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ERATAC Folding Sight – Picatinny Rear Sight

199.13 € 179.90 €
No permit required (18+)
72479 Straßberg, Germany
11
ID: 9894013
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About the seller
Black Raptor
Dealer

Details

Original language
German
Category
Condition
New
Location
🇩🇪 72479 Straßberg, Germany
Availability
In stock

Freshness

This listing is based on a mirrored offer, where the listing data was synced to us from a shop, dealer, or external marketplace. Please note that temporary price discrepancies may occur due to possible delays in data transmission.
Source
Black Raptor
Last updated
about 9 hours ago

Description

Note: The item is located abroad. Please note that delivery conditions, shipping times, and/or the purchase process may differ.
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ERATAC folding rear sight – rear Folding Rear Sight for mechanical backup sights

A front sight alone is not a backup solution – the rear sight controls elevation/windage.
ERATAC folding rear sight is a foldable rear ERATAC Rear Sight for Picatinny rails and mechanical backup sights.

This product is not a replacement for a properly mounted main sight but a mechanical backup. The rear sight, combined with a matching front sight, forms the actual emergency sight; alone it does not replace a complete sight set. It is crucial that sight line, mounting position, and main optic match.


Important note for classification:
Backup sights only work properly if front and rear sight match and are mounted on the same reference plane. Before purchase check: Picatinny rail, existing main optic, required front sight width, straight or offset use, folding clearance, and whether your optic blocks the mechanical sight line.



What makes this product technically special:
✔ Foldable design: stays flat when the main optic is used and is ready as a backup when needed.
✔ Mechanical sight solution: works independently of battery, electronics, or glass breakage.
✔ Picatinny interface: allows mounting on compatible rails without a special base.
✔ HK-style/backup logic: familiar sight pictures for users with mechanical training.
✔ Variants: standard version – choice determines front sight width, orientation, and usage logic.


Why this product?

Mechanical backup sights are not a decorative item. They exist because red dot, scope, or mount can fail, be blocked, or be unusable at short range. The benefit only arises if the sight is adjusted and trained beforehand.



Backup to main optic: mechanical aiming remains possible when electronics or glass are unusable.

Foldable: stays out of view until needed.

Picatinny-compatible: fits many modern weapon platforms with continuous rail.

Training value: forces clean sight picture and trigger control.



Trainer tip: backup sight must be zeroed
Many mount backup sights and never check them. That is dangerously deceptive. A mechanical backup must be zeroed or confirmed just like an optic. Fold the sight up consciously during training and shoot defined groups. Only then do you know if elevation, windage, and sight picture really match. For offset variants, also train the changed cheek weld. Switching to 45° feels different under time pressure than on the bench.


Our assessment

This ERATAC sight is useful for setups where the main optic should not be the only aiming option. Especially on range, service sport, AR, and hunting/tracking setups, a mechanical backup can be sensible. It is less useful if the weapon has no suitable rail or the sight is permanently blocked by optic/mount.

Useful for:

AR platforms with continuous Picatinny rail
Range and training weapons with red dot or LPVO
Nu
tzer, who consciously train mechanical backup aiming
Setups where electronics should not be the only aiming option


Less useful for:

Weapons without a suitable rail
Users who don’t want to zero backup sights
Setups where optics or mounts block folding
Purely hunting stalking rifles without need for mechanical backup



Direct classification:
✔ ERATAC folding rear sight: robust mechanical backup as a complementary system to the main optic.
✔ Main optic only: faster and simpler, but without mechanical fallback.
The sight is only worthwhile if mounted, zeroed, and trained.


Application scenarios




Range / Training: simulate main optic failure and practice mechanical aiming.

AR setup: plan backup sight under or beside red dot/LPVO.

Service sport: mechanical aiming as a controllable fallback mode.

Hunting special cases: backup for rough use, tracking, or dense cover.



Practical tip: check folding clearance before mounting
Arrange the main optic, magnifier, caps, and mounts so the sight can really fold up. A blocked backup sight is dead weight. For short rails, position the main optic correctly first, then check if backup sights still fit sensibly.


Features & construction




Product type: folding rear sight – complements the main optic as mechanical backup.

Mounting base: Picatinny – requires a suitable rail on the same reference plane.

Variants: standard version – determines front sight width, design, and use logic.

Folding mechanism: reduces height when not in use.

System limit: only useful if zeroed and mounted within reach.


Technical data




Brand: ERATAC / Recknagel – accessories and sights made in Germany.

Product type: folding rear sight – mechanical backup sight.

Interface: Picatinny – rail and sight height must match.

Variants: standard version.

Manufacturer / article numbers: standard: T0544-0355.


Scope of delivery



1x ERATAC folding rear sight in chosen variant



Not included:
No main optic, no Picatinny rail, no mounting tools, and no complete sight set if the chosen version is only a single front sight or rear sight.


FAQ



Does the sight fit every Picatinny rail?
It needs a suitable Picatinny rail and enough space to fold. Optics, magnifiers, or mounts must not block function.



Does a backup sight need to be zeroed?
Yes. A mechanical backup must be checked and zeroed after mounting.



