4 Front Fixed BattleSight Top Mounted Iron Sight, Black, SSIG-FBS-FMBT-02 , MPN: SSIG-FBS-FMBT-02 , UPC: 812699015353 , Code: OY-IRN-SIGHTBATTM4-75266

Troy M4 Front Fixed BattleSight Top Mounted Iron Sight Unavailable & Discontinued Models

List of Unorderable Models

  • Troy M4 Front Fixed Battle Sight, Flat Dark Earth, 75269 , MPN: SSIG-FBS-FMFT-02 , UPC: 812699015360 , Code: OY-IRN-SIGHTBATTM4-75269
  • USED, Troy M4 Top Mounted Fixed Front Sight, Black, SSIG-FBS-FMBT-02 , MPN: SSIG-FBS-FMBT-02-EDEMO , Code: OY-IRN-SIGHTBATTM4-75266-EDEMO-RE-B
  • Troy M4 Iron Sight, Black, SSIG-FBS-FMBT-03 , MPN: SSIG-FBS-FMBT-03 , UPC: 812699015377 , Code: OY-IRN-SIGHTBATTM4-75267
  • Troy M4 Iron Sight, Flat Dark Earth, SSIG-FBS-FMFT-03 , MPN: SSIG-FBS-FMFT-03 , UPC: 812699015384 , Code: OY-IRN-SIGHTBATTM4-75270
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