---
title: "Kill Flash for Holosun HS403B"
subtitle: "Custom Anti-Reflection Device for Holosun HS403B"
sku: "850052274719"
price: 24.99
priceCurrency: USD
availability: InStock
url: https://leftsidearmory.com/shop/kill-flash-for-holosun-hs403b/
category: "Optics"
productLine: "KillFlash"
updated: 2026-08-13T22:01:20.229Z
---

# Kill Flash for Holosun HS403B

**Custom Anti-Reflection Device for Holosun HS403B**

Snap this Kill Flash onto your Holosun HS403B and eliminate distracting glare and reflections. Whether you’re on the range or in the field, you’ll stay concealed and focused, with no sunlight giving away your position. Designed for a secure, custom fit and all-day reliability.

## At a glance

| | |
|---|---|
| Price | $24.99 |
| Availability | In stock |
| SKU | 850052274719 |
| Category | Optics (https://leftsidearmory.com/shop/optics/) |
| Product line | KillFlash (https://leftsidearmory.com/shop/killflash/) |
| Product page | https://leftsidearmory.com/shop/kill-flash-for-holosun-hs403b/ |

## Specifications

| Spec | Value |
|---|---|
| Weight | 1.7 g |
| Width | 1.25 inches |
| Height | 0.3 inches |
| Compatibility | Holosun HS403B |

## Buying

- Order online: https://leftsidearmory.com/shop/kill-flash-for-holosun-hs403b/
- Shipping — Standard: $9.95, free on orders over $20.00, est. 5 days transit
- Shipping — Priority: $15.00, est. 2 days transit
- Returns: within 30 days of purchase, by mail, in original packaging; customer pays return shipping.
- Questions: hello@leftsidearmory.com

---

Left Side Armory — American-made outdoor accessories and AR-15 components built in Michigan. Lifetime warranty.
Full catalog index: https://leftsidearmory.com/llms.txt