Vector Optics SCRA-57 45° 21mm Picatinny Mount – practically classified
Optics are only as good as their interface.
The Vector Optics SCRA-57 45° 21mm Picatinny Mount is a mounting or adapter part for Vector Optics setups where mounting height, footprint, and rail must fit together perfectly.
This is precisely where most errors occur in practice: wrong footprint, wrong height, wrong rail – and in the end, the aim or point of impact is off.
Why this product?
✔ Check interface carefully by SKU, footprint, and rail
✔ Observe Picatinny/Weaver, 11 mm Dovetail or specific adapter logic
✔ Mounting height determines head position and sight picture
✔ Always check fit and point of impact after mounting
Key Features
- Check interface carefully by SKU, footprint, and rail
- Observe Picatinny/Weaver, 11 mm Dovetail or specific adapter logic
- Mounting height determines head position and sight picture
- Always check fit and point of impact after mounting
- Useful for Red Dot, scope, riser, or adapter setups
- Not a universal part for every system – compatibility is a must
Our Assessment
Our assessment: This product does not solve an abstract accessory problem, but a concrete setup problem. If the interface is correct, your system will be faster, cleaner, and more repeatable. If it's not, you'll buy twice.
Instructor's Tip: Read the interface first, then buy.
Check three things: What rail does your weapon have? What footprint does your sight have? What mounting height do you need for your aiming position? Only if these three points match is the mount useful.
Suitable For
Suitable for: Suitable for sport shooters and hunters who want to set up Red Dot, optics or accessories cleanly.
Not suitable for: Not suitable if footprint, mounting height or rail interface do not clearly match the existing setup.
Features & Operation
- Do not confuse footprints like TEK, MOJ, MGT, VOD or RUM
- 11 mm Dovetail is not Picatinny
- Low mount for flat systems, high/riser mount for AR-like aiming positions
- Tighten screws evenly and check after the first shots
Technical Data – Explained Clearly
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Length: 35 mm
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Weight: 30 g
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Material: 6061-T6 Aluminum (manufacturer's specification)
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Rail: 21 mm Picatinny
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Slots: 3
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Angle: 45°
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Practical benefit: Interface, mounting height, and footprint must match the sight and the weapon – otherwise, the aiming position and sight picture will be off
Scope of Delivery
- 1× Vector Optics SCRA-57 45° Picatinny Mount
Note:
Always check compatibility, mounting, secure fit, and function before use. For optics or point of impact relevant parts, fire a control series after each mounting. Vector Optics is a strong budget to mid-range solution for civilian applications – not to be classified as uncompromising authority/duty equipment.
FAQ
What is this mount used for?
It creates the mechanical interface between the weapon, rail, red dot, or accessory. Footprint, mounting height, and mounting interface are crucial.
What is the difference between Picatinny, Weaver, and 11 mm Dovetail?
Picatinny/Weaver are 21 mm rails for many sport and hunting setups. 11 mm Dovetail is often used for air rifles, .22 LR systems, and certain hunting/sporting weapons.
Why is mounting height important?
The mounting height determines your head position and whether you can quickly get a clear sight picture. Too high or too low costs speed and comfort.
Do I need to fire a control shot after mounting?
Yes. Any change to the mount or optics should be confirmed with a point of impact check.
Is the mount universal?
No. Footprint, rail, and device must match. Always check SKU, interface, and compatibility before purchasing.
Especially with Vector Optics, the correct classification determines the benefit: don't choose by data sheet alone, but by use, mounting, target distance, and real application.
