Milbro HD551 Airgun/Airsoft Scope

£49.95

Dual red and green reticle with 10 brightness settings for any light
Fits both 9-11mm airgun dovetails and 17-21mm airsoft/Picatinny rails
Anti-glare coated lens for a clear, high-contrast sight picture
Shockproof aluminium body stands up to spring-gun recoil
Automatic power-off after around 2 hours to save battery life
Windage and elevation adjustable for a quick, repeatable zero
Rubber lens cover included to protect the optic in transit

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We do not have this one in store, but we can get it. Order today and we can have it for you in 5 to 7 days.

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In-House Repair Workshop in Rochester Kent

Kent's Only Authorised 5.11 Tactical Retailer

UKARA Registered Retailer

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Description
Specification

Fast target acquisition, day or night

The Milbro HD551 is a 1x holo-style reflex sight built for quick, both-eyes-open shooting. A switchable red and green reticle with 10 brightness levels lets you pick a crisp aiming point in bright daylight or fading evening light, and the anti-glare coated lens keeps the sight picture clear and high in contrast.

Fits airguns and airsoft alike

Integrated mounts grip both 9-11mm airgun dovetail rails and 17-21mm airsoft, Weaver and Picatinny rails, so the HD551 drops straight onto most air rifles, air pistols, airsoft guns and even crossbows with no extra adaptor needed.

Built to take a knock

The housing is machined from strong aluminium and is shockproof and weather resistant, so it copes with the reverse recoil of spring-piston air rifles as well as everyday skirmishing. Windage and elevation are fully adjustable for a fast, repeatable zero.

Sensible everyday details

An automatic power-off kicks in after roughly two hours to protect the 4 x AG13/LR44 batteries, and a rubber lens cover is included to shield the optic in your bag or case. At around 199g it adds minimal weight to your setup.

A great first optic

Affordable, versatile and easy to set up, the HD551 is an ideal entry-level dot sight for plinking, target practice and skirmish use. Browse more airgun gear and airsoft accessories at Platoon Stores.

Product information reviewed by James Smith. Every gun is checked & serviced by our Rochester workshop before dispatch.

General
Brand	Milbro
Dimensions
Weight	199 g
Other
Type	1x holographic-style red/green dot sight
Adjustment	Windage and elevation
Auto power-off	After approximately 2 hours
Body material	Aluminium
Dimensions	10.5 x 5 x 6.2 cm
Reticle colours	Red and green
Brightness levels	10
Airgun mount	9-11mm dovetail
Airsoft mount	17-21mm Weaver/Picatinny
Batteries	4 x AG13 / LR44 button cells
Lens	Anti-glare coated
Included	Rubber lens cover

Recommended upgrades & accessories

Frequently asked questions

Will the Milbro HD551 fit my air rifle?

Yes. It has integrated mounts for both 9-11mm airgun dovetail rails and 17-21mm airsoft, Weaver and Picatinny rails, so it fits most air rifles, air pistols, airsoft guns and even crossbows without an adaptor.

Does it come with batteries?

It runs on 4 x AG13/LR44 button cells. Battery inclusion can vary between batches, so check on arrival. Spares are inexpensive and widely available.

Can I use it on a springer with heavy recoil?

Yes. The aluminium housing is shockproof and built to handle the sharp reverse recoil of spring-piston air rifles as well as airsoft use.

What is the difference between the red and green reticle?

Green stands out better in bright daylight and against dark backgrounds, while red is easier on the eye in low light. Ten brightness levels let you fine-tune either colour.

Does it magnify the target?

No. It is a 1x reflex sight designed for fast, both-eyes-open aiming at close to medium range, not magnified long-range shooting.

Milbro HD551 Airgun/Airsoft Scope