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Ar-15 Front Sight Bench Block
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$54.76
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SKU: 080000252
Overview
Built for bench work on mil-spec AR-15 rifles and carbines, this polyethylene support block helps hold the front sight assembly steady during installation and removal. Its two marked working sides guide pin direction for driving mounting pins in or out, while also accommodating the sling swivel and providing a place for gas tube roll pin removal. The compact, precision-machined block is intended for organized shop use when front sight service is part of the job.
Why Hunters Choose the Brownells
Two Working
Sides support both front sight
Precision-machined Clearly
Marked for driving mounting pins
Fits Mil-spec
AR-15 rifles and carbines for
Accommodates Sling
Swivel during front sight service
Includes Provisions
For removing the gas tube
Key Features
- Supports installation and removal of the front sight assembly on mil-spec AR-15 rifles and carbines.
- Two working sides are clearly marked for driving mounting pins in or out.
- Precision-machined polyethylene block provides fitted support during front sight work.
- Accommodates the sling swivel during front sight assembly service.
- Includes provisions for removing the gas tube roll pin.
- Orange polyethylene construction measures 4 inches in diameter and 1-11/16 inches high.
Best Used For
- Installing or removing front sight assemblies on mil-spec AR-15 rifles and carbines
- Users needing fitted support for driving mounting pins in or out
- Workshops handling sling swivel and gas tube roll pin removal tasks
- Armorers or hobbyists wanting a clearly marked bench block for front sight work
Specifications
| Color | Orange |
|---|---|
| Compatibility | Mil-spec AR-15 rifles and carbines |
| Diameter | 4 in (10.2 cm) |
| Front Sight Assembly Support | Yes |
| Gas Tube Roll Pin Removal Provision | Yes |
| Height | 1-11/16 in (4.3 cm) |
| Material | Polyethylene |
| Mounting Pin Direction Markings | IN and OUT |
| Sling Swivel Accommodation | Yes |
| Working Sides | 2 |
Pros
- Two working sides support both front sight installation and removal tasks
- Precision-machined and clearly marked for driving mounting pins in or out
- Fits mil-spec AR-15 rifles and carbines for front sight assembly work
- Accommodates the sling swivel during front sight service
- Includes provisions for removing the gas tube roll pin
Considerations & Trade-offs
- Designed specifically for mil-spec AR-15 rifles and carbines, so it may not suit other front sight or gas system configurations.
- Its purpose is support during installation and removal, not a general-purpose bench block for broader gunsmithing tasks.
- The block is polyethylene, which is practical for the job but not intended to replace metal tooling where higher rigidity is needed.
- It is sized for front sight work and related pin removal, so users needing multi-platform coverage may still need additional fixtures.
Suggested Comparisons
- AR-15 armorer's bench blocks
- Front sight installation and removal tools
- AR-15 maintenance and assembly tools
- Gas tube pin removal tools
Suggested Accessories
- Punch set
- Bench vise
- Gunsmithing hammer
- AR-15 armorer tools
Frequently Asked Questions
What is this bench block used for?
It is designed to provide fitted support for installing and removing the front sight assembly on mil-spec AR-15 rifles and carbines.
How do the two working sides help during use?
The block is clearly marked on both sides for driving the mounting pins either "IN" or "OUT" of the sight, which supports both installation and removal work.
Does it accommodate the sling swivel?
Yes. The product description states that it accommodates the sling swivel.
Can it be used for the gas tube roll pin?
Yes. It includes provisions for removing the gas tube roll pin.
What are the listed material and size details?
The block is listed as polyethylene, orange, and measures 4" (10.2 cm) in diameter by 1-11/16" (4.3 cm) high.