What is the difference between emergency and offset sights?
An emergency sight sits classically on the top rail. An offset sight is laterally displaced and used by canting the weapon.



Which front sight width is sensible?
Narrower front sights cover less target and can be more precise. Wider front sights are often faster to see. The choice depends on distance and training.



For whom is the product not useful?
For users who don’t train their backup sight or don’t have a free Picatinny interface with a matching sight line.


Conclusion: ERATAC folding rear sight is useful if you want a real mechanical backup and are willing to zero it. Without training and a suitable mounting position, even a good backup sight remains an unused part. (Show description in original language)
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BLACK RAPTOR KAUFBERATUNG
ERATAC Klappvisier – Folding Rear Sight
Klappbares ERATAC Hintervisier für Picatinny-Schienen. Es ist als mechanische Rückvisierung gedacht und benötigt für ein vollständiges Visierbild ein passendes Korn – es ist kein komplettes Visier-Set.

Passt das zu deinem Setup?


Passt gut, wenn …
du ein klappbares mechanisches Hintervisier für eine Picatinny-Schiene suchst
du bereits ein kompatibles Front Sight/Korn einplanst
eine niedrige, einklappbare Backup-Visierung in dein Setup passt



Passt eher nicht, wenn …
du ein vollständiges Vorder-/Hintervisier-Set erwartest
keine passende Picatinny-Montagefläche vorhanden ist
Visierlinie und Front-Sight-Höhe nicht zusammenpassen



Was du praktisch davon hast


Backup statt Hauptoptik Das Klappvisier kann als mechanische Reservevisierung dienen, wenn dein Setup ein passendes Korn umfasst.

Einklappbar Die Visierung lässt sich bei Nichtgebrauch flachlegen und beansprucht dadurch weniger Bauraum im Optik-Setup.

AR15-Visierlinie ERATAC beschreibt die Notvisierung mit der Höhe einer Standard-AR15-Visierung. Entscheidend ist trotzdem, dass Vorder- und Hintervisier zueinander passen.

Zwei Lochblenden Die ERATAC-Systembeschreibung nennt zwei Ghost Rings mit 5 mm und 1,7 mm auf derselben Ebene – für unterschiedliche Ziel-/Lichtsituationen.

Grenzen, Nachteile & Fehlkauf vermeiden

Kein Komplettset: SKU T0544-0355 ist das Klappvisier hinten . Ein Front Sight/Korn gehört nicht automatisch dazu. Vor Bestellung außerdem prüfen, dass auf der Waffe genug Picatinny-Fläche und eine passende Visierlinie vorhanden sind.
Sichere Anwendung
Nach Montage festen Sitz und freie Klappbewegung prüfen. Vor Nutzung die Visierung auf der konkreten Waffe einschießen und die Funktion zusammen mit dem gewählten Front Sight verifizieren.
Technische Daten – mit Praxisdeutung

Produkttyp
Klappbares Hintervisier / Rear Sight
Schnittstelle
Picatinny
Herstellerkennung
T0544-0355
Visieröffnungen
zwei Ghost Rings: 5 mm und 1,7 mm laut ERATAC
Einsatz
mechanische Backup-/Notvisierung in Kombination mit passendem Front Sight
Praxisdeutung
Die Rückvisierung allein erzeugt kein vollständiges Visierbild; Front Sight und Höhe müssen systemisch zusammenpassen.

Variantenwahl & Kompatibilität
Dieses Produkt hat keine Kornbreiten-Variante: T0544-0355 ist das Hintervisier. Die Kornbreite betrifft die separat erhältlichen Front Sights beziehungsweise kompletten Sets.
Lieferumfang
1× ERATAC Klappvisier / Folding Rear Sight, T0544-0355
FAQ
Ist ein Korn enthalten? Nein. Dieses Produkt ist das Hintervisier. Ein passendes Front Sight muss separat vorhanden sein oder als Set gewählt werden. Ist das Klappvisier HK-Style? Die HK-Style-Unterscheidung betrifft bei ERATAC das Front Sight. T0544-0355 ist das Hintervisier. Passt es auf Weaver? Die Herstellerangabe bezieht sich auf Picatinny. Für abweichende Schienenprofile sollte die Passung nicht pauschal angenommen werden. Kann es unter einem Zielfernrohr bleiben? Das hängt vom freien Bauraum und der konkreten Optik-/Montagekombination ab. Vorher Höhe und Platz auf der Schiene prüfen.
BLACK RAPTOR Einordnung Eine sinnvolle Backup-Komponente, wenn das restliche Visier-Setup bereits klar ist. Der entscheidende Punkt ist, sie nicht mit einem vollständigen Notvisier-Set zu verwechseln.

Passende ERATAC-Systemteile



ERATAC 45° Offset-Montage für eine modulare Sekundäroptik

ERATAC Picatinny-Aufsätze für die UNIVERSAL-Schnittstelle

ERATAC-Systemübersicht für weitere Montagen und Adapter

Kompatibilität vor Bestellung prüfen: Verlinkte Teile sind Systemergänzungen, aber nicht automatisch mit jeder Variante dieses Artikels kombinierbar. SKU, Schnittstelle, Maße und Freigängigkeit müssen zusammenpassen.

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