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![AR15 Front Sight Thumb Fastener Package AR15 Front Sight Thumb Fastener Package](https://outdoorsportsusa.com/image/cache/catalog/demo/RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT/RS002H+ARFT+FSP-%20(1)-1000x1000.jpg)
![AR15 Front Sight Thumb Fastener Package AR15 Front Sight Thumb Fastener Package](https://outdoorsportsusa.com/image/cache/catalog/demo/RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT/RS002H+ARFT+FSP-%20(2)-1000x1000.jpg)
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![AR15 Front Sight Thumb Fastener Package AR15 Front Sight Thumb Fastener Package](https://outdoorsportsusa.com/image/cache/catalog/demo/RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT/RS002H+ARFT+FSP-%20(1)-800x800.jpg)
![AR15 Front Sight Thumb Fastener Package AR15 Front Sight Thumb Fastener Package](https://outdoorsportsusa.com/image/cache/catalog/demo/RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT/RS002H+ARFT+FSP-%20(2)-800x800.jpg)
![AR15 Front Sight Thumb Fastener Package AR15 Front Sight Thumb Fastener Package](https://outdoorsportsusa.com/image/cache/catalog/demo/RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT/RS002H+ARFT+FSP-%20(4)-800x800.jpg)
- Stock: In Stock
- Model: RS002H+FSP+FSP-1+FSP-2+FSP-3+ARFT
AR-15 Front Sight Thumb Fastener Specification
Picatinny/Weaver-Style Rails, Thumb Nut with Locking
Retention
Designed to Use with Handguard Rails or High-Profile Gas
Block
Precision Elevation Adjustments to Enhance Shooting Accuracy
Front Sight Post A2
Mil-Spec
Four Notch Base
Length: 0.75"
Finish: Matte Black
Includes Spring and Plunger
Front Sight Post .033mm
Four Notch Base
Ball Diameter: 0.033mm
Length: 0.8125"
Finish: Matte Black
Includes Spring and Plunger
Front Sight Post .052mm
Four Notch Base
Ball Diameter: 0.052mm
Length: 0.8125"
Finish: Matte Black
Includes Spring and Plunger
Front Sight Post .071
Four Notch Base
Ball Diameter: 0.071mm
Length: 0.8125"
Finish: Matte Black
Includes Spring and Plunger
AR-15 Steel Front Sight Adjustment
High Quality Steel Construction
Adjust Elevation of Either 4-Prong Or 5-Prong A1/A2 Front
Sight Post
Knurled for Slip Resistant Grip