AR-15 A2 Rear Sight Base Spring Pin UR‑06 – Premium Mil‑Spec ReplacementAR-15 A2 Rear Sight Base Spring Pin (UR‑06) – UPC 859992007838
Upgrade your AR‑15’s sighting system with the AR‑15 A2 rear sight base spring pin (model UR‑06). Designed to meet rigorous mil‑spec standards, this precision‑engineered pin delivers a rock‑solid fit for the A2 rear sight base, ensuring consistent alignment and dependable performance under the toughest conditions.
Why Choose the UR‑06 Spring Pin?
- Mil‑Spec Strength: Forged from high‑tensile, heat‑treated steel for maximum durability.
- Corrosion‑Resistant Finish: Black phosphate coating protects against rust, moisture, and harsh environments.
- Exact Fit: CNC‑machined to OEM dimensions for a seamless installation without the need for modifications.
- Easy Installation: Pre‑loaded spring tension provides a secure lock‑in, reducing the need for additional tools.
- Universal Compatibility: Fits all standard AR‑15 platforms equipped with the A2 rear sight base.
Key Features & Specifications
| Specification | Detail |
|---|
| Part Number | UR‑06 |
| UPC | 859992007838 |
| Material | High‑strength carbon steel, black phosphate finish |
| Dimensions | Length: 0.250 in (6.35 mm) – Diameter: 0.058 in (1.47 mm) |
| Spring Type | Self‑retaining compression spring |
| Compatibility | All AR‑15 rifles with A2 rear sight base |
| Finish | Phosphate anti‑corrosion coating |
| Compliance | Meets or exceeds NATO/US military specifications |
Installation Guide
- Ensure the rifle is unloaded and the safety is engaged.
- Remove the existing rear sight base pin using a small punch or pin puller.
- Insert the UR‑06 spring pin into the rear sight base’s pin hole. The built‑in spring will automatically expand to lock the pin in place.
- Verify the rear sight base is firmly seated and moves smoothly with the adjustment knobs.
- Reassemble the rifle and conduct a function check to confirm proper operation.
Benefits for the Tactical Shooter
When it comes to precision shooting, every component counts. The AR‑15 A2 rear sight base spring pin provides:
- Zero Drift: The spring tension eliminates any micro‑movement, keeping your zero consistent shot after shot.
- Enhanced Durability: With a corrosion‑resistant finish, the pin maintains its integrity in wet, sandy, or humid environments.
- Rapid Field Service: The self‑locking design speeds up maintenance and reduces downtime during competition or tactical operations.
Frequently Asked Questions
Is the UR‑06 compatible with aftermarket A2 sight bases?
Yes. The UR‑06 conforms to the standard A2 pin dimensions used by both OEM and reputable aftermarket manufacturers.
Do I need any special tools to install this pin?
No. The spring‑loaded design allows for tool‑free installation. A small pin punch can be used to remove an existing pin if needed.
Will the phosphate coating wear off over time?
The black phosphate coating is engineered to resist wear and corrosion for the lifetime of the part under normal use conditions.
Can this pin be used on AR‑15 rifles with a flat‑top receiver?
The UR‑06 is intended for the standard A2 rear sight base, which is typically mounted on a mil‑spec lower receiver. It is not compatible with flat‑top upper receivers that lack an A2 base.
Package Contents
- 1 x AR‑15 A2 Rear Sight Base Spring Pin (UR‑06, UPC 859992007838)
- Installation instructions (digital PDF link available upon purchase)
Why Buy From Us?
Our commitment to quality means you receive a product that meets exacting military specifications, backed by a 100% satisfaction guarantee. Each UR‑06 pin undergoes rigorous inspection to ensure flawless performance on your firearm.
Upgrade your sight system today with the reliable, high‑performance AR‑15 A2 rear sight base spring pin. Experience the difference that precision engineering makes on every shot.
Keywords: AR‑15 rear sight base spring pin, A2 rear sight base, UR‑06, mil‑spec rifle parts, high‑strength steel, corrosion‑resistant, easy installation, tactical shooting accessories.
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